When geologists survey an area of land for the potential that gas or petroleum deposits could exist there, they must take into account the composition of rocks that lie below the surface. Take, for instance, sandstone—a ...
Earth Sciences
Jun 6, 2011
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(PhysOrg.com) -- Japanese geologist Tetsuji Onoue, of Kagoshima University, after studying chert rock (a form of microcrystalline quartz) he’d taken from Ajiro Island off the southern coast of Honshu, Japan, has discovered ...
The mass extinction of marine life in our oceans during prehistoric times is a warning that the Earth will see such an extinction again because of high levels of greenhouse gases, according to new research by geologists.
Earth Sciences
May 17, 2011
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If alien geologists were to visit our planet 10 million years from now, would they discern a distinct human fingerprint in Earth's accumulating layers of rock and sediment?
Environment
May 15, 2011
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Spain suffered an unusually high death toll in a moderate quake that claimed nine lives in the southeastern city of Lorca on Wednesday, geological experts said.
Earth Sciences
May 12, 2011
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In a recent Geology paper geologists from the universities of Innsbruck and Leeds report on ancient cave systems discovered near the summits of the Allgau Mountains that preserved the oldest radiometrically dated dripstones ...
Earth Sciences
May 2, 2011
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Doren in the Austrian Bregenzerwald, February 2007: a slope 650 meters long breaks, resulting in a massive slide into the valley below. The nearest residential buildings are very close to the 70-meter-high rim. This barely ...
Earth Sciences
Apr 7, 2011
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Most deep-sea volcanoes produce effusive lava flows rather than explosive eruptions, both because the levels of magmatic gas tend to be low, and because the volcanoes are under a lot of pressure from the surrounding water. ...
Earth Sciences
Mar 28, 2011
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While rescue workers in Japan continue their search for missing persons amid the rubble in Sendai and beyond, geologists are sifting through seismic data and satellite images for hints to what caused one of the most catastrophic ...
Earth Sciences
Mar 23, 2011
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The recent monster quake that hit northeastern Japan altered the earth's surface, geologists say, loading stress onto a different segment of the fault line much closer to Tokyo.
Earth Sciences
Mar 21, 2011
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