A stiff new layer in Earth’s mantle

23 marzo 2015

By crushing minerals between diamonds, a new study suggests the existence of an unknown layer inside Earth: part of the lower mantle where the rock gets three times stiffer. The discovery may explain a mystery: why slabs of Earth’s sinking tectonic plates sometimes stall and thicken 930 miles underground.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Sl1wOo-sy6c/150323130849.htm

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