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Science 26 March 1976:
Vol. 191. no. 4233, pp. 1276 - 1278
DOI: 10.1126/science.191.4233.1276
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Articles

Laboratory Plate Tectonics: A New Experiment

ROGER F. GANS 1

1 Department of Mechanical and Aerospace Sciences, University of Rochester, Rochester, New York 14627

A "continent" made of a layer of hexagonally packed black polyethylene spheres floating in clear silicon oil breaks into subcontinents when illuminated by an ordinary incandescent light bulb. This experiment may be a useful model of plate tectonics driven by horizontal temperature gradients. Measurements of the spreading rate are made to establish the feasibility of this model.

Submitted on December 15, 1975


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Science. ISSN 0036-8075 (print), 1095-9203 (online)