Drift of Continental Rafts with Asymmetric Heating

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Science  02 Jun 1972:
Vol. 176, Issue 4038, pp. 1023-1024
DOI: 10.1126/science.176.4038.1023


A laboratory model of a lithospheric raft is propelled through a viscous asthenospheric layer with constant velocity of scaled magnitude appropriate to continental drift. The propulsion is due to differential heat concentration in the model oceanic and continental crusts.