| 单词 | volcanic rock |
| 例句 | Her hair was black and glossy as volcanic rock, woven in a single braid down her back. The Son of Neptune 2011-10-04T00:00:00Z That was the tiny island with the black volcanic rocks, a wildlife preserve with beaches. Genuine Fraud 2017-09-05T00:00:00Z His nose was as porous and dark as volcanic rock. Grendel 1971-01-01T00:00:00Z They had eyes like volcanic rock, glassy and completely black. The Titan's Curse 2007-05-11T00:00:00Z The beach was strewn with jagged volcanic rock. The Battle of the Labyrinth 2008-05-06T00:00:00Z “These are volcanic rock,” he said in his best encyclopedic voice. Educated 2018-02-20T00:00:00Z The light brightened and instead of ice, or smooth stone, the walls had the porous texture of volcanic rock. Healer of the Water Monster 2021-05-11T00:00:00Z Apparently she walked away while making hummingbird food — which is essentially just sugar water — and somehow turned it into this monstrosity that looks more like volcanic rock. Don't toss that burnt pan! Here's how to clean it 2022-01-02T05:00:00Z Some artifacts had been reduced to shards found buried just yards below the surface; others were discovered intact, protected by the volcanic rock from which Etruscan tombs were often carved. The Kylix Marvel: Why Experts Distrust the Story of an Ancient Cup’s Rebirth 2023-04-19T04:00:00Z Most of the resorts are on Long Beach and Ong Lang Beach on the island’s west side, which is indented with hidden coves buffered by black volcanic rock. Overnighter: In Bustling Vietnam, a Rare and (still untrammeled) Escape 2012-01-13T17:53:11Z The serving vessel is a stout three-legged molcajete carved from black volcanic rock. In Queens, Fiery Aguachile Lives in a Yellow Submarine 2021-10-18T04:00:00Z The spray travels through a small opening in volcanic rock and falls 240 feet. Want to get away from the crowds this Fourth of July? Consider a quick trip to Canada’s low-key Wells Gray Provincial Park. 2019-06-28T04:00:00Z His gestured the chopping and mixing, saying preparation requires a molcajete, a Mexican mortar and pestle made from volcanic rock. Mexican actor Bichir's killer guacamole 2012-02-23T18:22:13Z Ms. Ray’s sculptures, made from aluminum, chain and volcanic rocks, among other materials, dangle from above. At the Armory Show, Solo Exhibitions and Colossal Displays 2019-03-07T05:00:00Z Covering your garden beds with red volcanic rock looks ugly and weird. 15 Really Dumb Gardening Mistakes 2010-03-18T00:06:00Z As a reward for my exertions, I decided to check out the various therapies on the menu at the renovated early-20th-century spa, Termas do Carapacho, choosing a hot stone massage with — what else? — volcanic rocks. The Azores: An untamed island paradise only a few hours by air from North America 2015-12-14T05:00:00Z Cabanas are made with old telephone poles and railroad ties, while volcanic rocks used in villa construction absorb heat from the sun and keep interiors cool, minimizing the need for air-conditioning. 2010-01-28T08:50:00Z Set in a 17th-century volcanic rock manor house once used for winemaking, the White’s lobby and terrace opens to dramatic views of the Atlantic Ocean. Hotel Review: Sleek Minimalism in the Azores 2018-12-07T05:00:00Z No stranger to diamonds and gold, she is also known for incorporating unexpected stones and minerals, such as hemimorphite, jet,chrysocolla, and volcanic rock, often mixing several in a single necklace or bracelet. Inside The Glamorous New York City Penthouse Of Kara And Stephen Ross 2015-02-03T05:00:00Z Like most trails in the Columbia Gorge, both feature waterfalls plunging through volcanic rock chutes. Gorge town is crossroads for Pacific Crest Trail and new cycling link 2014-05-22T04:00:00Z The repetitive formations on a volcanic rock wall are curiously meditative, like a graphite rendering of an artist’s mandala. Icelandic magic: One U.S. couple's excursions, on view at Photo L.A. 2017-01-14T05:00:00Z We threaded our way through a narrow valley covered with ice, volcanic rocks and small, ash-covered piles of snow. Forged by Volcanoes, Kamchatka Offers Majestic, Magnetic Wilds 2019-10-07T04:00:00Z There is Josiah Wedgwood’s 1770 black stoneware teapot, “designed to imitate basalt,” the volcanic rock widely admired in Pompeii’s ruins by Europeans taking the Grand Tour. Museum Review: Shelburne Museum Is Opening a New Visitors Center 2013-08-16T22:18:25Z Walk around volcanic rocks perforated with holes caused by uneven cooling and erosion. Pick Mojave National Preserve over Joshua Tree: Twice the size, a quarter the visitors, all the beauty 2020-01-15T05:00:00Z Travelers flying into Kona International Airport are greeted by a grim panorama: scorched earth and black, volcanic rock stretching from the sea to the mountains. 36 Hours in Kailua-Kona 2018-12-06T05:00:00Z In Savennières, the vineyards are largely schist, sandstone and rhyolite, a volcanic rock. For Savennières, Age Comes With Benefits 2017-11-24T05:00:00Z Splashing through mud-filled divots and fields of purple lupine flowers, we passed sheep perched on the volcanic rocks that litter the landscape. Want to Explore Iceland? An Airline Has a Buddy Who Can Help 2016-10-22T04:00:00Z As you climb, the tree canopy thins and then disappears until you emerge on a vast plateau of scrubland scattered with Mars-red chunks of volcanic rock. Why Hiking Beats Surfing on Réunion Island (Hint: Sharks!) 2019-12-23T05:00:00Z In addition, this was no gradual ascent but a rigorous uphill slog over volcanic rocks, tree roots and mud. In Bali, hiking a volcano to greet the sun 2020-03-12T04:00:00Z Weight is an issue, and the plants are growing in a purpose-made light mixture of sand, compost, humus and volcanic rock. Can container gardening wipe out urban food deserts? These folks think so. 2015-09-08T04:00:00Z The landscape is stunning — black volcanic rock covered in moss. What a Trip: In Iceland, falling in love with the ponies, and the purity It’s a point-to-point run over volcanic rock, up and down some fairly big hills, across glaciers and rivers, with occasional blasts of steam rising from the geothermal systems in the ground. Ten low-key European ultramarathon races 2015-12-17T05:00:00Z Each vine must be trained low on the volcanic rock and protected from the extremely windy conditions. 20 Wines Under $20: The Savory Side of Rosé 2017-06-22T04:00:00Z Haunted by “a sense of impending violence,” Wyld’s “wondrous and disturbing” third novel is set on the eastern shore of Scotland near the island of volcanic rock from which it takes its title. New in Paperback: ‘The Bass Rock’ and ‘The Lost Pianos of Siberia’ 2021-08-20T04:00:00Z Something similar happened a short time later when we neared a cluster of large volcanic rocks sprouting ferns. Rapa Nui Is Remote. And Then There’s Its Isolated North Coast 2016-11-09T05:00:00Z We just went into a wilderness south of Mexico City and it was just full of volcanic rock everywhere around. New sculpture comes crashing into the Hirshhorn’s outdoor main entrance 2016-09-01T04:00:00Z The Danish artist Frederik Nystrup-Larsen’s best known piece is a textured concrete vase that looks like it was carved from coral or volcanic rock. Artist to Know: the Danish Sculptor Making Objects for Noma 2018-06-13T04:00:00Z The duo offered to help; their first project, a 150-bed hospital in Butaro, Rwanda, was constructed entirely by local workers using regional materials like volcanic rock. AD Innovator: Mass Design Group 2014-09-15T04:00:00Z My girlfriend, Steffi, and I spent much of that evening sitting under the stars, drinking Brugal rum and listening to heavy waves slam against the jagged volcanic rock that makes up much of the coastline. Explorer: Kiteboarding in the Dominican Republic 2010-12-04T05:01:00Z His light-filled public buildings, made of exposed concrete hammered or chiseled to suggest Mexico’s volcanic rock, draw visitors through a sequence of open spaces on different levels. Teodoro González de León, Evocative Mexican Architect, Dies at 90 2016-09-22T04:00:00Z They were quarried and skillfully carved out of a porous volcanic rock called toba, beginning around A.D. Rapa Nui Is Remote. And Then There’s Its Isolated North Coast 2016-11-09T05:00:00Z NW at Western Trail, Albuquerque 505-899-0205 nps.gov/petr/index.htm Three trails explore petroglyphs left by ancestral Puebloans and the Spanish on volcanic rocks on the western side of Albuquerque. A monumental journey through New Mexico 2021-06-17T04:00:00Z We spent our last morning in the north hiking the jagged Dimmuborgir lava field near our cabin with its castle-like volcanic rock formations — occupied by trolls, according to signage — before leaving Lake Myvatn. Driving Iceland’s Overlooked North 2022-06-03T04:00:00Z A third answer is that having a guide discourages, to some extent, on-the-spot guides plus touts selling trinkets like bracelets made from volcanic rock. In Bali, hiking a volcano to greet the sun 2020-03-12T04:00:00Z A speck of volcanic rock in the South Atlantic some 1,200 miles west of the African coast, this British Overseas Territory is reachable by a five-day ship journey. 52 Places to Go in 2016 2016-01-07T05:00:00Z Chilean police ended the protest, and now the hotel is open for business, with 75 rooms built of volcanic rock and a lobby that resembles a Polynesian canoe. T Magazine: Heritage Foundations 2012-09-18T15:19:59Z Just a couple of miles off the coast sits the stunning, steep island of volcanic rock from which the novel takes its title. Women on the Scottish Coast, at the Whims of Male Violence 2020-09-09T04:00:00Z Réunion, a former French colony that became an overseas department in 1960, is a speck of volcanic rock 400 miles off the coast of Madagascar. Why Hiking Beats Surfing on Réunion Island (Hint: Sharks!) 2019-12-23T05:00:00Z Flat swaths of black volcanic rock dominate the journey from the airport to the city. ?l?f Arnalds: 'I don't want geysers in my videos' 2010-09-16T21:45:00Z A good chunk of it lies within the 750,000-acre Craters of the Moon National Monument and Preserve — a Martian landscape of jagged volcanic rock and hidden crags known to swallow sheep whole. Cultured Traveler: Herding Sheep in Basque Country (Idaho) 2012-08-24T19:19:51Z Activities also include digging for volcanic rock and abalone, conch and other seashells at a table of black sand that’s reminiscent of beaches on Maui. 9 Things to Do With Your Kids in N.Y.C. This Weekend 2018-07-05T04:00:00Z But this is also a landscape of wondrous beauty, a “mound of volcanic rock half-carved by glaciers, full of lush green forests and sweeping sandy beaches.” Off the Coast of Los Angeles, a Father and Daughter Fight to Survive 2020-01-07T05:00:00Z On more a scramble than a hike, we hauled ourselves carefully along pinnacles of volcanic rock as enormous ocean swells filled and drained the gullies with a noisy intensity. On This Caribbean Island, It Doesn’t Take Long to Feel Local 2016-07-11T04:00:00Z He still hikes into the wilderness to find volcanic rocks, gnarled burls, and the like. AD Chats with Alma Allen About His First Solo Gallery Show 2015-02-16T05:00:00Z This is a 3D model of a tiny 430-million-year-old crustacean, found preserved in ancient volcanic rock. Echidnas, snails and scary plants... species named after Sir David Attenborough 2023-11-10T05:00:00Z Asimow said that if their conclusions are correct some volcanic rocks that reach Earth's surface may provide samples of a vanished planet. Relics of huge primordial collision reside in Earth's deep interior 2023-11-01T04:00:00Z Adding crushed volcanic rock to cropland could play a key role in removing carbon from the air. Adding crushed rock to farmland pulls carbon out of the air 2023-10-24T04:00:00Z Two sculptures are massive chunks of black obsidian, a glassy volcanic rock formed deep underground and a material found at many Mesoamerican archaeological sites. Review: Blockbuster beauty and epic disaster intertwine in Julian Charrière's art 2023-10-20T04:00:00Z Standing on an outcrop of volcanic rock, Joshua Chenoweth looks across the languid waters of California’s Iron Gate Reservoir and imagines the transformation in store for the landscape. Historic dam removal poses challenge of restoring both river and landscape 2023-10-18T04:00:00Z The builders would gather volcanic rocks left behind after eruptions to mix into their concrete. How are ancient Roman and Mayan buildings still standing? Scientists are unlocking their secrets 2023-10-02T04:00:00Z There are two main rock types on the Moon's surface – dark volcanic rock and the brighter highland rock. Chandrayaan-3’s measurements of sulfur open the doors for lunar science and exploration 2023-09-24T04:00:00Z Rain captures carbon dioxide from the air as it falls and reacts with volcanic rock to lock up carbon. Adding crushed rock to farmland pulls carbon out of the air 2023-10-24T04:00:00Z Now, by dating minerals in the mine’s volcanic rock, scientists think they may have finally pieced together the process that created the deposit around 1.3 billion years ago. Pink Diamonds Erupted to Earth’s Surface after Early Supercontinent’s Breakup 2023-09-19T04:00:00Z While lines are buried in many parts of the country, Greer said that the volcanic rock on Maui makes that a challenge. Maui Evacuation Alert Shows Limits of a Warning System Dependent on Cellphones 2023-09-03T04:00:00Z At the garden’s heart sits a fountain of black volcanic rock: a stand-in for Sagittarius A*, the supermassive black hole at the center of the galaxy. This space artist changed the way we see the universe 2023-07-26T04:00:00Z This process explains why sulfur is primarily associated with the Moon's dark volcanic rocks. Chandrayaan-3’s measurements of sulfur open the doors for lunar science and exploration 2023-09-24T04:00:00Z Historical accounts and studies of ancient volcanic rocks show that times of volcanic repose transition into loud seismic and eruptive awakenings in a cycle that’s transpired several times in the past few millennia. Iceland has entered a new volcanic era 2023-07-24T04:00:00Z At Argyle, this eruption likely occurred at a beach, where sand and seawater interacted with volcanic rock called lamproite. Pink Diamonds Erupted to Earth’s Surface after Early Supercontinent’s Breakup 2023-09-19T04:00:00Z That suggested the volcanic rocks inside the seamount were also rich in water, trapped by an impermeable cap, the team concluded. