Crust (geology)
hideIn geology, a crust is the outermost solid shell of a rocky planet or moon, which is chemically distinct from the underlying mantle. The crusts of Earth, our Moon, Mercury, Venus, Mars, Io, and other planetary bodies have been generated largely by igneous processes, and these crusts are richer in incompatible elements than their respective mantles.
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News tagged with earths crust
'Rosetta Stone' of supervolcanoes discovered in Italian Alps
Space & Earth / Earth Sciences
Sep 21, 2009 |
4.3 / 5 (29) |
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Scientists have found the "Rosetta Stone" of supervolcanoes, those giant pockmarks in the Earth's surface produced by rare and massive explosive eruptions that rank among nature's most violent events. The eruptions produce ...
Quake predictability still distant dream, say seismologists
Space & Earth / Earth Sciences
Apr 07, 2009 |
2 / 5 (2) |
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Claims by an Italian technician to have foretold the devastating quake which struck central Italy prompted seismologists on Tuesday to shake their heads in sadness and skepticism.
Earth's crust melts easier than previously thought
Space & Earth / Earth Sciences
Mar 18, 2009 |
3.6 / 5 (14) |
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A University of Missouri study published in Nature this week has found that the Earth's crust melts easier than previously thought. In the study, researchers measured how well rocks conduct heat at differ ...
Mediterranean Sea dried up five million years ago
Space & Earth / Earth Sciences
Feb 16, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- Upward movement of the Earth's crust transformed the Straits of Gibraltar into a dam. Approximately five million years ago, the Mediterranean Sea dried up after it was sealed off from the Atlantic Ocean. ...
Beneath the surface
Space & Earth / Earth Sciences
Feb 11, 2009 |
5 / 5 (6) |
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It was the geological collision between India and Asia millions of years ago that created one of the world's most distinctive places: The area around Lake Baikal in Siberia, which contains 20 per cent of the world's fresh ...
