| 单词 | volcanism |
| 例句 | “I had the first evidence of active volcanism beyond Earth,” she says, beaming. Review: A True-Life Journey Into Interstellar Space in ‘The Farthest’ 2017-08-10T04:00:00Z From fire and brimstone to killer plumes and dinosaurs, it explores claims that, he writes, “volcanism shaped prehistoric and historic social trajectories.” Review: ‘Into the Inferno,’ Staring Down the Terrors of Nature 2016-10-27T04:00:00Z “Icelandic Volcanoes” makes it clear that the 2010 eruption of the near-unpronounceable volcano was small potatoes as far as Icelandic volcanism goes. ‘Life on Fire’: living with volcanoes 2012-12-28T21:55:18Z Note: For those unable to get enough of Icelandic volcanism, PBS is airing its Iceland-centric Nova episode, “Doomsday Volcanoes,” at 9 p.m. ‘Life on Fire’: living with volcanoes 2012-12-28T21:55:18Z Only a chapter on undersea volcanism really explores the natural world. A boatload of ideas are packed into Simon Winchester's literary cruise across Pacific Rim's recent history 2015-11-20T05:00:00Z Mount St. Helens’ eruptive history began roughly 40,000 years ago with dacitic volcanism, behavior that tends to be explosive and yields large amounts of ash and pumice. 400 earthquakes recorded under Mount St. Helens since mid-July 2023-11-07T05:00:00Z Magnetic fields can also reveal the overall cooling history of a planetary body, which can, in turn, affect its volcanism and its tectonic regime. Removal of magnetic spacecraft contamination within extraterrestrial samples easily carried out, researchers say 2023-10-11T04:00:00Z Volcanic ash, by the nature of its voluminous production, atmospheric transport and deposition into every known ecosystem, is the most interdisciplinary aspect of volcanism. Volcanic ash effects on Earth systems 2023-10-04T04:00:00Z The planet’s landmasses are expected to form a supercontinent, driving volcanism and increases to carbon dioxide levels that will leave most of its land barren. Pangaea Ultima, the Next Supercontinent, May Doom Mammals to Far-Future Extinction 2023-09-27T04:00:00Z There was great natural warming driven by unusually active volcanism that loaded the atmosphere with carbon dioxide. Our Fragile Earth: How Close Are We to Climate Catastrophe? 2023-09-26T04:00:00Z Runaway global warming triggered by calamitous volcanism in Siberia inflicted the worst mass extinction on record at the end of the Permian Period, dooming perhaps 90% of Earth's species. Long before whales, pioneering marine reptile was a filter-feeder 2023-08-08T04:00:00Z The outburst may result from a rare case of icy volcanism on a comet—uncorked by solar heating of volatile gases trapped under cometary crusts. ‘Millennium Falcon’ Comet Sprouts Icy Wings as It Loops around the Sun 2023-07-26T04:00:00Z The peninsula’s subterranean bedlam seems to manifest as periodic busts of volcanism. Iceland has entered a new volcanic era 2023-07-24T04:00:00Z Evidence of active volcanism on Venus was discovered earlier this year, in archive data from NASA's Magellan mission to the second planet from the sun. The Most Intense Lightning Storm Ever Recorded Was Sparked by the Hunga Tonga Eruption 2023-06-21T04:00:00Z The samples of mantle will also help researchers understand how magma melts out of the mantle and rises through the crust to drive volcanism, Lissenberg says. At long last, ocean drillers exhume a bounty of rocks from Earth’s mantle 2023-05-25T04:00:00Z Runaway global warming triggered by calamitous volcanism in Siberia inflicted the worst mass extinction on record - dooming perhaps 90% of species - roughly 252 million years ago at the end of the Permian Period. South Korea cancels third launch of homegrown rocket due to technical problems 2023-05-24T04:00:00Z "There are still many unknowns regarding volcanism and how long a planet can maintain outgassing processes," Kane said, referring to the release of trapped gas that occurs with eruptions. Earth-sized alien planet gripped by widespread volcanism 2023-05-17T04:00:00Z They suggest a surprising amount of volcanism in a region once thought to be magma starved, Gaina says. “It's just mind boggling.” More than 19,000 undersea volcanoes discovered 2023-04-18T04:00:00Z However, volcanism is plentiful on the Jupiter moon Io, while forms of cryovolcanism occur on the Saturn moon Enceladus and possibly also the Jovian satellite Europa. The Most Intense Lightning Storm Ever Recorded Was Sparked by the Hunga Tonga Eruption 2023-06-21T04:00:00Z Large-scale volcanism on Mars started before the planet was even a billion years old and was active for roughly a billion years thereafter. Volcanic Activity on Mars Upends Red Planet Assumptions 2023-03-22T04:00:00Z Hensley offered the possibility that Venus' behavior could be due to "episodic volcanism where periods of intense activity, and interspersed with periods of dormancy whereas another has steady rate of volcanism." Only two solar system bodies have active volcanoes. Make that three. 2023-03-22T04:00:00Z The planet's volcanism was not directly observed but rather inferred due to its significant gravitational interaction with the larger of the two other planets orbiting the dim star. Earth-sized alien planet gripped by widespread volcanism 2023-05-17T04:00:00Z “The whole subject of whether there is active volcanism on the surface of Venus suffers from a lack of data,” she adds. Volcanoes on Venus? ‘Striking’ Finding Hints at Modern-Day Activity 2023-03-17T04:00:00Z Besides breaking records in the present day, the Hunga Tonga eruption could also teach us about volcanism on the early Earth, and even potentially on other celestial bodies. The Most Intense Lightning Storm Ever Recorded Was Sparked by the Hunga Tonga Eruption 2023-06-21T04:00:00Z Until recently, scientists considered that the end of the story of volcanism on the Red Planet. Volcanic Activity on Mars Upends Red Planet Assumptions 2023-03-22T04:00:00Z In other words, the volcanism club has expanded its membership roll. Only two solar system bodies have active volcanoes. Make that three. 