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z On the Big Island, volcanic rock pebbles crunched underfoot as Lomberg wandered down a curving hedgerow marked “Orion arm” to a leaf adorned with a plastic jewel that represents our solar system. This space artist changed the way we see the universe 2023-07-26T04:00:00Z Unlike New Jersey, Hawaii is built from volcanic rock, which has relatively high permeability. Found: Giant Freshwater Deposits Hiding under the Sea 2023-06-17T04:00:00Z Those elements frequent the same volcanic rocks as rare earth minerals and are often incorporated into their crystal structures. Major U.S. geological survey aims to uncover minerals critical for batteries and microchips 2023-06-01T04:00:00Z To determine when the eruption occurred, the team sliced two thin sections of Argyle’s volcanic rock and polished them down to a minuscule width. Pink Diamonds Erupted to Earth’s Surface after Early Supercontinent’s Breakup 2023-09-19T04:00:00Z Along the distant shore, where the Victoria Range jutted out of McMurdo Sound, the only color came from black volcanic rock and the atmosphere's pallid blue arc. Astrophysics and stale beer: What life is like working at the South Pole 2023-05-29T04:00:00Z Dela Cruz led me up steep, slippery trails and into three deep caves that the Japanese carved out of the volcanic rock. This city was ravaged in WWII. Why do few remember the suffering and sacrifice? 2023-05-29T04:00:00Z It was carved from volcanic rock sometime between 800-400 BC during the heyday of the Olmec civilization, one of Mexico’s earliest complex societies with sites mostly clustered around the country’s Gulf coast. Back in Mexico, 'Earth Monster' sculpture points to ancient beliefs 2023-05-27T04:00:00Z Geochemical tracers from the cores hint that deposits deeper in the dome were formed from carbonatites—the unusual volcanic rocks associated with the world’s best rare earth deposits. Major U.S. geological survey aims to uncover minerals critical for batteries and microchips 2023-06-01T04:00:00Z For millennia volcanic rocks and cliffs have been removing carbon slowly while weathering in the rain. Can ‘enhanced rock weathering’ help combat climate change? 2023-05-20T04:00:00Z Concentric circular trenches, some as much as 60 feet deep, had been carved into the volcanic rock of the mountaintop, bringing to mind a pre-Columbian earthwork. Courting the Sirens of the Southern Sky 2023-04-18T04:00:00Z “He’s like, ‘Have you heard of lava dams, where volcanic rocks and lava creates a dam and reroutes the river?’” How sci-fi writer Annalee Newitz turned to real-life scientists to build a (better) future 2023-03-09T05:00:00Z Flesh-footed shearwaters naturally swallow pumice, a lightweight and porous volcanic rock, that helps the birds digest their food. Birds are eating too much of our plastic 2023-03-08T05:00:00Z The field is large, he says: It contains some 60 billion cubic meters of hydrogen, or about 5 million tons, trapped under expansive horizontal sills of ancient volcanic rock. Hidden hydrogen: Earth may hold vast stores of a renewable, carbon-free fuel 2023-02-15T05:00:00Z It's a hard volcanic rock that is neither rare nor particularly remarkable. Can ‘enhanced rock weathering’ help combat climate change? 2023-05-20T04:00:00Z TOKOROA, New Zealand — George Moss walks through a landscape dotted with grassy knobs of volcanic rock, following a herd of cows meandering along a dirt trail to pasture after their second milking of the day. How New Zealand plans to tackle climate change: Taxing cow burps At Makalawena Beach on the western coast of Hawaii, you can trek among volcanic rock and admire the brilliant blue waters. Escape (or embrace) the Big Dark: 5 travel ideas for winter in WA 2023-01-06T05:00:00Z The color of their house resembles the area’s volcanic rock, so as not to alter the landscape. French-born artist finds inspiration on remote Easter Island 2023-01-01T05:00:00Z Embedded in grass and volcanic rock, almost 400 moai – the monolithic human figures carved centuries ago by this remote Pacific island’s Rapanui people — remained untouched until recently. Easter Island rebounds from wildfire that singed its statues 2022-12-16T05:00:00Z Embedded in grass and volcanic rock, almost 400 moai – the monolithic human figures carved centuries ago by this remote Pacific island’s Rapanui people — remained untouched until recently. Easter Island rebounds from wildfire that singed its statues 2022-12-16T05:00:00Z How quickly that happened is unknown, but that’s something that might be revealed by the volcanic rocks in the crater. Mars rover digs up intriguing clues in the hunt for life beyond Earth 2022-11-23T05:00:00Z This has enabled some unorthodox abodes: Some residents have built houses with composting toilets, walls made out of volcanic rock, and frames made out of straw bale. The Cochise County groundwater wars 2022-10-26T04:00:00Z Chen says it is unlikely that the upper layer contains intact lava flows, because it has a smaller ability to hold an electric charge than would be expected for intact volcanic rocks. China’s Mars Rover Finds Hints of Catastrophic Floods 2022-09-28T04:00:00Z Some of the volcanic rocks are thought to have been laid down before the delta, and some may have come after, so they could provide time bounds on the watery episode that created it. Mars rover nears milestone in ambitious plan to to return first rocks from another planet 2022-09-20T04:00:00Z Rescuers say the mountain, whose surface is covered with mounds of volcanic rocks mixed with snow and ice, is particularly hazardous to climbers due to its altitude and the risk of volcanic eruption. Three survivors rescued after nine die climbing icy Russian volcano 2022-09-06T04:00:00Z The volcanic rocks are not a disappointment, though, because they preserve loads of information about the Martian past, including the presence of organic molecules, scientists said. Mars rover digs up intriguing clues in the hunt for life beyond Earth 2022-11-23T05:00:00Z Rescuers warn that the mountain, made up mounds of volcanic rocks mixed with snow and ice, is considered particularly hazardous to climbers due to its altitude and the risk of volcanic eruption. Six die climbing Russian volcano as icy winds delay rescue 2022-09-04T04:00:00Z It is typically about 6 kilometers thick and is composed of volcanic rocks called basalt. Astronomy 2016-10-13T00:00:00Z The volcanic rocks might even hold signs of ancient life. Mars rover nears milestone in ambitious plan to to return first rocks from another planet 2022-09-20T04:00:00Z The utility worries fuel may travel through the aquifer’s porous volcanic rock from the area around the Navy’s well to its own wells, which could poison Honolulu’s own water supply. Honolulu utility finds chemical in Red Hill monitoring well 2022-08-04T04:00:00Z This contributes to a long standing technical inquiry into the source of Iceland’s mysteriously low levels of oxygen-18, an isotope often found in volcanic rock. Reaching Closer to Earth’s Core, One Lava Scoop at a Time 2022-07-22T04:00:00Z Most of British Columbia is made up of terranes that include sedimentary rocks with fossils that imply an origin south of the equator, or volcanic rocks with magnetic orientations that indicate a southern-hemisphere origin. Physical Geology 2015-01-01T00:00:00Z The type of volcanic rock with common vesicles is called scoria. An Introduction to Geology 2017-01-01T00:00:00Z Also not going anywhere are the shore’s volcanic rocks, like giant pumice stones, that gave the work space of the artist Kehinde Wiley its name: Black Rock Senegal. At Dakar’s Biennale, the City Itself Is the Most Colorful Canvas 2022-06-01T04:00:00Z Historic Environment Scotland manages the city centre park, including the kilometre-long path set high in the volcanic rock of Salisbury Crags. Sky walkway proposal for Edinburgh's Radical Road 2022-05-06T04:00:00Z The $2.7 billion rover landed on Mars in February 2021, studying volcanic rocks on the crater floor for a year before trundling to the delta, which ends in a cliff face at the crater’s rim. News at a glance: A Mars rover’s trek, a collider’s restart, and a funder’s apology 2022-04-27T04:00:00Z The buff-coloured bands are volcanic rock, which is not soluble. Physical Geology 2015-01-01T00:00:00Z Lava domes are accumulations of silica-rich volcanic rock, such as rhyolite and obsidian. An Introduction to Geology 2017-01-01T00:00:00Z After more than an hour looking for Petra blossoms on steep mountainsides, I came across a dark violet flower with black spots blooming between volcanic rocks. In Jordan, a quest for the country’s resilient national flower 2022-04-22T04:00:00Z Seeping through the same volcanic rock, the only reliable freshwater source on the Hawaiian island of O'ahu, contamination of the Southern O'ahu Basal Aquifer was perhaps inevitable. A military fuel leak in Oahu that poisoned the water supply is the tipping point for Hawaiians 2022-03-24T04:00:00Z This month, a volcanic rock split in two in Nikko National Park, about 100 miles north of Tokyo. A ‘Killing Stone’ Broke in Japan. Is a Demon on the Loose? 2022-03-18T04:00:00Z Explain why fractures are common in volcanic rocks. Physical Geology 2015-01-01T00:00:00Z The most basic sedimentary structure is bedding planes, the planes that separate the layers or strata in sedimentary and some volcanic rocks. An Introduction to Geology 2017-01-01T00:00:00Z That’s a welcome finding, as dates gleaned from the volcanic rocks could reveal when the later flood of water filled the crater. Mars rover wraps survey of Jezero crater’s surprising volcanic floor 2022-03-09T05:00:00Z This dark volcanic rock, which looks like glass, was plentiful. World History: Patterns of Interaction 2012-01-01T00:00:00Z Throughout the night, the men held blankets above the women and children to protect them from the ash and small volcanic rocks that were pelting down. Uncertain future for islanders who survived Tongan eruption 2022-02-23T05:00:00Z Examples would be granite, gneiss, volcanic rock, and sedimentary rock that has not been folded. Physical Geology 2015-01-01T00:00:00Z The two main types of basaltic volcanic rock have Hawaiian names—pahoehoe and aa. An Introduction to Geology 2017-01-01T00:00:00Z Data gathered from spacecraft in orbit around Mars already hinted that Jezero crater contained volcanic rocks. Mars rover wraps survey of Jezero crater’s surprising volcanic floor 2022-03-09T05:00:00Z Their presence, plus the mysterious purple varnishes, makes these volcanic rocks unexpectedly tantalizing targets. What We Learned from the Perseverance Rover’s First Year on Mars 2022-02-17T05:00:00Z The thinking now is that the Jezero crater floor is the same olivine-rich volcanic rock that orbiting spacecraft have observed in the region. On Mars, a NASA Rover and Helicopter’s Year of Surprise and Discovery 2022-02-15T05:00:00Z Except within a few kilometres of a ridge crest, where the volcanic rock is still relatively young, most parts of the sea floor are covered in sediments. Physical Geology 2015-01-01T00:00:00Z The term pseudo in this context means ‘false’ or ‘in the appearance of’, a volcanic rock called tachylite because the material observed looks like volcanic rock, but is produced by significant shear heating. An Introduction to Geology 2017-01-01T00:00:00Z These volcanic rocks promise an eventual bonanza once the samples are returned to Earth in a mission later this decade, because their formation can be dated from the radioactively decaying elements they contain. Mars rover wraps survey of Jezero crater’s surprising volcanic floor 2022-03-09T05:00:00Z But if you find a pot you like that doesn’t have holes, you can add a layer of volcanic rock. How to repot houseplants without killing them 2022-02-09T05:00:00Z A: Pumice is a very lightweight volcanic rock that is often used to increase aeration and drainage in potting mixes. Garden Q&A: How to remove invasive grass, compost cardboard and more 2022-01-06T05:00:00Z The volcanic rock that hosts the deposits is formed in the same area and at the same general time as the accumulation of the ore minerals. Physical Geology 2015-01-01T00:00:00Z Beachgoers are advised to avoid going into the water in that area, near Morro Rock, the landmark volcanic rock that towers over the water, for the next three days, she added. Man Killed in Apparent Shark Attack Off California, the Authorities Say 2021-12-25T05:00:00Z On a volcanic rock just off the coast of Antarctica, McMurdo Station is abuzz with scientific research this time of year. High-speed internet could be coming to Antarctica 2021-11-23T05:00:00Z Placing detectors around dozens more volcanoes, and subjecting volcanic rocks to muons in laboratories, will improve the technique’s precision as it vies for mainstream use. How Do You See Inside a Volcano? Try a Storm of Cosmic Particles. 