Continental drift (Introduction)

by David Turell @, Saturday, June 02, 2012, 20:15 (4344 days ago) @ David Turell

Plate techtonics only explain the past 3 billion years. The 1.7 billion years before that of crustal activity needs a new theory.-
http://www.sciencedaily.com/releases/2012/06/120601120606.htm


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