Voyage from Earth’s crust to its mantle and back again

19 enero 2015

Uranium isotopes leave a distinct ‘fingerprint’ in the sources of volcanic rocks, making it possible to gauge their age and origin. Geologists have gained a new understanding of how Earth’s crust is recycled back into its interior based on these uranium isotopes.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uYbteAVTGdw/150119124557.htm

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