News tagged with mantle transition zone
What goes down, must come up: Geoscientists offer new model for degassing of Earth's mantle
A new analysis of the processes that constantly stir the Earth's deep mantle is helping to explain how the mantle holds onto a portion of ancient noble gases that were trapped during the Earth's formation.
Space & Earth / Earth Sciences
May 27, 2009 |
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Search results for mantle transition zone
Copper chains: Study reveals Earth's deep-seated hold on copper
Earth is clingy when it comes to copper. A new Rice University study this week in the journal Science finds that nature conspires at scales both large and small -- from the realms of tectonic plates down t ...
Space & Earth / Earth Sciences
Apr 05, 2012 |
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New understanding of Earth's lithosphere-asthenosphere boundary beneath the Pacific Ocean
Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying asthenosphere. ...
Space & Earth / Earth Sciences
Mar 22, 2012 |
4.3 / 5 (4) |
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Diamonds show depth extent of Earth's carbon cycle
Scientists have speculated for some time that the Earth's carbon cycle extends deep into the planet's interior, but until now there has been no direct evidence. The mantle–Earth's thickest layer –is ...
Space & Earth / Earth Sciences
Sep 15, 2011 |
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Heavy metal meets hard rock: Battling through the ocean crust's hardest rocks
Integrated Ocean Drilling Program (IODP) Expedition 335 Superfast Spreading Rate Crust 4 recently completed operations in Ocean Drilling Program (ODP) Hole 1256D, a deep scientific borehole that extends more ...
Space & Earth / Earth Sciences
Jun 30, 2011 |
4.5 / 5 (2) |
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Carbonates make diamonds grow in the Earth's mantle
Diamonds that no-one ever sees can form deep in the Earth’s interior. This is due to the chemical conditions controlling the associated carbon cycle. Swiss researchers used laboratory experiments to show ...
Space & Earth / Earth Sciences
Apr 08, 2011 |
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Discovering mammoth undersea mountains
(PhysOrg.com) -- In the latest evidence of the vastness remaining to be explored in the world’s oceans, scientists aboard Scripps Institution of Oceanography at UC San Diego’s research vessel Melville ...
Space & Earth / Earth Sciences
Mar 09, 2011 |
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Scientists recreate extreme conditions deep in Earth's interior
(PhysOrg.com) -- University of California, Berkeley, and Yale University scientists have recreated the tremendous pressures and high temperatures deep in the Earth to resolve a long-standing puzzle: why some ...
Space & Earth / Earth Sciences
Sep 23, 2010 |
4.5 / 5 (15) |
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New scenery at Earth's core-mantle boundary found
(PhysOrg.com) -- Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers at the California Institute of Technology (Caltech) have found unusual properties in an iron-rich magnesium- and ...
Space & Earth / Earth Sciences
Sep 02, 2010 |
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Yellowstone's plumbing exposed
(PhysOrg.com) -- The most detailed seismic images yet published of the plumbing that feeds the Yellowstone supervolcano shows a plume of hot and molten rock rising at an angle from the northwest at a depth ...
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.8 / 5 (49) |
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New study closes in on geologic history of Earth's deep interior
By using a super-computer to virtually squeeze and heat iron-bearing minerals under conditions that would have existed when the Earth crystallized from an ocean of magma to its solid form 4.5 billion years ...
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.3 / 5 (7) |
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List of search results for mantle transition zone