2021-11-10T05:00:00Z The scientists chose Cyprus to develop the instrument because it can be tested on pockets of the east Mediterranean island nation’s volcanic rock and soil that are similar to those found on Mars. Cyprus aims for Mars with X-Ray rock dating instrument 2021-10-21T04:00:00Z Zeolites are silicate minerals that typically form during low-grade metamorphism of volcanic rocks. Physical Geology 2015-01-01T00:00:00Z The wind could blow volcanic rocks far around the mountain, posing a threat along with ash, an official from the agency, Ozaki Tomoaki, told reporters. Volcano on Japan island erupts, sending smoke and ash miles high into the sky 2021-10-20T04:00:00Z The dearth of knowledge is perhaps most pronounced when it comes to what scientists call the hydrogeology of the groundwater basin –– how exactly water moves through the volcanic rock below the ground. In clashes over cannabis, race, and water, hard data is scarce 2021-08-31T04:00:00Z The scientists focused on minerals known as smectites, a kind of clay whose chemical composition is closer to volcanic rock than to other types of clay. Buried ‘Lakes’ on Mars May Just Be Frozen Clay 2021-08-02T04:00:00Z McMurdo Station is the main U.S. outpost in Antarctica, built on an outcropping of rugged volcanic rock. Space Has Better Internet than Antarctica, But that Might Change 2021-07-19T04:00:00Z By studying magnetism in volcanic rocks that have been dated isotopically, geologists have been able to delineate the chronology of magnetic field reversals going back for some 250 Ma. Physical Geology 2015-01-01T00:00:00Z Commercial sealing was once the lifeblood of St. George, a treeless speck of volcanic rock far from the U.S. mainland. On an Alaskan island, a mayor fights for fur seals - and a new future 2021-07-12T04:00:00Z The unseen landscape Gooch and his colleagues study is a jigsaw puzzle of volcanic rock that makes up a third of the valley and lies directly under the region's wells and cannabis farms. In clashes over cannabis, race, and water, hard data is scarce 2021-08-31T04:00:00Z At the center of those 13 miles are La Bocana and El Sunzal, two top surfing spots known collectively as El Tunco after the distinctive volcanic rocks just a few feet off the beach. El Salvador is riding the waves as global surfing's newest mecca 2021-06-04T04:00:00Z Napoleon wanted to be remembered as a "fallen emperor who died thousands of kilometres from France on a small volcanic rock," Charliquart said. Before death in exile, Napoleon fought to save his legacy 2021-04-29T04:00:00Z Fracturing is particularly common in volcanic rock, which shrinks as it cools. Physical Geology 2015-01-01T00:00:00Z Many Apache have ancestors buried under the volcanic rock. Arizona mining fight pits economy, EVs against conservation, culture 2021-04-19T04:00:00Z The scientists also saw rocks with holes with them, which might be volcanic rocks that trapped bubbles of gas in them as they cooled. Get ready for the first flight of NASA’s Mars helicopter 2021-03-23T04:00:00Z Using this biological source of seismicity, they found they could see 8,200 feet below the seafloor, through sediments and the underlying volcanic rock. Whale Songs Could Reveal Deep Secrets Beneath the Oceans 2021-02-11T05:00:00Z Bigger boulders in the distance look like ancient volcanic rocks: dark and coated by a light-colored dust. After dramatic landing, Mars rover will probe ancient lake for clues to planet’s wet past 2021-02-23T05:00:00Z Some volcanic rock has a special type of porosity related to vesicles, and some limestone has extra porosity related to cavities within fossils. Physical Geology 2015-01-01T00:00:00Z “One of the possibilities for those holes is that they are called vesicles, which would be due to gas escape from a volcanic rock,” said Kenneth Williford, the deputy project scientist. Watch Video From NASA’s Perseverance Rover Landing on Mars 2021-02-22T05:00:00Z Dark volcanic rocks tumble toward the brilliant white sandy beach ringing the shore. Why are people so dang obsessed with Mars? 2021-02-09T05:00:00Z Based on where the fossils were excavated relative to volcanic rock of a known age, the researchers estimated that the skeletons were at least 47 million years old. Pythons Slithered Through Europe Before Coiling Around the World 2020-12-20T05:00:00Z Sampling such a volcanic rock would “provide a critical anchor to the timing of events we are looking at,” says Ken Farley, the mission’s project scientist and a geologist at the California Institute of Technology. After dramatic landing, Mars rover will probe ancient lake for clues to planet’s wet past 2021-02-23T05:00:00Z Of the consolidated rocks, well-fractured volcanic rocks and limestone that has cavernous openings produced by dissolution have the highest potential porosity, while intrusive igneous and metamorphic rocks, which formed under great pressure, have the lowest. Physical Geology 2015-01-01T00:00:00Z But Dalton says other explanations are possible—for example, ancient volcanic rocks, uplifted out of the ocean to form fresh mountain peaks in places like Indonesia, might have started to soak up more CO2. Slowdown in plate tectonics may have led to Earth’s ice sheets 2020-12-22T05:00:00Z Now, scientists studying craters on the moon believe magma continued to erupt and flow in some regions until much more recently, erasing signs of some ancient craters and leaving behind younger volcanic rock. China's new moon mission returns the first lunar samples since 1976 2020-12-16T05:00:00Z If there is little thorium, “scientists will need to rethink how this young volcanic rock was created,” Dr. Xiao said. China Launches Moon Mission to Bring Back Lunar Rocks 2020-11-23T05:00:00Z In the central garden, for instance, there are now concrete pavers that mimic the color and texture of the dark volcanic rock called recinto, quarried in the city’s lava fields, that Barragán often used. Working in Luis Barragán’s Shadow 2020-11-13T05:00:00Z Fractured igneous and metamorphic rocks, and especially fractured volcanic rocks, can be highly permeable, as can limestone that has been dissolved along fractures and bedding planes to create solutional openings. Physical Geology 2015-01-01T00:00:00Z Earlier this year, an elaborate 2,000-year-old "volcano map" was discovered carved into a large volcanic rock in Colima. 19th-century Maya slave ship wreck discovered off Mexico 2020-09-20T04:00:00Z A specialist in the chemistry of volcanic rocks, he began his career dating the terrain surrounding the skeleton known as Lucy, the famed human ancestor discovered in Ethiopia. A secret hidden in centuries-old mud reveals a new way to save polluted rivers 2020-08-18T04:00:00Z Its 91 square kilometres of uninhabited volcanic rock rise from the South Atlantic, 3,200km east of South America and 1,700 miles west of Cape Town. Should we cull one species to save another? 2020-06-28T04:00:00Z Mission scientists also hope to find outcrops of older volcanic rocks that sit below the delta mudstones, marking an eruption that occurred before the water arrived. NASA’s new rover will collect martian rocks—and clues to planet’s ancient climate 2020-06-25T04:00:00Z These high-temperature feldspars are likely to be found only in volcanic rocks because intrusive igneous rocks cool slowly enough to low temperatures for the feldspars to change into one of the lower-temperature forms. Physical Geology 2015-01-01T00:00:00Z Petroglyph National Monument features designs and symbols carved onto volcanic rocks by Native Americans and Spanish settlers 400 to 700 years ago. Vandalism up at New Mexico’s Petroglyph National Monument 2020-05-12T04:00:00Z The ax shows that humans lived there before the eruption because it was found buried beneath the volcanic rocks. Is an Aboriginal tale of an ancient volcano the oldest story ever told? 2020-02-11T05:00:00Z His team experimented with crystals of olivine, a green mineral commonly found in volcanic rock. Volcanoes on Venus Might Still Be Smoking 2020-01-09T05:00:00Z Some of the sand grains, eroded from volcanic rocks, will contain radioactive isotopes that make it possible to date them. NASA’s new rover will collect martian rocks—and clues to planet’s ancient climate 2020-06-25T04:00:00Z The textures of volcanic rocks will be discussed in Chapter 4, so here we’ll only look at the different textures of intrusive igneous rocks. Physical Geology 2015-01-01T00:00:00Z The sandstone containing the tracks was sandwiched in between layers of volcanic rock, revealing a picture of a functioning ecosystem that survived despite threats of devastation from further eruptions. 'Karoo firewalkers': Dinosaurs braved South Africa's land of lava 2020-01-29T05:00:00Z The researchers say he was killed in the volcano’s first pyroclastic surge, which made the town reach temperatures of 968 degrees Fahrenheit, but wasn’t buried until later waves of crushed volcanic rock flowed through Herculaneum. Mount Vesuvius eruption was so hot it turned one victim’s brain into glass, researchers say 2020-01-23T05:00:00Z The team reported another surprise: the discovery of pumices – lumps of volcanic rock that they say were probably collected by Neanderthals from the beach. Neanderthals dived for shells to make tools, research suggests 2020-01-15T05:00:00Z To verify Venutian volcanism, researchers experimented with crystals of olivine, a mineral found in a volcanic rock. Venus may be the only other planet with active volcanoes 2020-01-04T05:00:00Z Canada has a great deal of volcanic rock, but most of it is old, some of it billions of years old. Physical Geology 2015-01-01T00:00:00Z Tall peaks of snow-patched volcanic rock jut out from the North Atlantic Ocean. At the Edge of the World, a New Battleground for the U.S. and China 2019-12-20T05:00:00Z The team first analyzed ancient volcanic rock in the Ethiopian Highlands along with huge river sediment deposits under the Nile Delta. Nile millions of years older than previously thought, study says 2019-11-18T05:00:00Z That’s what we typically see in the volcanic rocks called kimberlites that transport their trove of diamond gemstones to the surface and host the world’s richest diamond mines. Why Carbon? 2019-10-22T04:00:00Z All three now live in a two-room shack in a rough part of town where dirt and volcanic rock serve as the floors of most homes. The forgotten trauma of a forgotten war 2019-10-12T04:00:00Z The name “Rainbow” refers to the bright colours displayed by some of the volcanic rocks as they weather. Physical Geology 2015-01-01T00:00:00Z Rare volcanic rocks known as kimberlites are produced from magmas that originate in Earth’s mantle and then erupt onto the planet’s surface. Enigmatic origin of diamond-bearing rocks revealed 2019-09-24T04:00:00Z Kolasinski was blown away by nature’s contrasts there - black volcanic rock covered in white guano; red and green iguanas, “and six colors of turquoise you can’t even name.” Houston Zoo plans improvements, preps for 2022 centennial 2019-09-03T04:00:00Z There’s a giant volcanic rock ‘raft’ floating in the ocean. Remnants of a supernova were found in Antarctic snow. The space dust could be 20 million years old. 2019-08-27T04:00:00Z Large "rafts" of the volcanic rock are more likely to form when a volcano is located in more shallow waters, say experts. Giant volcanic rock 'raft' found in Pacific Ocean 2019-08-26T04:00:00Z Why are the viscosity and gas content of a magma important in determining the type of volcanic rocks that will be formed when that magma is extruded? Physical Geology 2015-01-01T00:00:00Z The research, published in the scientific journal Nature, also shows the distant planet’s surface is likely to resemble the barren exterior of the Earth’s moon or Mercury, possibly covered in dark volcanic rock. Space telescope offers rare glimpse of Earth-sized rocky exoplanet 2019-08-19T04:00:00Z The planet is believed to be covered in basalt, or volcanic rock. NASA glimpses surface of distant rocky exoplanet 2019-08-19T04:00:00Z The Giant's Causeway is a famous landmark in Northern Ireland where volcanic rock formed to look like thousands interlocking columns. British Open 2019: The story of the black-and-white print Nike golf shirt - Golf Digest 2019-07-19T04:00:00Z The basaltic fragments, similar to most of the Earth’s volcanic rock, are the remains of the moon’s volcanic past, with studies showing evidence of eruptions up until 1.5 billion to 2 billion years ago. Apollo moon rocks shed new light on Earth's volcanoes 2019-07-17T04:00:00Z With the exception of volcanic rocks and some sedimentary rocks, most rocks are formed at some depth within the crust. Physical Geology 2015-01-01T00:00:00Z But in 2005, a different team of scientists dated volcanic rocks from above a similar cap at a different location—in China’s Guizhou Province. Ancient ‘Snowball Earth’ thawed out in a flash 2019-04-02T04:00:00Z From the New York and Providence mountain ranges, rain and snowmelt wend down through porous ground, skirting less permeable volcanic rock on its way. A massive aquifer lies beneath the Mojave Desert. Could it help solve California’s water problem? 