| 单词 | volcanic glass |
| 例句 | The knives were old things: the hilts were made of bone, while the blades were chipped, volcanic glass, black as jet, with white snowflake-shapes frozen forever into the obsidian. Stardust 1998-10-01T00:00:00Z At the Big Obsidian Flow, an eruption covered more than a square mile with volcanic glass, pumice and smooth, black obsidian. Lava lands add geologic ‘wow’ to Bend’s big attractions 2017-06-14T04:00:00Z He still occasionally works in obsidian, a black volcanic glass. A Glittering Honor for a Master of Glass 2021-10-07T04:00:00Z At Obsidian Cliff you can see a natural outcrop of black volcanic glass that Native Americans shaped into arrowheads. The glory of Yellowstone national park in winter 2016-02-19T05:00:00Z At Obsidian Cliff you can see a natural outcrop of black volcanic glass that Native Americans shaped into arrowheads Entering the park is an adventure in itself. The glory of Yellowstone national park in winter 2016-02-19T05:00:00Z The tiny drops of magma freeze to form volcanic glass. Smithsonian geologist digs up clues to Earth’s beginnings 2017-03-13T04:00:00Z Orata might be dressed in wheat bran that blackens on the grill until it gleams like volcanic glass. At Hamido Seafood, Let the Staff Be Your Guide 2020-02-28T05:00:00Z The focus of their attention is ancient obsidian, a volcanic glass formed as an igneous rock. Special Report: A Cut Above: Jewelry: Jewelers Attracted to Mysterious and Ancient Obsidian 2011-03-17T14:30:44Z The sword, also on display in the exhibit, is a flat wooden club with a groove where razor-sharp obsidian - a type of volcanic glass - would have been wedged in. Rare Aztec ritual offerings put on display in Mexico exhibit 2023-09-29T04:00:00Z In 2008, Brown University researchers revisited those lunar samples with new technology and found hydrogen inside tiny beads of volcanic glass. Why are space agencies racing to the moon's south pole? 2023-08-22T04:00:00Z It seems clear that their wealth was derived from trade in agricultural products, woven items, clay vessels, and especially obsidian, a naturally occurring volcanic glass. World History: to 1500 2023-04-19T00:00:00Z The geochemical fingerprint of the cliff’s volcanic glass has been found all around the West, as well as in Canada. Obsidian Cliff: Humanity’s Tool Shed for the Last 11,500 Years 2023-03-20T04:00:00Z This non-crystalline material is not classified as minerals but as volcanic glass. An Introduction to Geology 2017-01-01T00:00:00Z Lunar impacts kick up dust, which is made of microscopic shards of abrasive volcanic glass; in the Apollo era of the 1960s and ’70s, such dust caused countless problems for vehicles, instruments, and crew. The Moon could soon have a space junk problem 2022-02-22T05:00:00Z The hydrochloric acid and tiny particles of volcanic glass released into the air can cause skin, eye and respiratory tract irritation. Lava flowing into sea creates delta, expands Spanish island 2021-09-30T04:00:00Z Scientists say that the thermal shock results in the release of water vapor plumes loaded with hydrochloric acid and tiny particles of volcanic glass that can cause skin, eye and respiratory tract irritation. Scientists: Spanish volcano has entered ‘low activity’ phase 2021-09-27T04:00:00Z Within hours, if not minutes, the land would have been pummeled by black volcanic glass that rained from above, killing animals such as rhinoceroses, camels, and horses that roamed the region, and destroying plants. Biggest Ever Yellowstone Eruption Revealed 2020-06-15T04:00:00Z Obsidian is a rock consisting of volcanic glass. An Introduction to Geology 2017-01-01T00:00:00Z “It is one of the top five eruptions of all time," Knott explained, adding that the eruption "enameled an area the size of New Jersey in searing-hot volcanic glass that instantly sterilized the land surface.” Researchers discover Yellowstone supervolcano's 'largest and most cataclysmic event' 2020-06-08T04:00:00Z Items made of an unknown stone were found at the site, along with volcanic glass from Anatolia, which is in modern-day Turkey and sea-shells, both from the Mediterranean Sea and the Red Sea. Huge 9,000-year-old Stone Age settlement, one of the largest in the world, discovered in Israel 2019-07-16T04:00:00Z Formed by volcanic flows high in the mineral silica, volcanic glass from Obsidian Cliff was prized by native toolmakers for the production of razor-sharp knives, scrapers, and projectile points. How Yellowstone became the "most scientifically contested piece of ground in America" 2019-04-21T04:00:00Z Carved from obsidian, or volcanic glass, thousands of the triangular objects, known as mata'a, litter the surface of the island. Easter Island discovery: Experts unravel mystery of ancient statues 2018-10-10T04:00:00Z They resemble volcanic glass but, unlike volcanic glass, tektites contain no water or phenocrysts, and have a different bulk and isotopic chemistry. An Introduction to Geology 2017-01-01T00:00:00Z “It’s gone from beautiful Hawaiian water that is clear and turquoise, where you can see 50 to 60ft down, to a muddy mess filled with volcanic glass particles,” he said. 