Mercury was long thought to be lacking volatile compounds that cause explosive volcanism. That view started to change when the MESSENGER spacecraft returned pictures of pyroclastic deposits—the telltale signature of volcanic ...
Space Exploration
Apr 2, 2014
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Mercury has long been a mystery to scientists. Until recently, knowledge of the planet was limited to the grey, patchy landscape revealed by the Mariner 10 probe, NASA's first mission to Mercury in the mid-1970s.
Space Exploration
Jan 31, 2014
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(Phys.org) —New research from Oxford University casts doubt on the theory that the Mount Toba super-eruption, which took place at the Indonesian island of Sumatra 75,000 years ago, could have plunged the Earth into a volcanic ...
Earth Sciences
May 1, 2013
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(Phys.org) —Using information gathered from samples of deep sea sediments, researchers from the University of Bristol report new findings regarding the dynamics of the eruption of Mount Tambora, Indonesia in 1815 – one ...
Earth Sciences
Mar 27, 2013
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(Phys.org)—New computer simulations by geologists from ETH Zurich demonstrate how large copper and gold deposits are formed. The enrichment process of these metals follows physical principles that are similar to the extraction ...
Earth Sciences
Dec 21, 2012
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A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed in stages, according ...
Earth Sciences
Feb 3, 2012
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(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
Earth Sciences
Nov 19, 2009
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The Paleozoic era culminated 251.9 million years ago in the most severe mass extinction recorded in the geologic record. Known as the "great dying," this event saw the loss of up to 96% of all marine species and around 70% ...
Earth Sciences
May 19, 2021
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Mount Shinmoedake in southern Japan erupted for the first time in six years Wednesday, shooting a plume of ash several hundred metres into the air and sparking warnings to local residents.
Environment
Oct 11, 2017
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Copper is an essential element of our society with main uses in the field of electricity and electronics. About 70% of the copper comes from deposits formed several million years ago during events of magma degassing within ...
Earth Sciences
Jan 12, 2017
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