2023-03-22T04:00:00Z But hints of volcanism have mounted recently, and now comes the best one yet: direct evidence for an eruption. Active volcano on Venus shows it’s a living planet | Science | AAAS 2023-03-14T04:00:00Z Large-scale volcanism started before Mars was even a billion years old, and were active for roughly a billion years thereafter. Volcanic Activity on Mars Upends Red Planet Assumptions 2023-01-05T05:00:00Z Scientists had suspected that somewhere below Hawaii, a secret was entombed in stone — something that plays a leading role in influencing the island chain’s famous volcanism. ‘Mind-blowing’ network of magma chambers found under Hawaii’s volcanoes 2022-12-22T05:00:00Z In this belt, tectonic plates collide and push under one another in a series of subduction zones, giving rise to both earthquakes and volcanism. How Water Made Fire in an Indonesian Volcano 2022-12-06T05:00:00Z So, the magma is less prone to clog volcanic vents on its ascent, which would ultimately lead to more explosive volcanism. Why Mauna Loa and Other Hawaiian Volcanoes Are Different from Most 2022-12-01T05:00:00Z Instead of being a dead cratered world, Io turns out to have the highest level of volcanism in the solar system, greatly exceeding that of Earth. Astronomy 2016-10-13T00:00:00Z Until recently scientists considered that the end of the story of volcanism on the Red Planet. Volcanic Activity on Mars Upends Red Planet Assumptions 2023-01-05T05:00:00Z Like much of the planet, Hawaii would not exist without volcanism. ‘Mind-blowing’ network of magma chambers found under Hawaii’s volcanoes 2022-12-22T05:00:00Z Continuing subduction along the coast has generated ongoing volcanism and earthquake activity in southwestern B.C. Physical Geology 2015-01-01T00:00:00Z The volcanism on the overlying oceanic plate may remain hidden underwater.. An Introduction to Geology 2017-01-01T00:00:00Z The Galileo data show that most of the volcanism on Io consists of hot silicate lava, like the volcanoes on Earth. Astronomy 2016-10-13T00:00:00Z Like all volcanism, the process would have released CO2. Hidden carbon layer may have sparked ancient bout of global warming 2022-06-23T04:00:00Z The finds were a bonanza to planetary scientists, because unlike the earth — which is constantly morphing in the thrall of weather, tectonic shifts, volcanism and such — the moon has been dead since infancy. The surprising voyage of Charlie Duke: An astronaut reaches for heaven 2022-04-21T04:00:00Z Systematic variations in the composition of volcanism over the past several thousand years at Mt. Physical Geology 2015-01-01T00:00:00Z If the volcanoes rise high enough the reach the ocean surface, the chain of volcanism forms an island arc. An Introduction to Geology 2017-01-01T00:00:00Z What we do know is that the major mare volcanism, which involved the release of lava from hundreds of kilometers below the surface, ended about 3.3 billion years ago. Astronomy 2016-10-13T00:00:00Z Meanwhile, the volcanism has not been precisely dated. Hidden carbon layer may have sparked ancient bout of global warming 2022-06-23T04:00:00Z One leading theory, based on satellite observations, suggested that heat-producing radioactive elements such as potassium and thorium found in the lunar mantle might have driven the volcanism. China’s First Moon Rocks Ignite Research Bonanza 2022-03-17T04:00:00Z This volcanism, which covered an area of about 160,000 km2 with basaltic rock up to several hundred metres thick, took place between 17 and 14 Ma. Physical Geology 2015-01-01T00:00:00Z Collision zones are characterized by tall, non-volcanic mountains; a broad zone of frequent, large earthquakes; and very little volcanism. An Introduction to Geology 2017-01-01T00:00:00Z The Moon, the smallest of the terrestrial worlds, was internally active until about 3.3 billion years ago, when its major volcanism ceased. Astronomy 2016-10-13T00:00:00Z Dr. Whiteside described the discovery of clues in rocks of England’s Blue Lias Formation, which emerged in the wake of the volcanism. Dissolving in Toxic Oceans: How an Ancient Extinction Happened 2022-02-03T05:00:00Z Instead, he wanted to spread the gospel of volcanism to the masses that think of them only as portents of doom. Review | The importance of volcanoes, on Earth and beyond 2021-12-29T05:00:00Z What might be the explanation for southwestern B.C. having much less subduction-related volcanism than adjacent Washington and Oregon? Physical Geology 2015-01-01T00:00:00Z These undersea rift volcanoes produce more lava than all other types of volcanism combined. An Introduction to Geology 2017-01-01T00:00:00Z Its crust consists of 75% lowland lava plains, numerous volcanic features, and many large coronae, which are the expression of subsurface volcanism. Astronomy 2016-10-13T00:00:00Z “The likelihood of there being no active volcanism on Venus must be functionally zero,” says Byrne. Strange signals on Venus may be coming from an erupting volcano 2021-11-26T05:00:00Z In its second half, the book dives deep into the nature of extraterrestrial volcanism. Review | The importance of volcanoes, on Earth and beyond 2021-12-29T05:00:00Z As discussed in the context of subduction- related volcanism in Chapter 4, the significant volume of water within the subducting material is released as the subducting crust is heated. Physical Geology 2015-01-01T00:00:00Z Despite this, most mid- oceanic ridge volcanism remains unmapped because the volcanoes are located deep on the ocean floor. An Introduction to Geology 2017-01-01T00:00:00Z In moving inward toward Jupiter from Callisto to Io, we have encountered more and more evidence of geological activity and internal heating, culminating in the violent volcanism on Io. Astronomy 2016-10-13T00:00:00Z “The likelihood of there being no active volcanism on Venus must be functionally zero” While there’s no direct evidence of active volcanism on Venus, there are several indirect clues. Strange signals on Venus may be coming from an erupting volcano 2021-11-26T05:00:00Z Yet soon other scientists had cast doubt on the validity of those measurements, and had postulated the gas—if it was there at all—was from some strange-but-lifeless form of Venusian volcanism. Life Is Complicated—Literally, Astrobiologists Say 2021-11-23T05:00:00Z At around 15 Ma, subduction-related volcanism between central and South America created the connection between North and South America, preventing water from flowing between the Pacific and Atlantic Oceans. Physical Geology 2015-01-01T00:00:00Z In rare cases, such as a few locations in Iceland, rift zones display the type of volcanism, spreading, and ridge formation found on the ocean floor. An Introduction to Geology 2017-01-01T00:00:00Z The forces of volcanism and mountain building are driven by heat escaping from the interiors of planets. Astronomy 2016-10-13T00:00:00Z If they are rocky bodies—super-Earths—their atmosphere should reflect geological processes, like volcanism, that often spew molecules such as methane or ammonia. On the launch pad at last, NASA’s Webb telescope will probe first stars and weather on alien worlds 2021-11-11T05:00:00Z That suggests, they say, that nonbird dinosaurs had already perished 1 million or so years before the asteroid, perhaps in the wake of bursts of volcanism. Dinosaurs thrived