'The entire habitat is gone': Hawaii's natural wonders claimed by lava 2018-06-20T04:00:00Z "It creates a mixture of condensed acidic steam, hydrochloric acid gas and tiny shards of volcanic glass." As lava pours into the ocean from Hawaii's Kilauea, a new risk surfaces: laze 2018-05-22T04:00:00Z It is made of dense white clouds of steam, toxic gas and tiny shards of volcanic glass. Hawaii volcano generates toxic gas plume called laze 2018-05-21T04:00:00Z It reached the ocean to produce a caustic plume of acid fumes laced with fine volcanic glass specks. Madame Pele, Hawaii’s goddess of volcanoes, awes those living in lava’s path 2018-05-21T04:00:00Z Instead of bulky hand axes, the tools scattered throughout the site are small, finely crafted points carved from black volcanic glass called obsidian. Scientists find evidence of paint, complex tools and climate chaos at the dawn of humanity 2018-03-15T04:00:00Z New tools appeared at this time - small, sharp blades and points made from obsidian, a dark volcanic glass. Early humans 'influenced by climate' 2018-03-15T04:00:00Z The scientists found tiny shards of volcanic glass in the sediment at both sites. Humans 'thrived' after Toba eruption 2018-03-13T04:00:00Z With them, they brought food, metal, and the volcanic glass obsidian, among other raw materials. Advanced Plumbing and Metalwork Found on Ancient Greek Island 2018-01-18T05:00:00Z The villagers harvested wheat, raised sheep, goat and cattle, and used simple tools made of bone and volcanic glass called obsidian. Drinking age: oldest evidence of wine-making found near Tbilisi 2017-11-13T05:00:00Z The ground is twisted into ropelike coils, rippling waves and jagged spikes; sulfurous gases billow from vents in the ground, bits of volcanic glass glitter in faint sunlight that filters through the undulating fog. How NASA is rehearsing for a mission to Mars 2016-12-10T05:00:00Z One man’s skeleton was found with a sharp blade made of a volcanic glass called obsidian still embedded in his skull. Surprised? Humans have been killing each other for 10,000 years. 2016-01-25T05:00:00Z One man's skeleton was found with a sharp blade made of a volcanic glass called obsidian still embedded in his skull. Prehistoric massacre in Kenya called oldest evidence of warfare 2016-01-20T05:00:00Z The result is a volcanic glass with a smooth texture and very sharp edges. Strange Skills: The Flintknapper 2015-11-07T05:00:00Z The villagers harvested wheat, raised sheep, goat and cattle, and used simple tools made of bone and volcanic glass called obsidian. Drinking age: oldest evidence of wine-making found near Tbilisi 2017-11-13T05:00:00Z The green shoots are in a try of volcanic glass crystals under LED lights - and the tray is in a tunnel 33 meters underneath a busy London street. Underground and on rooftops, farms set roots in big cities 2015-01-08T05:00:00Z The storage tanks are double walled and a layer of volcanic glass is used as insulation between the walls. All clear at Washington state LNG plant after unexplained blast: Williams 2014-04-02T17:14:29Z It's acidic and contains tiny particles of volcanic glass. Lava flows to the ocean in Hawaii, creating rare natural show 2012-11-28T02:03:27Z The new method relies on deposits of cryptotephra, tiny particles of volcanic glass that are invisible to the naked eye. Neandertals Didn't Bite the Volcanic Dust 2012-07-23T20:05:00Z And Ee-ee-toy took the knife which he had made from the volcanic glass, obsidian, and cut Vandaih’s throat, and beheaded him, and threw his head eastward & his body westward. Aw-Aw-Tam Indian Nights Being the myths and legends of the Pimas of Arizona 2011-11-21T03:00:13.817Z 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 Slice of volcanic glass under the microscope, showing large included crystals brought up from inside the volcano in the fluid lava. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z Lysons describes it as a round piece of volcanic glass finely polished—some one calls it Kennel coal. Amenities of Literature Consisting of Sketches and Characters of English Literature 2011-06-03T02:00:19.227Z Back then, they looked at tiny beads of volcanic glass — the beads were about the size of periods in printed text — in soil brought back by Apollo astronauts. Evidence of Water Beneath Moon?s Stony Face 2011-05-26T18:42:19Z The samples were collected from the windscreen of a car in Aberdeen Scientists in Aberdeen have released pictures of volcanic glass particles from Iceland which fell in the city. Images show ash cloud particles 2011-05-26T10:46:21Z But in 2008, an analysis of a handful of lunar volcanic glass beads suggested they might have formed in a watery environment. All Wet, or High and Dry? 2010-08-09T14:55:00Z A slice of volcanic glass showing the lines of crystallites and microliths which are the beginnings of crystals. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z The device looks for volcanic silicates - the tiny pieces of volcanic glass and rocks so deadly for jet engines - which absorb infrared radiation, thus allowing air traffic controllers to reroute. Weird science versus the volcano 2010-05-19T10:29:00Z There are no modern-day precedents for an ash cloud — made of fine, abrasive bits of rock and volcanic glass — covering much of Europe. After the Ash: What Europe Can Learn from the Crisis 2010-04-22T17:25:00Z He had taken a bad cut on one hip from a serrated spike of volcanic glass against which he had stumbled. The Thing in the Attic The walls glistened with the sparkling smoothness of volcanic glass. Astounding Stories, April, 1931 In fact, if you take this piece of obsidian or volcanic glass in your hand, you might think that it had come out of an ordinary glass manufactory and had nothing remarkable in it. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z Where the breastplate ends at the throat he struck, and the blade of volcanic glass cut through the flesh. The Flute of the Gods Three or four specimens of other kinds of implements fashioned from this volcanic glass were picked up on the surface of the mounds. 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 Log fires were built along the base, and when the volcanic glass was hot cold water was thrown upon it. Wealth of the World's Waste Places and Oceania “Then that pool down there, if emptied out, would run like the volcanic glass we have found below?” Jack at Sea All Work and no Play made him a Dull Boy The volcanic glass broke up with edges as sharp as a razor.” King o' the Beach A Tropic Tale “I’m blest!” cried Smith, throwing down the piece of volcanic glass, and dabbing at his nose, whose side was bleeding slightly. Fire Island Being the Adventures of Uncertain Naturalists in an Unknown Track The finest arrows were furnished with points made of obsidian, or volcanic glass, which was obtained in the vicinity of Mono Lake on the eastern side of the Sierras. Indians of the Yosemite Valley and Vicinity Their History, Customs and Traditions On the route we pass by Obsidian Cliff, sometimes called Obsidian Mountain, which is an immense mass of black volcanic glass. Wealth of the World's Waste Places and Oceania This mountain of volcanic glass was, therefore, the great Indian armory; and as such it was neutral ground. John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Canon of the Colorado River; Yellowstone National Park Women cut themselves with sharp sea-shells or flakes of volcanic glass till the blood ran down. The Long White Cloud We have here found our first specimens of petrifactions and obsidian, or volcanic glass. The Discovery of Yellowstone Park It was obsidian—volcanic glass of pale emerald, unflawed, translucent, with no sign of block or juncture. The Moon Pool A boulder of this volcanic glass was packed from some mountainous districts and pieces were cracked off and exchanged for dried fish, venison, or weapons. Hunting with the Bow and Arrow The southern end is formed of volcanic glass, or obsidian, as true a glass as any artificially produced. My Native Land The United States: its Wonders, its Beauties, and its People; with Descriptive Notes, Character Sketches, Folk Lore, Traditions, Legends and History, for the Amusement of the Old and the Instruction of the Young I found a mass of crystals of the greenish volcanic glass, called olivine, imbedded in a piece of phonolite which looked as blue and fresh as if only quarried yesterday. The Hawaiian Archipelago Among those of Iceland is found the beautiful black volcanic glass named obsidian. Wonders of Creation Opened a wide plaza paved with the volcanic glass, but black as that down which we had sped from the chamber of the Moon Pool. The Moon Pool In thin slices of volcanic glass one may see under the microscope the beginnings of crystal growth in filaments and needles and feathery forms, which are the rudiments of the crystals of various minerals. The Elements of Geology She fell to searching for the cause and presently discovered it in one of the fragments of volcanic glass which revealed an edge that was almost razor-like. Tarzan the Terrible And they are, I may tell you, just like the tools of flint, or of obsidian, which is volcanic glass, and which savages use still where they have not iron. Madam How and Lady Why Among the treasures she had gathered in the bed of the stream were several pieces of volcanic glass, clear as crystal. Tarzan the Terrible |
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