2019-03-03T05:00:00Z Everywhere the rover looked, it was basalt — volcanic rock. Photos From the Opportunity Rover’s Mission on Mars 2019-02-14T05:00:00Z And indeed, we've found rare occurrences of garnets in all sorts of volcanic rocks. The Astonishing Origin of Garnets in Rhyolite 2019-02-03T05:00:00Z The volcanic rock making up these islands gets progressively younger toward the southeast, culminating with the island of Hawaii itself, which consists of rock that is almost all younger than 1 Ma. Physical Geology 2015-01-01T00:00:00Z To do that, scientists would need to find datable volcanic rocks from other parts of the world, which are about “as common as unicorns,” she jokes. Ancient ‘Snowball Earth’ thawed out in a flash 2019-04-02T04:00:00Z And there was no guarantee of success: The land was hard, and the best location for the well was high up on the black volcanic rock. From Arizona to Yemen: The Journey of an American Bomb 2018-12-11T05:00:00Z Those particles in turn resembled volcanic rocks from Iceland. Why 536 was ‘the worst year to be alive’ 2018-11-15T05:00:00Z The pieces - a basalt fragment, similar to most of the Earth’s volcanic rock, and bits of surface debris known as regolith - are being sold by an unidentified private American collector who purchased them in 1993. Soviet-era moon fragments could reach $1 million at N.Y. auction 2018-10-30T04:00:00Z Residents of other nearby towns say the airport project requires so much basalt and another reddish volcanic rock that mines are altering their landscape. Public will decide future of Mexico’s $13 billion airport 2018-10-25T04:00:00Z The collection, which launches this fall, is replete with ancient iconography: A polished aluminum table lamp is shaped like a stepped pyramid; a console, carved from pitch-black marble and volcanic rock, references a Mayan altar. 6 Rising Design Studios From Central and South America to Know 2018-09-12T04:00:00Z And Hong Kong is geologically suited to the endeavor: Its granite and volcanic rock are up to five times as strong as concrete. In Hong Kong, Humankind Moves Back Into Caves 2018-09-19T04:00:00Z Now we see people beginning to perform practical experiments, like melting volcanic rocks to see what would happen, and poking active lava flows with sticks to test viscosity. A Brief History of How We Figured Out How Lava Happens: Melting the Earth 2018-09-01T04:00:00Z The site of the burial ground, known as “Lothagam North,” is positioned at the western edge of Lake Turkana amid towering ridges of volcanic rock and canyons of red and orange sandstone. This ancient burial ground tells a story of unity in a time of climate chaos 2018-08-21T04:00:00Z The volcanic rock sports various hues of red and orange, creating the feeling that the habitat exists on another world. To train for Mars, head to Hawaii 2018-08-10T04:00:00Z But his latest obsession is combarbalita, a mottled red volcanic rock found exclusively in arid Central Chile. 6 Rising Design Studios From Central and South America to Know 2018-09-12T04:00:00Z Rusting Syrian and Israeli tanks from the 1970s lie among the volcanic rocks and grassy hills. Syria civil war nears Israel border, brings possible Iran military presence 2018-07-10T04:00:00Z It began in 1991, pouring into the streets, igniting homes, and burying everything in a layer of thick volcanic rock. Latest eruption a disaster for Hawaiian town's lava tourism 2018-05-09T04:00:00Z The Puna district is a region of mostly unpaved roads of volcanic rock about a 30-minute drive from the coastal town of Hilo. Despite risks, volcano offers affordable piece of paradise 2018-05-08T04:00:00Z By looking at volcanic rock and ash, or tephra, lying miles away from the volcano, scientists surmised that an explosive eruption sent material flying through the air roughly 1,000 to 1,600 years ago. These Are the Biggest Dangers From Hawaii's Erupting Volcano 2018-05-04T04:00:00Z Syrian homes built from the black volcanic rock, long abandoned, dot the landscape, as do minefields – a reminder of a history of conflicts many Israelis hoped they had left behind. The Syrian airbase at the heart of a potential Israel-Iran war 2018-05-01T04:00:00Z It's dominated by sedimentary rocks that built up gradually, rather than volcanic rocks that provide a precise time marker. Colombian scientists race to study once-forbidden territory before it is lost to development—or new conflict 2018-04-26T04:00:00Z Geometric columns are seen in a variety of volcanic rocks across the Earth and are known to form as the rock cools and contracts, resulting in a regular array of polygonal prisms or columns. Scientists solve mystery of how Giant's Causeway was formed 2018-04-12T04:00:00Z The northern region is coated with volcanic rocks, she notes, meaning it may be the first region to break up. Why This Giant Crack Opened Up In Kenya 2018-04-02T04:00:00Z The volcanic rock was brought in as a raw material, and then turned into the sharp-edged chips. Stone tools from Kenya give early glimpse of human behavior 2018-03-15T04:00:00Z At both sites, they found a sparse sprinkling of cryptotephra, microscopic particles of glassy volcanic rock. How ancient humans survived global ‘volcanic winter’ from massive eruption 2018-03-12T04:00:00Z “We had whole roofs blow off, plus enormous shipping and rebuilding costs, and the costs associated with building on volcanic rock.” Shredded roofs, shattered lives: Storms smash Virgin Islands’ middle class 2018-02-06T05:00:00Z The north magnetic pole replaced the south, and vice versa, an event recorded in volcanic rocks across the globe. How the planet’s poles keep trading places 2018-01-29T05:00:00Z Nine civilians were injured by volcanic rocks, while seven people—six soldiers and one civilian skier—were hit by an avalanche, according to fire department and defense officials. Fiery Philippine Volcano Mount Mayon Forces 40,000 People to Evacuate 2018-01-23T05:00:00Z At least 12 skiers were injured when they became trapped by the avalanche or were hit by falling volcanic rocks from Mount Kusatsu-Shirane, according to local media. Japan: avalanche engulfs skiers after volcano erupts at ski resort 2018-01-22T05:00:00Z Nine civilians were injured by volcanic rocks, while seven people - six soldiers and one civilian skier - were hit by an avalanche, according to fire department and defense officials. At least 16 hurt in volcano eruption near Japan ski resort 2018-01-23T05:00:00Z The slide is occurring in a rumpled layer cake of volcanic rock, or basalt, laid down by eruptions that began about 17 million years ago, interspersed with thin deposits of silt and other sediments. Watching a Ridge Slide in Slow Motion, a Town Braces for Disaster 2018-01-21T05:00:00Z The site was volcanic rock, capped with 150,000 cubic yards of sand as a base for bent-grass fairways and greens. Ranking: World's 100 Greatest Golf Courses - Golf Digest 2018-01-11T05:00:00Z One thing that all six of us agreed on was that the endless stretch of volcanic rock made us miss the vibrant colors of living nature all the more. My Year on "Mars" 2018-01-02T05:00:00Z They made the discovery while exploring volcanic rocks on the island, including at a site just south of Broadford. Prehistoric Skye meteorite impact found 2017-12-14T05:00:00Z A rest house at the resort was hit by volcanic rocks, but the extent of damage was not known, resort official Yasuaki Morita said. At least 16 hurt in volcano eruption near Japan ski resort 2018-01-23T05:00:00Z The place was vast, with a few hiking paths cleared between the young pines and outcroppings of volcanic rock. Into the woods: how online urban legend Slender Man inspired children to kill 2017-12-07T05:00:00Z Cold lava, or lahar, has been rushing off the mountain here in Selat for the past two days bringing with it volcanic rocks and fertile soil. Bali on alert as feared and revered volcano rumbles 2017-11-28T05:00:00Z They had left only the hard core of volcanic rock behind, a high isle that becomes accessible at low tide. Lessons in Stillness From One of the Quietest Places on Earth 2017-11-08T05:00:00Z The Birkbeck geologists, who published their discovery in Geology this week, were looking for ancient volcanic rock when their attention was drawn to something unexpected. Prehistoric Skye meteorite impact found 2017-12-14T05:00:00Z Old Providence is a tiny fleck of volcanic rock in the Caribbean, once settled by Puritans, pirates and African slaves and now home to just 5,000 people. New film shines light on tiny Colombian island where English is the mother tongue 2017-11-09T05:00:00Z In Goma, a Congolese city just across the border with Rwanda, plastic litter is everywhere, made even more visible because the earth there is made of black, volcanic rock. A vigilant Rwanda is winning the war on plastic bags 2017-11-03T04:00:00Z Then, in 1960, a group of rock climbers visited another small volcanic rock island nearby, named Ball's Pyramid. Huge 'Tree Lobster' Not Extinct After All 2017-10-09T04:00:00Z You’ll need at least three days to explore the area, to take in everything from its one-of-a-kind landscape to a horseback riding trip over the sand dunes to the volcanic rock formations. The 11 Best Places to Travel in November 2017-10-06T04:00:00Z Formed by an unusual underwater ridge of volcanic rock, the “pond” is backed by a gorgeous crescent of sand. Discover Kauai’s hidden gems | Provided By Timbers Kauai 2017-09-18T04:00:00Z Iwo Jima is a small volcanic rock 700 miles from Japan. It Was Necessary to Use Nukes Against Japan--But North Korea is More Complicated 2017-08-09T04:00:00Z They've set up shop with a giant drill that extends high into the sky and then plunges into a field of volcanic rock that has sat largely untouched for centuries. A Solution to Our Clean Energy Problem May Lie Right Beneath Our Feet 2017-07-25T04:00:00Z In the mix of seawater and heat, hydrothermal minerals formed within the volcanic rock. Iceland drilling project aims to unearth how islands form 2017-07-20T04:00:00Z Jackson is attempting to recreate this durable concrete using San Francisco seawater and more abundant volcanic rocks. Ancient Romans made world’s ‘most durable’ concrete. We might use it to stop rising seas. 2017-07-04T04:00:00Z One is the lack of suitable volcanic rocks. Scientists explain ancient Rome's long-lasting concrete - BBC News 2017-07-04T04:00:00Z The researchers found a silicate mineral called phillipsite, which is common in volcanic rocks, with crystals of aluminium tobermorite growing from it. Seawater is the secret to long-lasting Roman concrete 2017-07-02T04:00:00Z This shimmy rearranged zones of magma that are heated under different pressures in the shallower part of the mantle — when they cool, the volcanic rock that results reflects this difference. Why Two Volcanoes in Hawaii Are So Close, but So Different 2017-05-03T04:00:00Z The Hellisheidi geothermal plant in Iceland injects carbon into volcanic rock. Scientists seek holy grail of climate change in Oman’s hills 2017-04-12T04:00:00Z One wall of the gallery is hewed from speckled Oya volcanic rock — the same material Frank Lloyd Wright used for the facade of the former Imperial Hotel in Tokyo. The Veteran Photographer Making Stunning New Buildings 2017-04-03T04:00:00Z Far off, toward Silver Peak and an extinct cinder cone near the ghost town of Blair, mounds of black volcanic rock rise like obelisks out of the alkali playa. Lithium: Mineral found in Nevada could power our future 2017-03-31T04:00:00Z It was shocking: a baleful black chamber the color of new asphalt, or volcanic rock, or Mordor. In the Land of Giants 2017-03-23T04:00:00Z This pattern - the consequence of periodic changes in Earth's polarity being locked into the minerals of cooling volcanic rock - was one of the key pieces of evidence for the theory of plate tectonics. Space view of Earth's magnetic rocks - BBC News 2017-03-21T04:00:00Z This jasper was found between volcanic rocks, and probably formed as material ejected from hydrothermal vents settled. Do the Quebec fossils prove that life begin much earlier than we thought? 