News tagged with mantle

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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 ...

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

The Earth's hidden weakness

(PhysOrg.com) -- Three thousand kilometres beneath our feet, the Earth's solid rock gives way to the swirling liquid iron of the outer core.

May 28, 2010
4.3 / 5 (15) 2 | with audio podcast

Earth's mantle flows fast

(PhysOrg.com) -- The Earth's mantle flows far more rapidly around a sinking tectonic plate than previously thought, according to new computer modeling by UC Davis geologists. The findings could change the ...

May 19, 2010
4.6 / 5 (9) 2 | with audio podcast

As the World Churns

(PhysOrg.com) -- "Terra firma." It's Latin for "solid Earth." Most of the time, at least from our perspective here on the ground, Earth seems to be just that: solid. Yet the Earth beneath our feet is actually ...

Dec 28, 2009
4.4 / 5 (19) 29