until the moment asteroid hit, excavators of controversial site claim 2021-10-22T04:00:00Z Natural climate forcings, which have operated throughout geological time, include solar evolution and cycles, continental drift, continental collisions and mountain building, volcanism, orbital variations, and ocean current cycles. Physical Geology 2015-01-01T00:00:00Z As the ridge continues to spread, the lithosphere material is pulled away from the area of volcanism and becomes colder and denser. An Introduction to Geology 2017-01-01T00:00:00Z All of the volcanism is the result of eruption of lava onto the surface of the planet. Astronomy 2016-10-13T00:00:00Z But such impact-driven volcanism typically occurs on the opposite side of the moon or planet from the impact point, a spot called the antipode. China’s Moon rocks reveal puzzlingly persistent volcanic eruptions 2021-10-19T04:00:00Z Alternatively they may be pancakelike layers of lava, perhaps remnants of the ancient global volcanism that destroyed the sky. NASA Just Broke the ‘Venus Curse’: Here’s What It Took 2021-08-17T04:00:00Z Most volcanic eruptions lead to short-term cooling, but long-term sustained volcanism can lead to warming. Physical Geology 2015-01-01T00:00:00Z Depending on the properties of the lava that is erupted, the volcanism can be drastically different, from smooth and gentle to dangerous and explosive. An Introduction to Geology 2017-01-01T00:00:00Z Many of the granite mountain ranges on Earth, such as the Sierra Nevada in California, involve such subsurface volcanism. Astronomy 2016-10-13T00:00:00Z But the age is also a surprise to scientists who thought that lunar volcanism tapered off rapidly 3 billion years ago, as the Moon’s interior cooled. China’s Moon rocks reveal puzzlingly persistent volcanic eruptions 2021-10-19T04:00:00Z The second mission concept was Trident, which would have headed to Neptune’s moon Triton, a relic of the outermost solar system kept puzzlingly youthful by some scarcely glimpsed form of icy volcanism. NASA Just Broke the ‘Venus Curse’: Here’s What It Took 2021-08-17T04:00:00Z Since most mantle plumes are beneath the oceans, the early stages of volcanism typically take place on the sea floor. Physical Geology 2015-01-01T00:00:00Z Because volcanism presents serious hazards to human civilization, geologists carefully monitor volcanic activity to mitigate or avoid the dangers it presents. An Introduction to Geology 2017-01-01T00:00:00Z In discussing Earth’s geology earlier in this chapter, we dealt only with the effects of internal forces, expressed through the processes of plate tectonics and volcanism. Astronomy 2016-10-13T00:00:00Z “The combined results of EnVision and our Discovery missions will tell us how the forces of volcanism, tectonics and chemical weathering joined together to create and sustain Venus’ runaway hothouse climate.” Venus Wins Stunning Third New Mission, This Time from Europe 2021-06-12T04:00:00Z Phosphine can be made by volcanism and lightning, but it can also be made by microbes, which raised the possibility that this discovery was indirect evidence of alien life. NASA Just Broke the ‘Venus Curse’: Here’s What It Took 2021-08-17T04:00:00Z The water they contain is critical to plate tectonics, to volcanism, and of course, to life on Earth. Physical Geology 2015-01-01T00:00:00Z A significant exception to this is active volcanoes, which are discussed in a later section on volcanism. An Introduction to Geology 2017-01-01T00:00:00Z Io’s active volcanism was discovered by the Voyager spacecraft. Astronomy 2016-10-13T00:00:00Z Alternatively, they may be pancakelike layers of lava, perhaps remnants of the ancient global volcanism that destroyed the sky. Is NASA about to Lift the ‘Venus Curse?’ 2021-06-02T04:00:00Z But all three could help constrain the other planetary processes that can make phosphine, from volcanism to atmospheric alchemy. NASA Just Broke the ‘Venus Curse’: Here’s What It Took 2021-08-17T04:00:00Z The mantle and crustal processes that take place in areas of volcanism are illustrated in Figure 4.4. Physical Geology 2015-01-01T00:00:00Z Crater Lake, Yellowstone, and the Long Valley Caldera are good examples of this type of volcanism. An Introduction to Geology 2017-01-01T00:00:00Z On the surfaces of solid worlds, mountains can result from impacts, volcanism, or uplift. Astronomy 2016-10-13T00:00:00Z The second mission concept is Trident, which would head to Neptune’s moon Triton, a relic of the outermost solar system kept puzzlingly youthful by some scarcely glimpsed form of icy volcanism. Is NASA about to Lift the ‘Venus Curse?’ 2021-06-02T04:00:00Z The way a planet loses heat can profoundly shape its surface, governing everything from lava-spewing, atmosphere-changing volcanism to the tectonic heaves that thrust up tall mountains and carve out deep basins. NASA Ends Efforts to Deploy Mars InSight's 'Mole' 2021-01-20T05:00:00Z There is spreading-ridge volcanism taking place about 200 km offshore from the west coast of Vancouver Island. Physical Geology 2015-01-01T00:00:00Z Yellowstone volcanism started about 17-million years ago as a hotspot under the North American lithospheric plate near the Oregon/Nevada border. An Introduction to Geology 2017-01-01T00:00:00Z The specimens may also help scientists test hypotheses about what caused the volcanism evident in the region of the moon where Chang’e-5 landed. China Lands Chang’e-5 Spacecraft on Moon to Gather Lunar Rocks and Soil 2020-12-01T05:00:00Z Phosphine can be made by volcanism and lightning, but it can also be made by microbes, which raises the possibility that this discovery was indirect evidence of alien life. Is NASA about to Lift the ‘Venus Curse?’ 2021-06-02T04:00:00Z But volcanism on its own didn’t cause the extinction. Burning Fossil Fuels Helped Drive Earth’s Most Massive Extinction 2020-11-18T05:00:00Z The relationships between plate tectonics and volcanism are shown on Figure 4.3. Physical Geology 2015-01-01T00:00:00Z Idaho’s Snake River Plain was created from volcanism that produced a series of calderas and lava flows. An Introduction to Geology 2017-01-01T00:00:00Z There is also a spacecraft currently orbiting Venus: Japan’s Akatsuki mission, which entered orbit in 2015 and is studying Venus’s weather and searching for volcanism. Life on Venus? Scientists hunt for the truth 2020-10-01T04:00:00Z But both could help constrain the other processes that can make phosphine, from volcanism to atmospheric alchemy. Is NASA about to Lift the ‘Venus Curse?’ 