2017-03-03T05:00:00Z Sea-floor samples reveal that Zealandia consists of light continental crust and not the dark volcanic rocks that make up nearby underwater plateaus. Geologists spy an eighth continent: Zealandia 2017-02-15T05:00:00Z Both spots sit close to old volcanic rocks, another important goal for a mission that will collect samples that may ultimately be returned to Earth. Jezero crater most popular scientific target on Mars for NASA’s 2020 rover 2017-02-10T05:00:00Z The 9-mile, one-way loop winds through an eroded landscape of pastel volcanic rock and ash. Death Valley’s Artist’s Palette road to close 2017-01-04T05:00:00Z The park said Monday that no one was injured in the Saturday collapse, which sent showers of volcanic rock into the air. Park Service to open new Hawaii lava viewing area 2017-01-03T05:00:00Z Hawaii Volcanoes National Park said Monday no one was injured when the lava delta collapsed and sent showers of volcanic rock into the air. Park Service closes Hawaii lava viewing area after collapse 2017-01-02T05:00:00Z For his own souvenirs, Henry brought home a volcanic rock carved into the shape of Mount Vesuvius and a gladiator’s helmet. Make-A-Wish sends Big Sandy boy, family to Pompeii 2016-12-31T05:00:00Z The closest the senator says he ever got to Disneyland was Piute Springs, desert lands across the California border, with an old fort, volcanic rock and natural springs that were “like a miracle.” The artist and the senator: One built a desert masterpiece, the other a Nevada legacy 2016-12-20T05:00:00Z Materials brought up from the mantle, such as volcanic rocks, react with O2 when they are exposed. Bridge the planetary divide 2016-11-01T04:00:00Z It landed on Igneous, for the long-lasting volcanic rocks found in the Northwest. Igneous emerges from stealth mode with its first product 2016-10-16T04:00:00Z Arequipa is known as the Ciudad Blanca, or "White City," because many of its structures are made of sillar, a white stone block made from volcanic rock found in the area. 3 Options for a Mosquito-Free Retirement Overseas 2016-09-07T04:00:00Z Sheyna Gifford scoops up a handful of reddish volcanic rocks, buries her nose in it, and takes a long, deep breath. Here’s What It Feels Like to Spend a Year on ‘Mars’ 2016-08-29T04:00:00Z I walked up toward the north side, dark red with volcanic rock like burnt sienna. On Santa Cruz Island, they killed the cows, sheep, and bees. Now it’s time to finish the job 2016-08-25T04:00:00Z Heizer’s valley is an ancient wash, filled with streambed cobblestones—limestone, dolomite, sandstone—and volcanic rocks like basalt: he chose this spot, he says, for the materials. A Monument to Outlast Humanity 2016-08-22T04:00:00Z For many years, Lonar crater was thought to be volcanic in origin, due to its location in a basalt field made from volcanic rock from 65 million years ago. These Tranquil Lakes Are Actually Ancient Impact Craters 2016-06-30T04:00:00Z Results published this week in Science show that injecting CO2 into volcanic rocks triggers a reaction that rapidly forms new carbonate minerals—potentially locking up the gas forever. Underground injections turn carbon dioxide to stone 2016-06-10T04:00:00Z Barney Ronay Seeing how Iceland get on, a lump of volcanic rock halfway to America with a population the size of Leicester and the best pound for pound youth system in the world. Euro 2016: Guardian writers’ predictions for the tournament in France 2016-06-10T04:00:00Z That last, a volcanic rock, is vital to the process, for it is full of elements which will readily react with carbon dioxide. Turning air into stone 2016-06-08T04:00:00Z At a power plant in Iceland, volcanic rock is being used to transform carbon dioxide into salt-like crystals. How One Country Is Making Rocks Out of Air Pollution New Zealand has warned hikers and climbers to steer clear of a volcano in a national park whose jagged volcanic rock formations and eerie barren landscapes featured in "The Lord of The Rings" movies. New Zealand warns hikers away from 'Lord of the Rings' volcano 2016-05-11T04:00:00Z Tiny bubbles that formed inside volcanic rock 2.7 billion years ago are providing big insights into the conditions on primordial Earth. Ancient lava bubbles reveal conditions on primordial Earth 2016-05-09T04:00:00Z But over the top of the volcanic rock is a good layer of dust much like that seen on the moon. Transit of Mercury 2016: follow today's celestial event - live 2016-05-09T04:00:00Z This was partly down to the use of local materials - such as nearby volcanic rock from the Virunga mountains - and the use of local workers to build it. Tomorrow's buildings: Smarter by design - BBC News 2016-04-26T04:00:00Z Iceland is a nation of 325,000 people situated on a spit of volcanic rock in the middle of the North Atlantic Ocean. Volcano! The incredible rise of Iceland's national football team 2016-01-30T05:00:00Z It is believed that the group was attacked by rival hunter-gatherers armed with wooden clubs and arrows or spears tipped with sharpened obsidian, a rare black volcanic rock. Ancient 'massacre' unearthed near Lake Turkana, Kenya - BBC News 2016-01-21T05:00:00Z The master bedroom has an en-suite bathroom that includes a separate shower and bathtub area tiled with greenish stone selected to match the volcanic rock around the beach, Mr. Zephirin said. House Hunting in ...Trinidad and Tobago 2016-01-06T05:00:00Z But over the top of the volcanic rock is a good layer of dust much like that seen on the moon. Transit of Mercury 2016: follow today's celestial event - live 2016-05-09T04:00:00Z Nguyen said the bonsai he gave Evans - in which plants grow out of a landscape made of volcanic rock - is a symbol of longevity. Former refugee thanks governor who welcomed him in 1975 2015-12-19T05:00:00Z As planes approach Iceland's Keflavik Airport they fly over dark, volcanic rock, sparsely covered in grass and edged by the frothing Atlantic Ocean. The towns transformed by budget airlines - BBC News 2015-11-12T05:00:00Z It’s hemmed in by peaks composed of a volcanic rock called rhyolite, which takes on an array of colors: orange, gray, green, and black. The Civilian Saviors of Iceland 2015-11-09T05:00:00Z Ohana Villa has a concrete foundation drilled into volcanic rock, and its bedrooms, kitchen and perimeter walls are all concrete. House Hunting in ...Trinidad and Tobago 2016-01-06T05:00:00Z He was proved right a century later, when scientists drilled into an atoll and hit volcanic rock. Before we drown we may die of thirst 2015-10-27T04:00:00Z The volcanic rock found on the moon and Mars as well as Hawaii. Hilo company works with NASA on sustainable landing pad 2015-09-26T04:00:00Z They harvest in about 115 to 120 days and grow in buckets of volcanic rock. Stearns County’s Tomato King reigns with hydroponic veggies 2015-08-01T04:00:00Z About 90 percent of the artifacts are obsidian, a prized glasslike volcanic rock. Artifact trove reveals campsites near Moose-Wilson Road 2015-07-30T04:00:00Z The final ascent requires navigating a loose mixture of ash, pumice and other volcanic rock on a steep incline. Guided hikes on Mount St. Helens offer up-close views 2015-07-11T04:00:00Z “They looked for other explanations, like the meteorites were an outcrop of silver from Potosí or volcanic rocks.” Meteorite Thefts Pose a Problem in Ancient Impact Field 2015-06-19T04:00:00Z These days, the background noise comprises the soothing wash of the ocean over volcanic rock - a rhythmic sound strangely similar to breathing, and equally comforting. Europe's next cheap holiday destination? - BBC News 2015-05-24T04:00:00Z The tools, made from volcanic rock, include sharp-edged flakes of various sizes, the rocks from which these flakes were struck, larger rectangular blocks that served as anvils and smaller, harder stones that served as hammers. Human ancestors made stone tools earlier than previously known 2015-05-20T04:00:00Z The Atacama Desert, sitting on top of arsenic-rich volcanic rock, is one of them. An Unlikely Driver of Evolution: Arsenic 2015-03-12T04:00:00Z Tens of thousands of US marines faced more than 20,000 well prepared Japanese soldiers dug into the island's inhospitable volcanic rock. Surviving Iwo Jima 2015-02-28T05:00:00Z Around 2.5 million years ago, hominid ancestors began to craft sharp flakes of volcanic rocks like flint and use them for slaughtering animals. Humanity’s first conversations were probably about butchering (and rocks) 2015-01-17T05:00:00Z Magnificent old walls surround the city; built of black volcanic rock, they were begun by the Romans and then added to by Arabs and Ottomans. Atoning for a Genocide | The New Yorker 2014-12-29T05:00:00Z In daylight, the black exterior recalls the volcanic rock that litters parts of the island nation’s coastline. Cool venues in a very cold place 2014-12-18T05:00:00Z The ore is cassiterite and this is usually found in volcanic rocks like granite. BBC's Panorama Attacks Apple Over Indonesian Tin 2014-12-19T05:00:00Z They are hopeful that further excavations in the formation made up of volcanic rocks may yield more fossil troves. New meat-eating dinosaur species found in Venezuela 2014-10-08T04:00:00Z This violent transformation pulverizes the surrounding volcanic rock. How a Deadly Volcano Erupted in Japan without Warning 2014-09-30T04:00:00Z The church had been built from “female basalt,” volcanic rock so porous that it breathed. Atoning for a Genocide | The New Yorker 2014-12-29T05:00:00Z The villagers lived in geometrically identical stone houses, grew barley, raised cattle and sheep, and carved tools using volcanic rock from Iceland that washed ashore. Scotland Fights to Keep History from Vanishing Beneath the Waves 2014-08-01T04:00:00Z The new video reveals them disporting in mid water around a precipitous cliff of volcanic rock. Pushing frontiers of deep sea exploration 2014-07-16T04:00:00Z If he had an ache in his shoulder, a poultice of crushed volcanic rock worked better than Bengay. My Mother’s Miracle-Water Cure 2014-07-11T04:00:00Z It was found on volcanic rock and appears to have dark pink spots on a dark green and white rock when viewed under a microscope. The world’s newest mineral is unlike anything we’ve ever seen before 2014-04-26T19:00:00Z Because they were on volcanic rock there was nowhere to bury the bodies, so the human dignity of burial rites of loved ones was impossible and bodies were literally left in piles. Lens Blog: Witness to History, Searching for Dignity 2014-04-17T12:58:22Z “It’s like a little piece of volcanic rock and the edges are sharp,” Grossman, a Democratic candidate for governor, told TIME. Candidate Who Passed Kidney Stone During Debate Describes Pain 2014-03-27T16:42:04Z Diamonds, brought to the Earth's surface in violent eruptions of deep volcanic rocks called kimberlites, provide a tantalising window into the deep Earth. Hints of deep Earth's blue rocks 2014-03-13T01:16:58Z In the tunnels, the bare walls are layered with volcanic rock, folded taffylike, the result of enormous pressures and high temperatures. Decade of Tunnel Excavations Brings Geologists Blessings From Below 2014-02-18T01:35:17Z The research team is now applying the same age-dating technique to one of the main Permian mass extinction suspects, volcanic rocks from the Siberian Traps, one of the largest volcanic outpourings on Earth. Worst Mass Extinction Ever Took Only 60,000 Years 2014-02-11T11:10:00Z As the volcanic rock crystallized, it developed a strong, uniform surface. From Scottish Magma to Sochi Ice: The Geologic History of Curling Stones 2014-02-08T17:00:00Z The team studied not only the fossils themselves, but also the chemistry and mineralogy of the volcanic rock and sediment that formed the animals' ashen tomb. Pompeii-like Eruption Fossilized Dinosaurs in Death Poses 2014-02-04T18:20:00Z Instead of experiencing the metal tips of the crampons attached to my boots crunching into the ice of a glacier, I was aware that, at high altitudes, they were still scraping against exposed volcanic rock. “The Great Dying” redux? Shocking parallels between ancient mass extinction and climate change 2013-12-17T15:53:00Z These volcanic rocks, or tuff, were a boon to Rome's earliest architects, who soon learned the tuff was strong and easy to carve into building blocks. "Secret" Labyrinth of Tunnels under Rome Mapped 2013-12-04T23:18:16.492Z It is a volcanic rock, containing silicate minerals. Science images from across the globe 2013-09-13T16:13:07Z Also in Ethiopia gold is associated with the proterozoic metamorphic rocks, found to the west of the Afar lowlands, where recent volcanic rocks mark the Great Rift System of the African plate. In Search of the Lost Land of Gold (and mummified baboons too) 2013-08-30T21:45:04.883Z Windows between columns made from locally quarried, dark coloured volcanic rock - the same material as the causeway - allow visitors to be aware of the outside despite the building being partially underground. Concrete estate up for design award 2013-07-18T01:41:59Z The meteorites, by contrast, are much younger volcanic rocks that emerged from deeper within Mars and so were less influenced by this process. Early Mars atmosphere 'oxygen-rich' 2013-06-19T18:12:10Z The Romans made concrete by mixing lime and volcanic rock. Ancient Roman Concrete Is About to Revolutionize Modern Architecture 2013-06-14T17:05:12Z From the abundances of elements like aluminum, calcium and magnesium, the mission’s scientists concluded that the rock is very rich in clay minerals, which could have formed from copious water running over volcanic rocks. Martian Rock Another Clue to a Once Water-Rich Planet 2013-06-07T23:42:03Z I had read that, actually, Rome's cobbles were no longer worked out of that volcanic rock up in the hills behind in the city. The uneven charm of Rome's cobblestones 2013-05-23T23:43:52Z The accident happened in Cappadocia, a region popular with tourists for its spectacular volcanic rock formations. Tourists die in Turkey balloon crash 2013-05-20T19:24:29Z The accident happened in Cappadocia, which is popular with tourists for its spectacular volcanic rock formations. Tourists die in Turkey balloon crash 2013-05-20T12:19:08Z We expected to find volcanic rock and debris, typical of a seabed, not granite. Atlantis Discovered? 