News tagged with lower mantle
A new kind of metal in the deep Earth
(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...
Dec 19, 2011 |
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Cosmic voyager has a layover in St. Louis
Last January two amateur meteorite hunters dropped by Randy Korotev's office at Washington University in St. Louis to show him their latest purchase, a 17-kilogram pallasite meteorite found in 2006 near Conception ...
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (2) |
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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 |
4 / 5 (6) |
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Search results for lower mantle
'Like a jet through solid rock': Volcanic arc fed by rapid fluid pulses
In the depths of the earth, it is anything but peaceful: large quantities of liquids carve their way through the rock as fluids, causing magma to form. A research team led by the University of Münster, ...
Space & Earth / Earth Sciences
May 31, 2012 |
4 / 5 (2) |
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Geological record shows air up there came from below
(Phys.org) -- The influence of the ground beneath us on the air around us could be greater than scientists had previously thought, according to new research that links the long-ago proliferation of oxygen ...
Space & Earth / Earth Sciences
May 23, 2012 |
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Research suggests more silicon in Earth's lower mantle than thought
For many years geophysicists have argued over the perplexing mystery regarding the amount of silicon in the Earth's mantle that is thought to have arrived there via impacts with asteroids.
Space & Earth / Earth Sciences
May 04, 2012 |
3.6 / 5 (8) |
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Rapid Sierra Nevada uplift tracked by scientists
From the highest peak in the continental United States, Mt. Whitney at 14,000 feet in elevation, to the 10,000-foot-peaks near Lake Tahoe, scientific evidence from the University of Nevada, Reno shows the entire Sierra Nevada ...
Space & Earth / Earth Sciences
May 03, 2012 |
4.5 / 5 (4) |
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First Mars Express gravity results plot volcanic history
(Phys.org) -- Five years of Mars Express gravity mapping data are providing unique insights into what lies beneath the Red Planet’s largest volcanoes. The results show that the lava grew denser over time ...
Space & Earth / Space Exploration
Apr 26, 2012 |
5 / 5 (1) |
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Expedition to undersea mountain yields new information about sub-seafloor structure
Scientists recently concluded an expedition aboard the research vessel JOIDES Resolution to learn more about Atlantis Massif, an undersea mountain, or seamount, that formed in a very different way than the ...
Space & Earth / Earth Sciences
Mar 22, 2012 |
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Seismic survey at the Mariana trench will follow water dragged down into the Earth's mantle
(PhysOrg.com) -- Last month, Doug Wiens, PhD, professor of earth and planetary science at Washington University in St. Louis, was cruising the tropical waters of the western Pacific above the Mariana trench ...
Space & Earth / Earth Sciences
Mar 22, 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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A new theory on the formation of the oldest continents
German geologists from the Universities of Bonn and Cologne have demonstrated new scientific results in the April issue of the scholarly journal Geology, which provide a new theory on the earliest phase of continental format ...
Space & Earth / Earth Sciences
Mar 12, 2012 |
5 / 5 (3) |
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How mountain ranges get their shape
(PhysOrg.com) -- Tectonic, climate and the topography of the mountain ranges interact through a complex system of interactions and feedbacks. The nature and strength of these links are examined on the basis ...
Space & Earth / Earth Sciences
Feb 14, 2012 |
not rated yet |
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List of search results for lower mantle
