News tagged with crust
Distal Rampart of Crater in Chryse Planitia
(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 ...
Space & Earth / Space Exploration
Nov 13, 2009 |
5 / 5 (1) |
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Geologists point to outer space as source of the Earth's mineral riches
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.
Space & Earth / Earth Sciences
Oct 18, 2009 |
4.1 / 5 (11) |
5
'Rosetta Stone' of supervolcanoes discovered in Italian Alps
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 ...
Space & Earth / Earth Sciences
Sep 21, 2009 |
4.3 / 5 (29) |
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Could salt crusts be key ingredient in cooking up prebiotic molecules?
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 ...
Space & Earth / Earth Sciences
Sep 18, 2009 |
4.8 / 5 (4) |
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Researchers find high numbers of heat-loving bacteria in cold Arctic Ocean
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 ...
Sep 17, 2009 |
4.5 / 5 (4) |
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Star crust 10 billion times stronger than steel, physicists find
(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.
May 06, 2009 |
4.5 / 5 (47) |
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Fingerprinting slow earthquakes (w/Podcast)
(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 ...
Space & Earth / Earth Sciences
Apr 23, 2009 |
4 / 5 (4) |
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Solomon Islands earthquake sheds light on enhanced tsunami risk
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, ...
Space & Earth / Earth Sciences
Apr 09, 2009 |
4.4 / 5 (11) |
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Quake predictability still distant dream, say seismologists
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.
Space & Earth / Earth Sciences
Apr 07, 2009 |
2 / 5 (2) |
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Laser-flash analysis echnique measures heat transport in the Earth's crust
(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 ...
Space & Earth / Earth Sciences
Mar 30, 2009 |
4 / 5 (1) |
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Earth's crust melts easier than previously thought
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 ...
Space & Earth / Earth Sciences
Mar 18, 2009 |
3.6 / 5 (14) |
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Mediterranean Sea dried up five million years ago
(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. ...
Space & Earth / Earth Sciences
Feb 16, 2009 |
4.4 / 5 (9) |
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Beneath the surface
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 ...
Space & Earth / Earth Sciences
Feb 11, 2009 |
5 / 5 (6) |
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Bias in the rock record?
(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 ...
Space & Earth / Earth Sciences
Jan 14, 2009 |
4.1 / 5 (8) |
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