Computer models suggest modern plate tectonics are due to blobs left behind by cosmic collision

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Computer models suggest modern plate tectonics are due to blobs left behind by cosmic collision

A small team of geologists and seismologists at the California Institute of Technology has found evidence via computer modeling that suggest giant blobs of material near the Earth's core, believed to have been created by a cosmic collision 4.5 billion years ago, may be responsible for modern plate tectonics.