2021-06-02T04:00:00Z Greaves said the researchers examined potential non-biological sources such as volcanism, meteorites, lightning and various types of chemical reactions, but none appeared viable. Potential sign of alien life detected on inhospitable Venus 2020-09-14T04:00:00Z In general, there has been a much lower rate and volume of volcanism in the B.C. part of this belt than in the U.S. part. Physical Geology 2015-01-01T00:00:00Z Depressions and sometimes volcanism develop in the releasing bend, along the fault. An Introduction to Geology 2017-01-01T00:00:00Z Around the same time, another great civilization was also feeling the effects of volcanism, including the Okmok eruption. Ancient Rome Was Teetering. Then a Volcano Erupted 6,000 Miles Away. 2020-06-22T04:00:00Z But Chiarenza said he expected debate to continue, adding proponents of the volcanism theory were likely to push back. Dinosaurs wiped out by asteroid, not volcanoes, researchers say 2020-06-29T04:00:00Z In the Turkana Basin and in the larger rift valley to which it belongs, their efforts are greatly aided by a long history of volcanism. The Meaning of Time in the Place where Humanity's Earliest Ancestors Arose 2020-06-27T04:00:00Z While B.C. is not about to split into pieces, two areas of volcanism are related to rifting — or at least to stretching-related fractures that might extend through the crust. Physical Geology 2015-01-01T00:00:00Z Interplate volcanoes are located at active plate boundaries created by volcanism at mid- ocean ridges, subduction zones, and continental rifts. An Introduction to Geology 2017-01-01T00:00:00Z Quick, who specializes in volcanism and ocean worlds, and the other researchers looked at exoplanets similar in size to Earth, including a group of seven in the TRAPPIST-1 system, 39 light-years from Earth. Milky Way Galaxy could have 'ocean worlds' all over, NASA says 2020-06-22T04:00:00Z There was no evidence for volcanism or a giant impact, but one alluring clue was seen in the rapid formation and disappearance of rock deposits associated with glaciers, Sallan says. No asteroids or volcanoes needed: ancient mass extinction tied to ozone loss, warming climate 2020-05-27T04:00:00Z "Rocks on Earth are constantly being recycled, but the moon doesn't exhibit plate tectonics or volcanism, allowing older rocks to be preserved," explained Dr. Lee White, Hatch Postdoctoral Fellow at the ROM, in the statement. Giant meteorite impacts formed parts of moon's crust, scientists reveal 2020-05-12T04:00:00Z What are the three main tectonic settings for volcanism on Earth? Physical Geology 2015-01-01T00:00:00Z Because subduction volcanism occurs in a volcanic arc, the thickened crust promotes partial melting and magma differentiation. An Introduction to Geology 2017-01-01T00:00:00Z Despite the depth of the trench, subduction here isn't causing active volcanism. Why Puerto Rico’s Tectonic Setting Makes Earthquakes Inevitable 2020-05-10T04:00:00Z This mission would get a closer look at Io’s extreme volcanism and try to understand more about the moon’s structure. NASA’s next science missions will head for Venus, Io, or Triton 2020-02-13T05:00:00Z The volcanism, Dr. Hull explained, stopped seeping carbon dioxide into the atmosphere some 200,000 years before the Cretaceous ended and the age of mammals began. Meteorite or Volcano? New Clues to the Dinosaurs’ Demise 2020-01-16T05:00:00Z This can happen during prolonged periods of greater than average volcanism. Physical Geology 2015-01-01T00:00:00Z Since most mantle plumes are located beneath the oceanic lithosphere, the early stages of intraplate volcanism typically take place underwater. An Introduction to Geology 2017-01-01T00:00:00Z Was it the asteroid or colossal volcanism that initiated the demise of the dinosaurs 66 million years ago? Dinosaur extinction: 'Asteroid strike was culprit' 2020-01-17T05:00:00Z The giant pit gradually fills with water and sediment, but it remains a clear scar created by astonishing volcanism. Eruption of Taal in the Philippines is a warning about global volcano hazards 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 Some deposits form through processes within a magma chamber, others during volcanism or adjacent to a stock, and some are related to sedimentary processes. Physical Geology 2015-01-01T00:00:00Z The Mammoth Mountain Ski Resort in California, is located within the Long Valley Caldera, is one such area of carbon dioxide-producing volcanism. An Introduction to Geology 2017-01-01T00:00:00Z But the new research from Southampton University's Prof Wilson, and colleagues from elsewhere in Europe and the US, indicates there is a mismatch in both the effect and timing of the volcanism's influence. Dinosaur extinction: 'Asteroid strike was culprit' 2020-01-17T05:00:00Z For this intriguing exploration of volcanism and viniculture, Charles Frankel scoured geologically active regions to trace how soils and landforms shape local wines. A heliocentric epic, volcanic viniculture, and cartoon chemistry: Books in brief 2019-12-09T05:00:00Z It is the most tantalizing evidence yet for active volcanism.” Venus may be the only other planet with active volcanoes 2020-01-04T05:00:00Z The fluctuations are likely driven by changes in atmospheric and oceanic circulation and volcanism, the scientists suggest. In the Blue Holes of the Bahamas, Secrets of Hurricanes Past 2019-11-01T04:00:00Z In rare cases, volcanism may create a sudden emission of gases without warning. An Introduction to Geology 2017-01-01T00:00:00Z For a long time, it was not clear if the marine mass extinction stemmed from changes wrought by the volcanism or by the asteroid. The Dinosaur-Killing Asteroid Acidified the Ocean in a Flash 2019-10-21T04:00:00Z “Our data suggest that impact, not volcanism, was key in driving end-Cretaceous mass extinction,” the authors state in the study. Dinosaurs became extinct from the same horrifying conditions plaguing our oceans 2019-10-22T04:00:00Z "Our data suggest that impact, not volcanism, was key in driving end-Cretaceous mass extinction," the study's abstract states. Asteroid that wiped out dinosaurs turned oceans into acid, shocking study says 2019-10-22T04:00:00Z Changes in atmospheric and oceanic circulation and volcanism are possible culprits, the researchers suggest. In the Blue Holes of the Bahamas, Secrets of Hurricanes Past 2019-11-01T04:00:00Z Tectonic shifts in the west caused volcanism but eventually changed the long-standing subduction zone into a transform boundary. An Introduction to Geology 2017-01-01T00:00:00Z They looked at detailed images of the craters and they saw what they suspected was widespread volcanism on the near side of the moon. Do we owe our existence to the Moon? 2019-10-13T04:00:00Z But there are competing explanations for the volcanism, and the new eruption will intensify