News tagged with crust
Oceanic crust formation is dynamic after all
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.8 / 5 (9) |
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Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
Distal Rampart of Crater in Chryse Planitia
Space & Earth / Space Exploration
Nov 13, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Impact craters on Mars are kind of neat. Many of them look very different than impact craters seen on Earth's moon or Mercury. Fresh lunar and Mercurian craters have ejecta blankets that look ...
Geologists point to outer space as source of the Earth's mineral riches
Space & Earth / Earth Sciences
Oct 18, 2009 |
4.1 / 5 (11) |
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According to a new study by geologists at the University of Toronto and the University of Maryland, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in origin.
'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 ...
Could salt crusts be key ingredient in cooking up prebiotic molecules?
Space & Earth / Earth Sciences
Sep 18, 2009 |
4.8 / 5 (4) |
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German scientists investigating the complex chemical mixture thought to be present in the early Earth’s oceans have found that amino acids can be 'cooked' into many other important chemical building blocks ...
Researchers find high numbers of heat-loving bacteria in cold Arctic Ocean
Sep 17, 2009 |
4.5 / 5 (4) |
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A team of scientists led by U of C grad Casey Hubert has detected high numbers of heat loving, or thermophilic, bacteria in subzero sediments in the Arctic Ocean off the Norwegian island of Spitsbergen. The ...
Star crust 10 billion times stronger than steel, physicists find
May 06, 2009 |
4.5 / 5 (47) |
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(PhysOrg.com) -- Research by a theoretical physicist at Indiana University shows that the crusts of neutron stars are 10 billion times stronger than steel or any other of the earth's strongest metal alloys.
Fingerprinting slow earthquakes (w/Podcast)
Space & Earth / Earth Sciences
Apr 23, 2009 |
4 / 5 (4) |
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(PhysOrg.com) -- The most powerful earthquakes happen at the junction of two converging tectonic plates, where one plate is sliding (or subducting) beneath the other. Now a team of researchers, led by Teh-Ru ...
Solomon Islands earthquake sheds light on enhanced tsunami risk
Space & Earth / Earth Sciences
Apr 09, 2009 |
4.1 / 5 (8) |
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The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
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.
Laser-flash analysis echnique measures heat transport in the Earth's crust
Space & Earth / Earth Sciences
Mar 30, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Putting a new spin on an old technique, Anne M. Hofmeister, Ph.D., research professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, has revolutionized ...
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 ...
Bias in the rock record?
Space & Earth / Earth Sciences
Jan 14, 2009 |
3.8 / 5 (6) |
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(PhysOrg.com) -- The fossil record is known to be biased by the unevenness of geographical and stratigraphical sampling, and the lack of exposed rocks containing fossils. In a recent Perspective in Science [2 Jan ...
