News tagged with mantle rocks
New force driving Earth's tectonic plates discovered
Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists at Scripps Institution of Oceanography at ...
Space & Earth / Earth Sciences
Jul 06, 2011 |
4.8 / 5 (17) |
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Japanese probe yields insights into Moon's inner life
Japanese astronomers on Sunday said they had found traces of a mineral that adds an important piece of knowledge to the puzzle of the Moon's geological past.
Space & Earth / Space Exploration
Jul 04, 2010 |
4.1 / 5 (14) |
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Fledgling mantle plume may be cause of African volcano's unique lava
(PhysOrg.com) -- Nyiragongo, an active African volcano, possesses lava unlike any other in the world, which may point toward its source being a new mantle plume says a University of Rochester geochemist. The ...
Space & Earth / Earth Sciences
Mar 13, 2009 |
5 / 5 (11) |
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Arctic rocks offer new glimpse of primitive Earth
Scientists have discovered a new window into the Earth's violent past. Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that beneath it lies a region of the Earth's mantle ...
Space & Earth / Earth Sciences
Aug 11, 2010 |
5 / 5 (11) |
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Mount Etna's mystery explained?
Internationally renowned geophysicist Dr Wouter Schellart has developed the first dynamic model to explain the mystery of the largest and most fascinating volcano in Europe, Mount Etna.
Space & Earth / Earth Sciences
Oct 07, 2010 |
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Rare melt key to 'Ring of Fire'
(PhysOrg.com) -- Oxford University scientists have discovered the explanation for why the world?s explosive volcanoes are confined to bands only a few tens of kilometres wide, such as those along the Pacific ...
Space & Earth / Earth Sciences
Oct 07, 2010 |
4.2 / 5 (11) |
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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 |
4.7 / 5 (7) |
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The greenhouse gas that saved the world
When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for the creation of life, ...
Space & Earth / Earth Sciences
Aug 18, 2009 |
3.6 / 5 (9) |
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Water in Earth's mantle key to survival of oldest continents
Earth today is one of the most active planets in the Solar System, and was probably even more so during the early stages of its life. Thanks to the plate tectonics that continue to shape our planet's surface, ...
Space & Earth / Earth Sciences
Sep 02, 2010 |
4.8 / 5 (6) |
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Reservoirs of ancient lava shaped Earth
Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...
Space & Earth / Earth Sciences
Jul 27, 2011 |
4.7 / 5 (6) |
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Scientists' work improves odds of finding diamonds
While prospectors and geologists have been successful in finding diamonds through diligent searching, one University of Houston professor and his team's work could help improve the odds by focusing future searches in particular ...
Space & Earth / Earth Sciences
Jul 14, 2010 |
4.3 / 5 (6) |
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Japanese scientists say giant plumes will prevent new Pangaea
(PhysOrg.com) -- For much of Earth's history, the continents have shifted around, sometimes joining with others, sometimes tearing apart to form new continents. One such shift resulted in what Earth scientists ...
Space & Earth / Earth Sciences
Sep 20, 2011 |
4.2 / 5 (6) |
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Building blocks of early Earth survived collision that created moon
Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth's mantle (the rocky layer between Earth's metallic core and crust) formed when the planet was much smaller than it is now, an ...
Space & Earth / Earth Sciences
Feb 18, 2012 |
5 / 5 (5) |
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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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Scientist's Award Allows Her To Probe the Earth's Mantle
(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly ...
Space & Earth / Earth Sciences
Jun 11, 2010 |
4.8 / 5 (4) |
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