the debate. Ship spies largest underwater eruption ever 2019-05-21T04:00:00Z Although its products have yet to be directly observed, it is already clear that this flavor of volcanism is like nothing scientists have ever encountered. NASA to Seek Iron-Spewing Volcanoes at Psyche 2019-04-25T04:00:00Z For many years, scientists believed that the KT extinction was no great mystery: over millions of years, volcanism, climate change, and other events gradually killed off many forms of life. The Day the Dinosaurs Died 2019-03-29T04:00:00Z During much of Earth’s history, the geological carbon cycle has been balanced, with carbon being released by volcanism at approximately the same rate that it is stored by the other processes. An Introduction to Geology 2017-01-01T00:00:00Z But the notion that Venus has essentially been "dead" since an outpouring of volcanism hundreds of millions of years ago is incorrect in the view of a growing number of researchers. Venus results raise hopes of return mission 2019-03-22T04:00:00Z Earth’s surface is dotted with impact craters from the past billion years, but old craters are rarer than younger ones, a bias attributed to the crust-eating churn of plate tectonics, volcanism, and erosion. Moon’s craters reveal recent spike in outer space impacts on Earth 2019-01-17T05:00:00Z As Brandon Johnson, an assistant professor of planetary sciences at Brown University, puts it, this style of heavy-metal eruption is like “turning the volcanism up to eleven.” NASA to Seek Iron-Spewing Volcanoes at Psyche 2019-04-25T04:00:00Z They also looked for declines in volcanism, which might have cooled the climate. Rise of carbon dioxide–absorbing mountains in tropics may set thermostat for global climate 2018-12-28T05:00:00Z This can happen during prolonged stretches of greater than average volcanism. An Introduction to Geology 2017-01-01T00:00:00Z The observation suggested that instead of ending a billion years ago, volcanism—a sign of interior heat—persisted until a few million years ago, smoothing the landscape. NASA to pay private space companies for moon rides 2018-11-19T05:00:00Z However, much remains unknown about cryovulcanism, especially compared with regular volcanism. Giant Ice Volcanoes Once Covered Dwarf Planet Ceres 2018-09-19T04:00:00Z “Mercury is our main example of why this volcanism works,” says Abrahams. NASA to Seek Iron-Spewing Volcanoes at Psyche 2019-04-25T04:00:00Z A growing body of evidence also suggests that volcanism and meteoritic impacts each could have triggered hydrothermal systems within the Martian crust. Forget the Moon 2018-08-17T04:00:00Z At around 15 Ma, subduction-related volcanism between Central and South America created the Isthmus of Panama that connected North and South America. An Introduction to Geology 2017-01-01T00:00:00Z And it's quite possible that some of the volcanism on distant worlds is driven not by plate tectonics or tidal friction, but sunlight. The Very Best Book for a New Volcano Lover 2018-07-29T04:00:00Z Beyond the practical, though, these partnerships between volcanism and the atmosphere are simply stunning to see. Photo Gallery: How Kilauea--and other Volcanoes--Produce Amazing and Frightful Weather 2018-07-27T04:00:00Z In Hawaiian tradition the fire and volcano goddess Pele is thought to occupy the youngest and most active center of volcanism. Hawaii Volcano Terms Explained [Slide Show] 2018-06-12T04:00:00Z Did a killer rock and volcanism deliver a one-two punch to the dinosaurs? The catastrophe that killed the dinosaurs created a global hothouse for 100,000 years, study says 2018-05-24T04:00:00Z The molten magma is more buoyant than the lithospheric plate above it and migrates to the Earth’s surface where it emerges as volcanism. An Introduction to Geology 2017-01-01T00:00:00Z The natural history of Wallacea is complicated, and heavily dictated by geological forces such as plate tectonics and volcanism. Wallace’s enigma: how the island of Sulawesi continues to captivate biologists 2018-05-17T04:00:00Z “About a thousand miles away, there’s been volcanism within the last one to 10 million years,” Smrekar says. Are Marsquakes Anything Like Earthquakes? NASA Is About to Find Out. 2018-05-04T04:00:00Z The rupture process is often accompanied by seismic activity and volcanism. A huge crack provides evidence that Africa is slowly splitting into two 2018-04-06T04:00:00Z Halevy, I. & Head, J. W. Episodic warming of early Mars by punctuated volcanism. Timing of oceans on Mars from shoreline deformation 2018-03-18T04:00:00Z Without subduction, there is no magma formation and no volcanism. An Introduction to Geology 2017-01-01T00:00:00Z Two-thirds of the extinctions within the region actually occurred after the onset of volcanism and before the impact. Volcanoes, Then an Asteroid, Wiped Out the Dinosaurs 2018-02-07T05:00:00Z “To see this change in an interglacial period indicates that there’s an even more subtle relationship between climate change and volcanism” than scientists previously thought. Get Ready for More Volcanic Eruptions as the Planet Warms 2017-12-21T05:00:00Z Prehistoric creatures learned to adapt to the turbulent climate until the Permian extinction, which Gulbranson says was most likely caused by volcanism in present-day Siberia. Antarctica Was Once Covered in Forests. We Just Found One That Fossilized. 2017-11-15T05:00:00Z The Burgess et al paper is a crucial step towards a new understanding of the role of volcanism in driving extinctions. Underground magma triggered Earth’s worst mass extinction with greenhouse gases | Howard Lee 2017-08-01T04:00:00Z Some transform boundaries produce significant seismic activity, primarily as earthquakes, with very little mountain-building or volcanism. An Introduction to Geology 2017-01-01T00:00:00Z “There is an urgent need to determine the precise age and composition of the Moon's youngest volcanism,” says James Head, a specialist in planetary exploration at Brown University in Providence, Rhode Island. China’s quest to become a space science superpower 2017-07-25T04:00:00Z Three-quarters of species were lost, again most likely due to another huge outburst of volcanism. Earth's sixth mass extinction event already under way, scientists warn 2017-07-10T04:00:00Z But it is the region’s volcanism that leads to the lake’s unusual chemistry. Satellite Eye on Earth: May 2017 – in pictures 2017-06-14T04:00:00Z The giant planet tidally wrenches the little moon in the same way the Moon creates tides on Earth, or Jupiter creates volcanism on its satellite Io. Space, the wet frontier: NASA confirms Saturn’s moon has hydrothermal-heated ocean 2017-04-13T04:00:00Z Hotspots are the only types of volcanism not associated with subduction or rifting zones at plate boundaries; they seem totally disconnected from any plate tectonics processes, such as earthquakes. An Introduction to Geology 2017-01-01T00:00:00Z The era's catastrophic extinctions, he suggests, could be linked to its unprecedented levels of volcanism. New in Paperback : Nature : Nature Research 2017-04-04T04:00:00Z Toward the end of the mission, the spacecraft detected tantalising potential evidence for present-day volcanism on Earth's neighbour. Venus wave may be Solar System's biggest - BBC News 2017-01-16T05:00:00Z If we want to understand Mars or Venus, or volcanism or atmospheres, we look at Earth as a data point. NASA science chief: ‘I have no worries about the resilience of this country’ 2016-12-14T05:00:00Z Moreover, they can locate where the sinking slabs would have triggered melting, releasing blobs of magma that rose into the crust and drove volcanism. 