Physical Geology, page 17, chapt. The Earth: Inside and Out, 1987, John Wiley & Sons, ISBN 0-471-05668-5 Parsons, B.; McKenzie, D. (1978). "Mantle Convection April 2005). "Hole Drilled to Bottom of ...
This pulled elements and isotopes from continental crust down into the mantle under the developing supercontinent, Doucet explained. This geological conveyer belt continued in a slightly different ...
Had the team found evidence that the mantle plume under Easter Island has been active for 165 million years? To answer that question, Rojas-Agramonte needed evidence from the geology of the 'Ring ...
Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.