Since the 1990s, cross-section images of mantle tomography have shown visible slabs of oceanic lithosphere (which includes oceanic crust) descending hundreds of miles beneath ocean trenches into subduction zones.1 These descending plates have been imaged all the way down to the top of the earth’s outer core2 and are composed of cold, brittle, dense rock about 62 miles thick.
Researchers from the Univ… More…
Source: icr.org
Thanks! Share it with your friends!
Tweet
Share
Pin It
LinkedIn
Google+
Reddit
Tumblr