News tagged with volcanic deposit
Solution to ancient rock puzzle posited
A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric ...
Space & Earth / Earth Sciences
Apr 27, 2012 |
5 / 5 (2) |
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Global extinction: Gradual doom is just as bad as abrupt
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 ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
4.2 / 5 (20) |
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Epic volcanic activity flooded Mercury's north polar region
(PhysOrg.com) -- Ever since the Mariner 10 mission in 1974 snapped the first pictures of Mercury, planetary scientists have been intrigued by smooth plains covering parts of the surface. Some suspected past ...
Space & Earth / Space Exploration
Sep 29, 2011 |
4.3 / 5 (6) |
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Chang'E-1 has blazed a new trail in China's deep space exploration
A huge amount of scientific data have been accumulated by the CE-1 lunar orbiter. Using laser altimeter data, Jinsong Ping and Qian Huang et al obtained improved 3D lunar topography, and based on this, they ...
Space & Earth / Space Exploration
Dec 01, 2009 |
5 / 5 (2) |
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Rich Ore Deposits Linked to Ancient Atmosphere
(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 ...
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.3 / 5 (3) |
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