'Atlas of the Underworld' reveals oceans and mountains lost to Earth's history 2016-11-22T05:00:00Z The Yellowstone caldera is an example of hotspot volcanism that resulted in an explosive eruption. An Introduction to Geology 2017-01-01T00:00:00Z Mainstream theories suggest the global warming phase, which lasted about 200,000 years, was caused by sources closer to home - such as volcanism. Comet impact 'linked' to rise of mammals - BBC News 2016-10-13T04:00:00Z For instance, pictures of the moon’s mysterious far side unveiled in 2008 revealed much younger volcanism than expected, hinting that the moon was geologically active for far longer than scientists thought. Haunting Pictures Show Earth Rising Over the Moon Many scientists believe the spike could have come from a chain reaction of events, starting with ocean volcanism cooking organic carbon out of rocks and into the atmosphere. Comet may have struck Earth just 10 million years after dinosaur extinction 2016-09-28T04:00:00Z At the top of O’Leary’s wish list: “I really wanted to get some volcanism in there,” he says. See Maps of Fantasy Worlds Created by Bots 2016-08-16T04:00:00Z A zone of actively erupting volcanism connected to a chain of extinct volcanoes indicates intraplate volcanism located over a hotspot. An Introduction to Geology 2017-01-01T00:00:00Z A global analysis of detrital zircons suggests that volcanism is the primary driver of very long-term climate oscillations. Continental arc volcanism as the principal driver of icehouse-greenhouse variability | Science 2016-04-21T04:00:00Z “The moon cools very, very slowly so even though there is not enough heat to cause volcanism today there is still excess heat in the region,” said Keane. Moon's tilt changed by volcanic activity over three billion years ago 2016-03-23T04:00:00Z Over three billion years ago, volcanism caused this area to get hotter than the rest of the Moon's surface, making the region less dense. The Moon spun on a different axis billions of years ago, study finds 2016-03-23T04:00:00Z This graphite may be a relic of the planet's primordial crust, which was later covered up by volcanism. Dark Mercury's 'pencil lead crust' revealed - BBC News 2016-03-07T05:00:00Z Low viscosity magma flows easily more like syrup, the basaltic volcanism that occurs in Hawaii on shield volcanoes. An Introduction to Geology 2017-01-01T00:00:00Z A global analysis of detrital zircons suggests that volcanism is the primary driver of very long-term climate oscillations. Continental arc volcanism as the principal driver of icehouse-greenhouse variability | Science 2016-04-21T04:00:00Z A main question is to what extent the volcanism changes over time. The 40,000-Mile Volcano 2016-01-12T05:00:00Z Iceland has voluminous volcanism, including some very recent eruptions. Alfred McEwen 2015-10-10T04:00:00Z But this primordial crust was obscured by later volcanism and other geological processes. Dark Mercury's 'pencil lead crust' revealed - BBC News 2016-03-07T05:00:00Z This time represents Earth’s earliest history, during which the planet was characterized by a partially molten surface, volcanism, and asteroid impacts. An Introduction to Geology 2017-01-01T00:00:00Z “These findings will add greatly to the controversy of volcanism versus impact.” Volcano-asteroid combo may have done in the dinosaurs 2015-10-01T04:00:00Z They’ve also known that massive volcanism in India was happening around the same time, spreading lava across a huge region known as the Deccan Traps. Scientists suggest a new, earth-shaking twist on the demise of the dinosaurs 2015-10-01T04:00:00Z We are getting much better at understanding volcanism in Australia. World’s longest continental volcano chain discovered in Australia 2015-09-14T04:00:00Z Eighteen years of return missions have revealed that an area once thought dead is a vibrant world of myriad ecosystems and volcanism still shaping the Hawaiian Islands. Do Humans Have a Future in Deep Sea Exploration? 2015-09-14T04:00:00Z Another big event at this time was the Deccan Traps flood basalt volcanism in India. An Introduction to Geology 2017-01-01T00:00:00Z Other changes in volcanism occurred at the same time, the researchers say. Volcano-asteroid combo may have done in the dinosaurs 2015-10-01T04:00:00Z Catastrophic volcanism ensues, forcing the planet into a hothouse state. Is Earth as Special as We Think? 2015-09-07T04:00:00Z The earliest phases of the volcanism began about 300,000 years before the onset of the end-of-Permian extinctions, the team reports online today in Science Advances. Massive volcanoes began erupting hundreds of thousands of years before Earth’s largest extinction 2015-08-28T04:00:00Z It was scientists who began to stitch together the big picture, especially the peculiar link between fiery volcanism and icy weather. How a Volcanic Eruption in 1815 Darkened the World but Colored the Arts 2015-08-24T04:00:00Z The majority of mountain-building events, earthquake activity and active volcanism on the Earth’s surface can be attributed to tectonic plate movement at active margins. An Introduction to Geology 2017-01-01T00:00:00Z “Given the larger size and thus longer core-cooling time, we think there would likely still be volcanism.” Kepler Mission Discovers a Near-twin of Earth Orbiting Sun-like Star 2015-07-23T04:00:00Z This has been linked with another huge outburst of volcanism. The Earth stands on the brink of its sixth mass extinction and the fault is ours 2015-06-20T04:00:00Z If this interpretation is correct, volcanism on 55 Cancri e would likely be even more intense than it is on Jupiter’s moon Io, the most volcanically active body in Earth’s solar system, researchers said. Nearby Super-Earth May Harbor Huge Volcanoes 2015-05-05T04:00:00Z Solomon’s personal top 10 list of Messenger’s science contributions also include revelations about past volcanism on Mercury, the planet’s abundance of volatile elements, and evidence that the planet is actually shrinking as it contracts. Messenger Speeding To Final Violent Impact With Mercury 2015-04-30T04:00:00Z Volcanism Messenger settled a long-running debate about whether volcanism is prevalent on Mercury. NASA’s Messenger Mission to Mercury Ends 2015-03-01T05:00:00Z The two with most support are collisions between Earth and an asteroid or comet, and extended periods of massive volcanism. Did dark matter do in the dinosaurs? 