2013-05-10T08:45:00Z The high-desert site and its volcanic rock outcroppings are listed in the National Register of Historic Places, protected under the Archaeological Resources Protection Act and still used by local Paiute Indians for ceremonies. Ancient petroglyphs ripped from stone at California rock art site 2012-11-20T21:21:52Z They are made of the volcanic rock that welled up in the hills behind the city. The uneven charm of Rome's cobblestones 2013-05-23T23:43:52Z When Curiosity approached the volcanic rock, there was never really any expectation that it would pique great excitement. Cosmic coincidence on the road to Glenelg 2012-10-17T12:02:50Z The sand is very probably just the product of weathered basalt, the ubiquitous volcanic rock on Mars' surface. Mars rover to scoop sand sample 2012-10-05T09:06:45Z But the bleached volcanic rock ringing Black Canyon above Lake Mead, the reservoir created by the dam, speaks to the limits of human engineering. Climate change challenges power plant operations 2012-09-09T23:08:00Z But the bleached volcanic rock ringing Black Canyon above Lake Mead, the reservoir created by the dam, speak to the limits of human engineering. Climate change challenges power plant operations 2012-09-09T23:08:00Z Vicky Hards from the British Geological Survey said the raft of volcanic rocks on this scale was a "relatively unusual occurrence". Vast volcanic 'raft' in Pacific 2012-08-10T13:15:24Z The men were stationed at Matienzo Base, a dreary cluster of steel huts that sat atop a wedge of volcanic rock jutting from the sea, 50 kilometers off the coast of Antarctica. Scientists Trek to Collapsing Glaciers to Assess Antarctica s Meltdown and Sea-Level Rise (preview) 2012-07-16T11:45:00.263Z Scientists found that the smokers formed as hot water rose through the volcanic rocks, hit icy seawater and shed a variety of minerals that slowly coalesced into eerie mounds and chimneys. Vast Deposits of Gold and Other Ores Lure Seabed Miners 2012-07-09T16:49:11Z The pit also exposes the ancient volcanic rocks. Oceans of Ore: How an Undersea Caldera Eruption Created Jerome, Arizona 2012-06-04T11:15:12.460Z It was a plateau of volcanic rock, with scrubs of hazel, and bents and reeds and harebells ceaselessly stroked by the wind. Mushroom Town 2012-04-21T02:00:25.923Z Thus, throughout the Columbia Basin, the surface is mainly of volcanic rock overlying the shattered fragments of the original earth crust. The Columbia River Its History, Its Myths, Its Scenery, Its Commerce 2012-04-07T02:00:31.747Z Heulandite occurs with stilbite and other zeolites in the amygdaloidal cavities of basaltic volcanic rocks, and occasionally in gneiss and metalliferous veins. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The island is a crater, a finely broken mass of volcanic rock and verdure, flecked here with light and there with shadow. Naples Past and Present 2012-03-13T02:00:23.473Z But now that a dark shadow was thrown over the chaotic masses of volcanic rock, the scenery was inexpressibly dreary and forbidding. A Desperate Voyage 2012-03-11T03:00:11.030Z Matter, who works with the program, said CarbFix is the first system that injects carbon dioxide into basalt, a form of volcanic rock. New Storage Projects Turns CO2 into Stone 2012-03-05T17:45:00.190Z If you picked up one volcanic rock as well as one granite rock of the same size, you would notice they don't weigh the same. Rock Solid? How Particles Affect Porosity 2012-03-01T15:15:00.240Z Then, nine more deep-welled tombs were uncovered in the volcanic rock, each containing about 20 bodies. Raising the Dead: New Species of Life Resurrected from Ancient Andean Tomb 2012-02-19T13:15:00.210Z It is formed of volcanic rock of a peculiar reddish colour, and is about 800 feet in height. The Cruise of the 'Alerte' The narrative of a search for treasure on the desert island of Trinidad 2012-02-17T03:00:29.247Z "It's a highly volcanic area and much of the CO2 enters the lake from the volcanic rock beneath it," says Professor Brian Moss from the University of Liverpool. Neutralising Africa's 'exploding lake' 2012-02-13T11:11:14Z In the U.S. there are places where volcanic rock has held CO2 for about 65 million years, said Michael Stephenson, head of energy at the British Geological Survey in Nottingham. Carbon Capture Projects Imperiled by Worst-Case Scenario: Energy 2012-02-07T02:03:09Z The granite is heavier than the volcanic rock. Rock Solid? How Particles Affect Porosity 2012-03-01T15:15:00.240Z These volcanic rocks, owing to much 625 alteration, are often slaty; they have been called the “green slates and porphyries” or the Borrowdale Series. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z The volcanic rocks follow the line of greatest elevation on the main watershed at altitudes from 1,500 to 2,000 feet above sea level. Early Days in North Queensland 2012-01-24T03:00:29.987Z Such media are the volcanic rocks when they are rapidly cooled, producing various kinds of pitchstone, obsidian, &c. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z After reading this letter, I clambered over the mountains of Ascension with a bounding step and made the volcanic rocks resound under my geological hammer. Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters 2012-01-22T03:00:19.733Z Many diamonds are embedded in a dense volcanic rock called kimberlite, which gets its name from the town of Kimberley, South Africa, where several of the world's first diamond mines were discovered. How a Diamond Is Like a Champagne Cork 2012-01-18T18:00:00Z The interesting geological feature of these islands is the development of Lower Carboniferous volcanic rocks. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z Figure 6: A diamicton of fine volcanic soil and larger pebbles and cobbles of volcanic rock. Lava Loops and Stone Stripes 2012-01-10T20:15:00.237Z M. Duponchel stated that the principal portion of the line would rest during nearly its whole extent on layers of sand, and toward the end on primitive volcanic rocks, granite, gneiss, etc. Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z The soil is poor, varying from volcanic rock to gravel and sand. A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico 2011-12-31T03:00:17.400Z Other hard rocks such as chert, quartzite, felsite, granite, sandstone and volcanic rocks very frequently are largely represented in gravels, while coal, limestone and shale are far less common. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z Brent Tor.—A curious cone of volcanic rock a long mile south-west of Brentor Station, and fully four miles north of Tavistock. Climbing in The British Isles. Vol. 1 - England 2011-11-14T03:00:21.670Z To the west is Specimen Mountain, interesting because of the variety of color in its volcanic rocks, geodes lined with crystalline material, volcanic glass, and other curious formations. Rocky Mountain [Colorado] National Park 2011-11-05T02:00:11.333Z Near the summit is a huge pinnacle of volcanic rock, standing up perpendicularly, and of impossible access. Alone with the Hairy Ainu or, 3,800 miles on a pack saddle in Yezo and a cruise to the Kurile Islands. 2011-10-30T02:00:10.270Z The gold is embedded in microscopic flecks in volcanic rock along what geologists call the Carolina Slate Belt, which winds from northern Georgia through the Carolinas and into Virginia. South Carolina mine sparks mini-gold rush 2011-10-15T15:51:29Z It has an absolutely insular position, due to its situation on top of an isolated crag of dark volcanic rock which rises out of the wide valley of the river Paglia. Cathedral Cities of Italy 2011-10-12T02:00:42.597Z In this locality abundance of vesicular scoriaceous trap rocks were found by Captain M'Clintock; they appear to me to be the representatives of the volcanic rocks found everywhere at the commencement of the carboniferous period. In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions 2011-10-10T02:00:18.377Z This is only one among numerous experiments by which we have learnt how volcanic rocks are formed and at what heat the crystals of different substances grow. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z The south-eastern part is characterized by the almost entire absence of volcanic rocks and older eruptive rocks. Alone with the Hairy Ainu or, 3,800 miles on a pack saddle in Yezo and a cruise to the Kurile Islands. 2011-10-30T02:00:10.270Z Here and there in the crevices of the black volcanic rocks, over which they hurried, a stunted sagebush or a dwarf cactus suggested the awful barrenness of the place rather than told of vegetation. Lost in the Ca?on 2011-09-19T02:00:14.387Z The rock is basically basalt, a common volcanic rock, which was cemented together from fragments of other rocks shattered by an impact, for example. Rover probes role water may have played on Mars 2011-09-01T23:50:15Z Garnets are very widely distributed, occurring in crystalline schists, gneiss, granite, metamorphic limestone, serpentine, and occasionally in volcanic rocks. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z This would account for our finding volcanic rocks in almost all parts of the world, even very far away from where there are any active volcanoes now. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z Carlson and Jackson's research expanded these findings, in order to determine if other large volcanic rock deposits also derive from primitive sources. Reservoirs of Ancient Lava Shaped Earth 2011-07-29T13:07:00Z Up to the first century b.c. there was little or no splendour or decoration introduced into the buildings of Rome, and the city of Augustus' inheritance was a city of sober-hued, volcanic rock. Rome 2011-07-24T02:00:10.227Z Early in Vesta’s existence, Russell said, lava welled up from its interior and cooled to form a crust of volcanic rock. Destination asteroid: NASA probe arrives at ancient ?mini moon? 2011-07-15T20:16:35Z In his neighborhood were some large, ragged volcanic rocks, and getting in line with one of these I started to stalk him. Cruisings in the Cascades A Narrative of Travel, Exploration, Amateur Photography, Hunting, and Fishing 2011-07-09T02:00:15.543Z What then can we learn from this stream about the materials which come up out of the depths of the earth, and of the manner in which volcanic rocks are formed? Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z The islands occupy a gap without volcanoes between the volcanic ranges of Sumatra, and Barren and Narkondam Islands, and the occurrence of young volcanic rock in them is improbable. In the Andamans and Nicobars The Narrative of a Cruise in the Schooner "Terrapin" 2011-06-30T02:00:24.487Z In a corridor lined with cottonwood trees, the river winds through forested mountains before dropping into sheer canyon lands carved through volcanic rock. Trout die-off in Wyoming bodes ill for famous fishery 2011-06-16T01:31:32Z All around them stretched wide wastes of volcanic rock and scrub. The Mystery of The Barranca 2011-05-25T02:00:16.720Z When Channing and his colleagues first began working in the remote Deseado Massif of Santa Cruz Province, Argentina—an area of ancient volcanic rocks—they did not know if they would find plant fossils. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z The mountains of Central America, although but little known, are of comparatively recent date, but differ from the coast ranges in being more largely built of young volcanic rocks. North America 2011-05-05T02:00:20.027Z A volcanic rock in the centre of the ocean. Blackwood's Edinburgh Magazine, Volume 60, No. 369, July 1846 2011-04-29T02:00:09.217Z The chalk opposes a barrier, which, though far less stubborn than the volcanic rocks of Cornwall, is yet more enduring than the clay: hence the land rushes proudly out on the domain of ocean. A Month in Yorkshire 2011-04-24T02:00:10.977Z The various decomposing volcanic rocks—tufas, conglomerates and basalts—mingled with decayed vegetable matter, and abundantly watered, form a very fertile soil. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z The elevation of each of the great mountain systems already described was accompanied by extensive eruptions of volcanic rocks, and the sequence appears to have been similar in every case. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z In these instances valleys have been changed to uplands, owing to the resistance to erosion afforded by the volcanic rocks discharged into them. North America 2011-05-05T02:00:20.027Z The base of the skull is imbedded in a mass of bone-breccia and small pebbles of volcanic rock. A Manual of the Antiquity of Man 2011-02-21T03:00:07.080Z In the sequel, some account will be given of the appearances presented by modern volcanoes and volcanic rocks. Geology 2011-02-20T03:00:12.660Z Provence A region of fertile plains dominated by volcanic rocks and mountains. The Cathedrals of Southern France 2011-02-10T03:00:54.597Z The first of these shows no sign of either lavas or scoriae, but volcanic rocks occur on the margins of the other two. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Shea climbed rocky masses, shoved through sand, rolled over jutty fields of volcanic rock, and when the afternoon was half gone, came upon automobile tracks. The Mesa Trail 2011-01-27T03:00:37.207Z Tuff, a sand rock formed by agglutinated volcanic rock. A Manual of the Antiquity of Man 2011-02-21T03:00:07.080Z It is eminently a geologically modern volcanic rock. Geology 2011-02-20T03:00:12.660Z Masses of volcanic rock, with sharp and jagged peaks, tower up above the coast, an iron girdle barring all access to the interior. Napoleon's Young Neighbor 2011-01-24T03:00:18.637Z The pebbles of the basal conglomerates are derived chiefly from the underlying platform of greywackes and shales and from the Radiolarian cherts and volcanic rocks in the tableland to the south. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z Minute quantities of radioactive elements incorporated into volcanic rocks at the time they formed decay at a regular rate — and act like a clock, ticking away until they are analyzed. Scientist at Work: Eureka! A Fossil Bone, and Water Ferns to Boot 2011-01-03T22:17:49Z In the Thornhill basin there is a thin zone of volcanic rocks at the base of this series which are evidently on the horizon of the lavas beneath the Mauchline sandstones in Ayrshire. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z Augite or pyroxene is a black or greenish-black mineral, found, either as crystals, which are generally small, or as rounded grains and angular fragments, in basaltic and volcanic rocks. Geology 2011-02-20T03:00:12.660Z In volcanic rocks, and in nearly all other kinds of igneous rocks with the exception of granite, biotite occurs to the exclusion of the muscovite. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z The coarse agglomerate filling the old volcano on the top of Arthur’s Seat is associated with the eruption of the volcanic rocks of Calciferous Sandstone age near Edinburgh. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z Erionite, found in volcanic rock, is classified as a Group 1 carcinogen by the International Agency on Cancer Research, the cancer arm of the World Health Organization. Village ravaged by cancer in Turkey's Cappadocia 2010-11-04T15:19:00Z Along this line these Upper Red sandstones and shales are overlaid by a thin zone of volcanic rocks which point to contemporaneous volcanic action in this region at the beginning of the Carboniferous period. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z Three efforts to bore through the abrasive volcanic rock went forward simultaneously — known as Plans A, B, and C — but it was Plan B that broke through to the miners first. At Mine, Plan B Works Best 2010-10-12T23:53:00Z The powerful drill twisted and pounded its way through the abrasive volcanic rock to create a rescue hole for the miners to be hauled 624 meters to the desert surface. Drill Reaches Trapped Miners in Chile, but Risks Remain 2010-10-09T14:22:00Z Now the limestone, along with layers of large pebbles, gravel and a moisture-absorbing volcanic rock known as clinker, comprise the bulk of the playing surface. At French Open, maintaining clay courts is a full-time job 2010-06-02T04:00:00Z The base is topped with a six-inch layer of volcanic rock and three inches of porous limestone. Get Me Makeup! A Little Rouge Dresses Up the French Open 2010-05-28T22:15:00Z The Rochester team has developed techniques for studying tiny magnetite minerals trapped inside the crystals of volcanic rock. Rocks record early magnetic field 2010-05-04T09:19:00Z The geology of the region — hard volcanic rock infused with other extremely hard minerals — favored the Plan B equipment, said Maurice B. Dusseault, a professor of engineering geology at the University of Waterloo in Canada. At Mine, Plan B Works Best 2010-10-12T23:53:00Z So fast and vast was the tonnage of volcanic rock and dust dumped on its residents and livestock that many were killed on the spot. Frozen figures 2010-04-05T01:08:00Z Tags: Charles Darwin, Galápagos, giant tortoises, iguanas, islands, skittishness, tameness Ruth Fremson/The New York Times Marine iguanas huddled together for warmth on volcanic rock on Tintoreras island in the Galápagos in 2009. 2010-02-02T23:33:00Z They are often accompanied by volcanic rocks, which are mainly andesitic, and they commonly lie unconformably upon the older beds. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" There are volcanic rocks in Africa, India and Australia that possibly retain a record that is 3.6bn years old. Rocks record early magnetic field 2010-05-04T09:19:00Z Contemporaneous volcanic rocks, belonging to three stages of the Carboniferous formation, occur in Arran. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Contemporaneous volcanic rocks are associated with the Ordovician beds and with the Rhaetic sandstones in several places. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" Both Great and Little Ararat consist entirely of volcanic rocks, chiefly andesites and pyroxene andesites, with some obsidian. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 4 "Aram, Eugene" to "Arcueil" An extinct volcano occurs at Aden, and volcanic rocks are found at other places near the Straits of Bab-el-Mandeb. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" First they noted that the little mountain stream had worn its torrential way through the basalt or volcanic rock in a narrow canyon perhaps 200 feet deep. Unexplored! They are considered by geologists to present perhaps the most wonderful and instructive example of volcanic rocks to be seen on the globe. The Belief in Immortality and the Worship of the Dead Vol. II The Lower Old Red Sandstone, chiefly composed of volcanic rocks—lavas and tuffs—rests unconformably on the metamorphic series. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" Chalcedony occurs as a secondary mineral in volcanic rocks, representing usually the silica set free by the decomposition of various silicates, and deposited in cracks, forming veins, or in vesicular hollows, forming amygdales. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" A would-be king has difficulty in finding a stray kingdom nowadays, and Harden-Hickey bothered his head not in the least over the problem of populating this god-forsaken jumble of volcanic rock and ashes. The Book of Buried Treasure Being a True History of the Gold, Jewels, and Plate of Pirates, Galleons, etc., which are sought for to this day Intrusive and volcanic rocks of great variety and of various ages occur. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" The interior of the island is formed of dark volcanic rock and red clay, descending in low hills from a flat-topped centre, called the Crown of Mangaia. The Belief in Immortality and the Worship of the Dead Vol. II A simple mineral of a dark green, or black color, which forms a constituent part of many varieties of volcanic rocks. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology It is found in the basalts of N. Ireland, the Faroe Isles and Iceland: it is common in the traps of the Deccan in India, and in volcanic rocks in Uruguay and Brazil. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" In fact, this forbidding mass of volcanic rock is a little bit of inferno. The Book of Buried Treasure Being a True History of the Gold, Jewels, and Plate of Pirates, Galleons, etc., which are sought for to this day Of all the peculiar features of the Carpathian chain, perhaps the most remarkable is the fringe of volcanic rocks which lies along its inner margin. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4 "Carnegie Andrew" to "Casus Belli" In the Lower Carboniferous rocks of Scotland intercalated volcanic rocks are strikingly abundant, and now form an important feature in the geology of the southern portion of that country. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" An Italian name for a variety of volcanic rock of an earthy texture, seldom very compact, and composed of an agglutination of fragments of scoriæ and loose materials ejected from a volcano. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Him we followed into the hills along a road cut into the crumbling volcanic rock and entirely unmetalled. From Sea to Sea Letters of Travel Geology.—On the north a Silurian upland stretches, falling to the sea at Balbriggan, where fossiliferous strata contain contemporaneous volcanic rocks. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7 "Drama" to "Dublin" One of these stones, nearly an inch and a half in length, of extremely hard volcanic rock, is in the Cambridge museum. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The heat of the volcanic rock matter has melted the silica in the sand, which has hardened again into a crystalline substance like glass. Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place A simple mineral found in volcanic rocks, crystallized, and of a white color. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Toward night the eruptions increased in force, and before morning Pompeii and some smaller towns were also buried under the glowing rivers of volcanic rocks, ashes and mud. Reminiscences The Story of an Emigrant Surf broke on the black volcanic rock on the eastern shore, except at one point where there appeared to be a fair-sized cove. The Pirates of Shan Brad Connel was given a location on the northwestern slope, and Zircon and the boys were shown a position on the west near the place where pumice, a foamy volcanic rock, was mined. The Flaming Mountain Basalt is the most fusible of volcanic rocks, owing to the augite and magnetite it contains, so that it spreads out with a very slight slope when highly fused. Volcanoes: Past and Present The sand and pebbles in the river-bed consist chiefly of a brown quartzose sandstone, derived from the upper country; but the materials of the volcanic rock itself must have greatly assisted the attrition. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Such an arrangement constantly takes place before our eyes in volcanic rocks as they cool. Modern Painters, Volume IV (of V) There was a very small crescent of beach on the northern shore, but black volcanic rock dropped into the sea in most places. The Pirates of Shan Pumice, as you probably know, is volcanic rock. The Flaming Mountain Scoria and lava of recent age; T. Tertiary strata forming the foundation to the volcanic rocks. Volcanoes: Past and Present An Italian name for a particular kind of volcanic rock, formed like tuff, by the cementing together of volcanic sand, cinders, or scoriæ, &c. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology A six-foot bluff loomed in his path, black volcanic rock shining like wet glass. The Sensitive Man Along the coast lies a belt of granite and schist overlaid unconformably by Cretaceous and Tertiary deposits; inland the mountains are formed chiefly of folded Mesozoic beds, together with volcanic rocks of later date. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" The geological formation is principally of volcanic rocks, with schists and tertiary limestone; and an early physical connexion of the islands with New Zealand is indicated by their geology and biology. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The Snake and Columbia rivers are lined by walls of volcanic rock, basaltic above, trachytic below, for a distance of, in the former, one hundred, in the latter, two hundred, miles. Volcanoes: Past and Present This fact appears to indicate a connection between the heat of the interior and the fissures caused by the Calabrian earthquakes, notwithstanding the absence of volcanic rocks, either ancient or modern, in that district. