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Crustal plates
Movement of crustal plates over semi-molten asthenosphere.
Credit: U.S. Geological Survey
U.S. Department of the Interior/USGS
http://pubs.usgs.gov/gip/dynamic/unanswered.html
Movement of crustal plates over semi-molten asthenosphere.
Credit: U.S. Geological Survey
U.S. Department of the Interior/USGS
http://pubs.usgs.gov/gip/dynamic/unanswered.html
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