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Related topics: tectonic plates , earth

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

created May 04, 2012 | popularity 3.6 / 5 (8) | comments 5 | with audio podcast report

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

created Apr 05, 2012 | popularity 4 / 5 (3) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created Dec 19, 2011 | popularity 4.9 / 5 (21) | comments 16 | with audio podcast

Scientists reveal Southern California's tectonic plates in detail

Rifting is one of the fundamental geological forces that have shaped our planet. Were it not for the stretching of continents and the oceans that filled those newly created basins, Earth would be a far different ...

Space & Earth / Earth Sciences

created Oct 06, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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

created Sep 15, 2011 | popularity 4.5 / 5 (6) | comments 3 | with audio podcast

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

created Jul 06, 2011 | popularity 4.8 / 5 (17) | comments 11 | with audio podcast

New explanation for Hawaiian hot spot

(PhysOrg.com) -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than ...

Space & Earth / Earth Sciences

created May 27, 2011 | popularity 4.4 / 5 (11) | comments 3 | with audio podcast report

Parts of moon interior contains as much water as Earth's upper mantle

Parts of the moon's interior contains as much water as the upper mantle of the Earth - 100 times more of the precious liquid than measured before – research from Case Western Reserve University, Carnegie ...

Space & Earth / Space Exploration

created May 26, 2011 | popularity 4.7 / 5 (29) | comments 57 | with audio podcast

Earth's inner core is melting... and freezing

The inner core of the Earth is simultaneously melting and freezing due to circulation of heat in the overlying rocky mantle, according to new research from the University of Leeds, UC San Diego and the Indian ...

Space & Earth / Earth Sciences

created May 18, 2011 | popularity 4.6 / 5 (13) | comments 10 | with audio podcast

Geologists solve mystery of the Colorado Plateau

(PhysOrg.com) -- A team of scientists led by Rice University has figured out why the Colorado Plateau – a 130,000-square-mile region that straddles Colorado, Utah, Arizona and New Mexico -- is rising ...

Space & Earth / Earth Sciences

created Apr 27, 2011 | popularity 4.8 / 5 (10) | comments 2 | with audio podcast

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

created Oct 07, 2010 | popularity 4.2 / 5 (11) | comments 0 | with audio podcast

New insights into volcanic activity on the ocean floor

New research reveals that when two parts of the Earth's crust break apart, this does not always cause massive volcanic eruptions. The study, published today in the journal Nature, explains why some parts ...

Space & Earth / Earth Sciences

created Jun 16, 2010 | popularity 3.9 / 5 (7) | comments 1 | with audio podcast

Flow in Earth's mantle moves mountains: study

If tectonic plate collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary?

Space & Earth / Earth Sciences

created Jun 02, 2010 | popularity 3.7 / 5 (11) | comments 1 | with audio podcast

Turbulence around heat transport

(PhysOrg.com) -- Heat transport in the earth's mantle and in the atmosphere is probably not as effective as previously thought.

Physics / General Physics

created Dec 03, 2009 | popularity 5 / 5 (6) | comments 4

Giant impact near India -- not Mexico -- may have doomed dinosaurs

A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 ...

Space & Earth / Earth Sciences

created Oct 15, 2009 | popularity 4.8 / 5 (42) | comments 15