2015-02-25T05:00:00Z The data helped her understand patterns in the planet's volcanism. Undersea Volcanoes Erupt with Gravity, Shifting Earth's Climate 2015-02-06T05:00:00Z The studies suggest that the bursts of seafloor volcanism could in turn affect climate—and even play a role in bringing each ice age to an abrupt end. 'Record grooves' on ocean floor document Earth’s ice ages 2015-02-05T05:00:00Z She said the new dating of the Deccan Traps strengthens the case for volcanism as the "primary cause" of the mass extinction. Did a massive volcanic eruption in India kill off the dinosaurs? 2014-12-11T05:00:00Z Called irregular mare patches, these areas are thought to be remnants of small basaltic eruptions that occurred much later than the commonly accepted end of lunar volcanism, 1 to 1.5 billion years ago. Throw Out The Geology Books - Volcanoes Were Erupting On The Moon Just 100 Million Years Ago 2014-10-13T04:00:00Z It remains uncertain whether the rift valleys formed before or during the volcanism that filled Procellarum with the lava that cooled to form the black rock that currently dominates the area, he added. Lunar Lava Left ‘Strikingly Geometric’ Shapes on Moon’s Surface 2014-10-02T04:00:00Z They would help her track volcanism at the seabed. Undersea Volcanoes Erupt with Gravity, Shifting Earth's Climate 2015-02-06T05:00:00Z Scientists still agree that faults play a role in shaping the seafloor topography, but the new work emphasizes the importance of volcanism in creating the hills in the first place, Lund says. 'Record grooves' on ocean floor document Earth’s ice ages 2015-02-05T05:00:00Z The fundamental problem for the hypothesis that volcanism caused the mass extinction is that it doesn't seem to be necessary. Did a massive volcanic eruption in India kill off the dinosaurs? 2014-12-11T05:00:00Z The likely causes included volcanism, gamma ray bursts, and, in the case of the Cretaceous-Paleogene wipeout, an asteroid strike—the one that killed the dinosaurs. The Sixth Great Extinction is Underway—and Guess Which Big-Brained Species is to Blame 2014-07-25T04:00:00Z Baines says this means if the present cloudy atmosphere is typical and ongoing, then there must be active volcanism to resupply the atmosphere with sulfur. New Venus Missions Could Lift Planet's Hellish Veil 2014-07-15T04:00:00Z Tolstoy went a step further and linked volcanism to tiny shifts in the Earth's orbit around the sun, as well, that occur every 100,000 years. Undersea Volcanoes Erupt with Gravity, Shifting Earth's Climate 2015-02-06T05:00:00Z Scientists had ignored that possibility because until now they assumed seafloor volcanism is constant over time, Lund says. 'Record grooves' on ocean floor document Earth’s ice ages 2015-02-05T05:00:00Z Although the atmosphere doesn't seem like the ideal place to learn about the surface of Mars, dust storms on the Red Planet stir up material affected by weathering, precipitation and volcanism. Mars Mission Could Return Samples to Earth by 2020 2014-06-23T04:00:00Z We do have evidence for volcanism on Titan in the past, or even going on now. Clue in moon's 'Magic Island' puzzle 2014-06-22T04:00:00Z “The uptick in early 21st-century volcanism clearly was a contributing factor to the hiatus,” says atmospheric scientist Benjamin Santer of Lawrence Livermore National Laboratory, lead author of the report. Volcanoes That Act as Air-Conditioning for a Warming World 2014-04-22T12:00:00Z But Tolstoy's study suggests that, if anything, volcanism happens in spurts dictated by astronomical events. Undersea Volcanoes Erupt with Gravity, Shifting Earth's Climate 2015-02-06T05:00:00Z Wondering whether the climate cycles might somehow be boosting seafloor volcanism at regular intervals, the researchers created a computer model to test the idea. 'Record grooves' on ocean floor document Earth’s ice ages 2015-02-05T05:00:00Z Both areas are volcanic in origin but differ based on their tectonic setting: one is the result of intraplate volcanism and the other is the result of subduction volcanism. Scientists Explore New Zealand s Deep Sea (Part I) 2013-11-25T20:15:08.023Z There was a big volcanic episode all over the surface, which then crusted up, and after that the volcanism dropped dramatically. Meteorite 'is oldest chunk of Mars' 2013-11-21T02:29:38Z But there must have been volcanism before that. Red Planet Was Once the Fire Planet 2013-10-02T19:35:26Z But sightings of underwater eruptions are rare, even though this is the most common type of volcanism on Earth. Marine science: Oceanography's billion-dollar baby 2013-09-25T17:20:28.247Z Perhaps biological systems are really intensely effected by the first pulse of volcanism but perhaps they then adapt.” Mega-Eruption: Scientists Connect a Mass Extinction to a Major Lava Flow 2013-04-04T13:05:22Z In fact, he says it’s thought that there were small amounts of lunar volcanism up until a billion years ago. Active Moon? Recent Lunar Surface Phenomena May Signal Some Form Of Volcanism 2013-04-01T02:31:36Z "There was a great debate over how important volcanism was in the history of Mercury." Spacecraft Makes First Complete Map of Planet Mercury 2013-03-06T21:15:00.667Z This unique meteorite tells us what volcanism was like on Mars 2 billion years ago. Meteorite Shows Evidence Of Water On Ancient Mars 2013-01-06T14:34:21Z In the computer model, the change in pressures on the Earth's crust seem to cause increases in volcanism. Climate Change May Increase Volcanic Eruptions 2013-01-03T22:15:05.710Z Or to put this more crudely, no volcanism or tectonics, and you get no temperate climate. Should We Expect Other Earth-like Planets At All? 2012-12-26T20:15:00.430Z He says it’s “tempting” to think these random outgassing events are tied to some sort of extant lunar volcanism. Active Moon? Recent Lunar Surface Phenomena May Signal Some Form Of Volcanism 2013-04-01T02:31:36Z That provided confirmation that the earlier, oceanic extinctions occurred within the range of Deccan volcanism. A Second Gunman in the Death of the Dinosaurs 2012-09-11T13:05:30Z