Sentences with phrase «upper oceanic crust»
Not exact matches
In the months before an October 2011 eruption, magma from the upper mantle accumulated in a layer of oceanic crust 6 to 10 miles below sea level.
http://discovermagazine.com/
This suggests that the MORBs contain a «fingerprint» of the uranium from the oceanic crust, drawn down from the surface and into the upper part of Earth's mantle through subduction, according to Andersen.