News tagged with mantle

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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 ...

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

When the Earth mantle finds its core

The Earth's mantle and its core mix at a distance of 2900 km under our feet in a mysterious zone. A team of geophysicists has just verified that the partial fusion of the mantle is possible in this area when ...

Sep 17, 2010
4.4 / 5 (5) 0

New view of tectonic plates

(PhysOrg.com) -- Computational scientists and geophysicists at the University of Texas at Austin and the California Institute of Technology have developed new computer algorithms that for the first time allow ...

Aug 26, 2010
4 / 5 (6) 0

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 ...

Aug 11, 2010
3.4 / 5 (26) 6 | with audio podcast

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 ...

Jul 14, 2010
4.3 / 5 (6) 7 | with audio podcast

Fresh insight into the origins of Planet Earth

For the first time, an international team of researchers has incorporated extensive geochemical data on the formation of Earth into a model - with surprising results: more models can be used for the process ...

Jun 03, 2010
4.3 / 5 (6) 5