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology These beds of lava were gradually broken up by the action of the elements, and now presented the appearance of ridges of broken volcanic rocks of the most varied and fantastic shapes. Across Asia on a Bicycle The soil in this cañon was not deep and consisted of a rocky, marly mixture, pale red in color, evidently produced by weathering of the reddish volcanic rocks bordering the cañon. Two New Moles (Genus Scalopus) from Mexico and Texas They are carved from volcanic rocks of a few closely related varieties, the texture of which is coarse and occasionally somewhat cellular, giving an uneven or pitted surface, well suited to the grinding of maize. Ancient art of the province of Chiriqui, Colombia Sixth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1884-1885, Government Printing Office, Washington, 1888, pages 3-188 Basalt.—The most extensively distributed of all volcanic rocks. Volcanoes: Past and Present The Atlantean's blunt outstretched finger indicated a towering pine sprouting from among a mass of reddish volcanic rock at the rim of that new world. Astounding Stories, February, 1931 In Australia we find Lower Devonian consisting of coarse littoral deposits with volcanic rocks; and a Middle division with coral limestones in Victoria, New South Wales and Queensland; an Upper division has also been observed. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" Spud was unmoving; his feet might have been one with the volcanic rock on which he stood for any ability of his to raise them. The Finding of Haldgren Dark ragged mountains of volcanic rock lay to the north, and to the south a tangle of naked ridges whose sides were discolored as though by fire. When the West Was Young It is beyond the scope of this work to describe the volcanic rocks of pre-Tertiary times over various parts of the globe. Volcanoes: Past and Present Only here and there toward its lower rim a tatter in it revealed the giant's rugged brown muscle of volcanic rock. The Atlantic Monthly, Volume 14, No. 86, December, 1864 In the Shetland Islands contemporaneous volcanic rocks have been observed. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" Sheltered behind a jagged ridge of volcanic rock in the inner crater of the great ring of Hercules, he stared in utter horror at the figures that approached. The Finding of Haldgren Four heavy iron staples had been driven with great difficulty into holes drilled in the face of the volcanic rock. Sir Henry Morgan, Buccaneer A Romance of the Spanish Main The oldest volcanic rock appears to be rhyolite, which peers up in two small hills almost smothered beneath the lake deposits. Volcanoes: Past and Present Bassas da India: A French possession since 1897, this atoll is a volcanic rock surrounded by reefs and is awash at high tide. The 2008 CIA World Factbook In Assyria as in Chaldæa the dark and hard volcanic rocks have only been found in a few isolated fragments. A History of Art in Chaldæa & Assyria, v. 1 "Opal Matrix" has tiny specks and films of precious opal distributed through a dark volcanic rock and the mass is shaped and polished as a whole. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public We picked up fragments of chalcedony and small blocks of volcanic rock, or basalt. In the Tail of the Peacock But the great mass of the volcanic rocks are much more recent, and may be confidently referred to the late Cretaceous or early Tertiary epochs. Volcanoes: Past and Present Bassas da India: A French possession since 1897, this atoll is a volcanic rock surrounded by reefs and is awash at high tide. The 2008 CIA World Factbook But quarrying and transport involved an expenditure that prevented any thought of bringing these volcanic rocks into common use. A History of Art in Chaldæa & Assyria, v. 1 Desolate, rolling country, pale green wide dells, where streams should be, but are not; roads excavated in the brown volcanic rock, here and there fringed with a few cork-trees; the approach, very much, to Toscanella. The Spirit of Rome The microscope disclosed a certain volcanic rock known to be found in only one locality. The Economic Aspect of Geology Besides quartz-pebbles, the deposit contains others of slate, grit, and volcanic rock. Volcanoes: Past and Present By our united efforts we pried off two of the volcanic rocks, which, with a great leap, disappeared into the darkness below, oftentimes appearing for an instant before rushing to the sea. Tales of the Malayan Coast From Penang to the Philippines In Lower Mesopotamia the hard volcanic rocks were chiefly used. A History of Art in Chaldæa & Assyria, v. 1 Bassas da India: This atoll is a volcanic rock surrounded by reefs and is awash at high tide. The 2001 CIA World Factbook Most of the world's diamonds come from the Kimberley and Transvaal fields of South Africa, where they are found in a much decomposed volcanic rock called "blue ground." The Economic Aspect of Geology Let it be observed, in the first place, that there is no hard and fast line between the varieties of igneous and volcanic rocks. Volcanoes: Past and Present Rivers are found only on the larger islands, where there are volcanic rocks. Two Years with the Natives in the Western Pacific They lie in cavities in the base of an overhanging cliff of grayish-yellow volcanic rock which at one time apparently were closed by protecting walls. The Book of the National Parks The series in the type area consists of the Hirnant limestone, a thin inconstant bed, which is separated by 1400 ft. of slates from the Bala limestone, below this are more slates and volcanic rocks. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Round the north and north-east margin there is a great development of volcanic rocks—lavas, tuffs and agglomerates—belonging to the Calciferous Sandstone series, and passing upwards into the Carboniferous Limestone. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" Gabbro.—A rather wide group of volcanic rocks with variable composition. Volcanoes: Past and Present A volcanic rock known as palagonite, and that most commonly occurring of all potash minerals—viz., felspar—have both been experimented with in this way with considerable success. Manures and the principles of manuring That seems a strange sentence; but the island itself is a circle, nearly; a band of volcanic rock, not very wide, enclosing a lake or lagoon within its compass. The Old Helmet, Volume II Specimens of the principal strata of these islands were collected, and on the return home put into the hands of Professor Jameson, of Edinburgh, who identified them as belonging to primary and volcanic rocks. Celebrated Travels and Travellers Part III. The Great Explorers of the Nineteenth Century The town of Lessa, between Rome and Naples, and not far from Gaeta, stands on an eminence composed of volcanic rocks. Complete Story of the San Francisco Horror Andesite.—This is a dark-coloured, compact or vesicular, semi-vitreous group of volcanic rocks, composed essentially of a glassy plagioclase felspar, and a ferro-magnesian constituent enclosed in a glassy base. Volcanoes: Past and Present Check this on your map of Interior of B. C. on 53° latitude at Quesnel, B. C. I see a geology map lists that district as sedimentary and volcanic rocks. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 On the other side was a small island, little more than a huge volcanic rock, with the gleaming white houses of a small town half-way to the summit. The Incomparable 29th and the "River Clyde" In all probability most of the gold now in use has been deposited by solution in quartz veins, the latter usually filling seams and crevices in granitic or volcanic rocks. Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges Then he spoke of the primitive forms in which minerals crystallized, the five-sided columns of volcanic rock, and the little cubes of gold. Life at Puget Sound: With Sketches of Travel in Washington Territory, British Columbia, Oregon and California Here too there well up from the volcanic rocks acidulous springs, at which invalids seek to regain health. The Voyage of the Vega round Asia and Europe, Volume I and Volume II The moisture coming from the roof has decorated the caverns with splendid stalactites and stalagmites, whilst, like many other volcanic rocks, the walls are of brilliant and harmonious colours. Chatterbox, 1906 As we sat and smoked beside a towering pinnacle of volcanic rock a raven went sailing past us, with his croak, croak. The Incomparable 29th and the "River Clyde" Several villages were discovered in this locality and many natural caves which had been utilized as dwellings by inclosing them in front with walls of volcanic rocks and cinders. Archeological Expedition to Arizona in 1895 Seventeenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1895-1896, Government Printing Office, Washington, 1898, pages 519-744 Ages rolled on; vegetation appeared as the volcanic rock disintegrated; crystal lakes were formed and rivers, fed by frequent rains and melting snows, flowed to the sea. Wealth of the World's Waste Places and Oceania At Saint Michael’s, they dig square holes in the volcanic rocks, and the vines find sustenance. Olla Podrida This stone is a volcanic rock called hornblende, of very fine grain, with minute specks of mica. Brittany & Its Byways The stones were of basalt, which is a volcanic rock, very permanent and durable in character, and as hard almost as iron. Rollo on the Rhine These curious six-sided columns of volcanic rock are similar to those bordering the Cowlitz Glacier. The Mountain that was 'God' Being a Little Book About the Great Peak Which the Indians Named 'Tacoma' but Which is Officially Called 'Rainier' Pointing upward to a bare shoulder of volcanic rock, Mauriri indicated the trail across its face. A Son Of The Sun The backbone of the island is near the western coast, and consists of a body of hard granitic and volcanic rock rising into mountains of two or three thousand feet in height. An Introduction to the Industrial and Social History of England They are both constructed on arid, volcanic rocks, which produce the smallest amount of verdure and reflect the greatest amount of heat; water in both of them is the scarcest of commodities. Southern Arabia We found the shore lined with black volcanic rocks, among which there was some difficulty in landing. In the Eastern Seas It is a mass of agglomerates, with only occasional strata of solid volcanic rock. The Mountain that was 'God' Being a Little Book About the Great Peak Which the Indians Named 'Tacoma' but Which is Officially Called 'Rainier' He trudged wearily on all night, and at dawn he was beside the high volcanic rocks at Çòtsosi, another place where his captors had halted with him. The Mountain Chant, A Navajo Ceremony Fifth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1883-84, Government Printing Office, Washington, 1887, pages 379-468 Night was near, so he halted when he came to an open spot, a place where volcanic rock precluded vegetable growth. Terry A Tale of the Hill People After walking for a mile or two up this valley all traces of life and cultivation cease, and amidst the volcanic rocks and boulders hardly a trace of vegetable life is to be seen. Southern Arabia He discovered the law of the superposition of stratified rocks, though he wrongly considered volcanic rocks, such as basalt, to be of aqueous origin, being as he supposed formed of chemical precipitates from water. Lamarck, the Founder of Evolution His Life and Work The guides brought the party to a halt upon a ledge of volcanic rock, from below which ran a sheer slide of hot cinders into the ravine. The Jolliest School of All In this spot, nature has thrown up mountains of volcanic rock, which hold the winter's snow in everlasting supply to quench the thirst of plant, of animal and millions of humans in the lower country. Evening Round Up More Good Stuff Like Pep I shall perhaps hereafter advert to this subject more at large, as the volcanic rocks have much to do with the needle in Canada West. Canada and the Canadians Volume I The promontories to the open sea are very fine: beetling cliffs of black, red, and green volcanic rocks, and here and there stand up rocky islets, the home of the cormorant and the bittern. Southern Arabia Then he attacks the notion of Leibnitz of a liquid globe, in which all mineral substances were precipitated tumultuously, replacing this idea by his chemical notion of the origin of the crystalline and volcanic rocks. Lamarck, the Founder of Evolution His Life and Work The bedded volcanic rocks which form a series of ridges trending north-west comprise porphyritic basalts, andesite, and, near Port Luchdach, brownish trachyte. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Five minutes later Mark, who was intently watching the volcanic rock, gave a loud cry. Under the Ocean to the South Pole Or, the Strange Cruise of the Submarine Wonder |
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