With a portable system, researchers could decipher how long volcanism lasted on Mars and when it stopped. Planetary science: The time machine 2012-07-25T17:20:40.527Z The extremely low values may reflect a period of hydrothermal volcanism, Dickson speculates, or unusual chemical conditions such as an altered seawater pH. Bottom Line: Ocean Floor Sediments May Be Window on World's Warmer Future 2012-07-13T14:45:00.210Z Recently, Seoul also cut a deal for sulfide prospecting in the waters of Fiji, letting it tap the mineral bounty of Pacific volcanism. Vast Deposits of Gold and Other Ores Lure Seabed Miners 2012-07-09T16:49:11Z Obviously some people are directly threatened by volcanism in many parts of the world, and in the UK we discovered volcanology a bit more recently. The scientists who study volcanoes 2012-07-09T00:22:44Z So it’s not unreasonable to think that the environmental stress from the volcanism contributed to the strength of the asteroid extinction. A Second Gunman in the Death of the Dinosaurs 2012-09-11T13:05:30Z Forgive me, I was just being pernickety.I agree that asteroids are a contender for most ELE, flood volcanism and impact triggered volcanism are also worth a shout. Asteroid hunting mission unveiled 2012-06-29T02:46:02Z While the meteorite is unlikely to shed information on whether early Mars was hospitable to life, it will provide clues about the history of volcanism there. Meteorite From Mars Is at Home in London, After a World Tour 2012-02-08T17:30:03Z These mass concentrations — or mascons — are the likely result of ancient volcanism or ancient impacts. Spacecraft Twins Arrive at the Moon 2012-01-01T14:05:00Z In the first billion or so years of Mars's history, ample heat was available in the crust, due to extensive volcanism and bombardment by large impactors. Wet Down: Warm, Wet Conditions on Ancient Mars May Have Been Confined to Subsurface 2011-11-03T18:45:00.230Z Messenger's three flybys of Mercury settled the question—the plains were filled in by an episode of flood volcanism billions of years ago. Hot, Odd and Curious: NASA Orbiter Reveals Mercury to Be Surprisingly Complex 2011-10-03T21:45:05.207Z The complete view of the volcanism in the area lies open to examination. Rare Volcanoes Discovered On Far Side of the Moon 2011-07-26T20:15:05.467Z Credit: Earth's tectonic plates, immense slabs of rock that bump and scrape past each other to cause earthquakes and trigger volcanism, are some of the world's largest geological structures. Deep Diamonds Shed Light on Ancient Continental Movements 2011-07-21T19:00:00Z Dr. Grinspoon has theorized that Venus, whose spectacular volcanism boiled off all its surface water long ago, nevertheless harbored liquid moisture in the noxious clouds of sulfuric acid that cloak the planet. Fountains of Optimism for Life Way Out There 2011-05-09T22:13:41Z Among MESSENGER's tasks during its one-year primary science mission: making topographic maps of Mercury and characterizing the planet's magnetic field and geologic history, including the role of volcanism in its relatively recent past. MESSENGER spacecraft successfully enters orbit around Mercury 2011-03-18T21:45:02.193Z Toward that end, a study by Grasby suggests that volcanism also combusted nearby coal deposits in a series of events that are roughly coincident with downturns in productivity leading up to the mass extinction. Editors' Choice 2011-02-03T19:25:02.600Z "This small volcanic complex occurs far away from the part of the moon where most of the volcanic activity was concentrated, and where other silicic volcanism occurred," Jolliff said. Rare Volcanoes Discovered On Far Side of the Moon 2011-07-26T20:15:05.467Z That process is assumed to be volcanism, although it is likely to work at a slow rate. Venus 'still volcanically active' 2010-04-09T12:42:00Z The initial volcanism as North America split from Europe released carbon dioxide from deep inside the Earth. The rise of the dinosaurs: Easy come, easy go 2010-03-25T12:06:00Z This has perplexed scientists because such elements tend to escape into the atmosphere during volcanism. Upside-Down Answer for Deep Earth Mystery 2010-02-19T17:16:00Z Despite evidence for relatively active volcanism in the Deccan Traps at the time, marine and land ecosystems showed only minor changes within the 500,000 years before the time of the K-T mass extinction. Panel backs dinosaur crater link 2010-03-04T23:49:00Z "Finding other volcanic types is interesting as it shows the geologic complexity and range of processes that operate on the moon, and how the moon's volcanism changed with time." Rare Volcanoes Discovered On Far Side of the Moon 2011-07-26T20:15:05.467Z Of the several processes of world-making, all of which are progressing to-day at normal speed, none is so thrilling as volcanism, because no other concentrates action into terms of human grasp. The Book of the National Parks The focus of annihilation was the new crater midway between the sea and the peak of Mount Pelee where now exists a new area of active volcanism, with hundreds of fumaroles or miniature volcanoes. Complete Story of the San Francisco Horror It seemed as though the entire tip of the mountain was gone; had become a seething, flaming volcano on a world that had known no volcanism for hundreds of thousands of years. Subspace Survivors Writing in Science journal, they rule out alternative theories such as large-scale volcanism. Panel backs dinosaur crater link 2010-03-04T23:49:00Z There, sulphur points unmistakably to the earth's volcanism. Man or Matter Lassen Peak, some wise men believe, is the last exhibit of activity in the dying volcanism of the Cascade Mountains. The Book of the National Parks We may truly characterize the earth's volcanism as being qualitatively sulphurous. Man or Matter A contrast, indeed, between this quiet emergence of forms from levity into gravity, and the form-denying volcanism surging up out of gravity into levity, as shown by the ever-restless activity of the Solfatara. Man or Matter As we found volcanism to be a macrotelluric manifestation of functional sulphur, we find in the process of snow-formation a corresponding manifestation of functional phosphorus. Man or Matter And just as we found in volcanism and related processes a field of activity of 'functional sulphur', so we found in snow-formation and related processes a field of activity of 'functional phosphorus'. Man or Matter Because it seemed desirable to conserve the best two of these examples of recent volcanism, President Taft in 1906 created the Lassen Peak and the Cinder Cone National Monuments. The Book of the National Parks |
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