References & Sources  -  September 26, 1998

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Deep rock gives lift to Africa

Upwelling currents near the bottom of Earth’s mantle may explain why southern Africa sits so high.

 

References:

Lithgow-Bertelloni, C., and P.G. Silver. 1998. Dynamic topography, plate driving forces and the African superswell. Nature 395(Sept. 17):269.

 

Sources:

Carolina Lithgow-Bertelloni
University of Michigan
Department of Geological Sciences
Ann Arbor, MI 48109

Andrew A. Nyblade
Pennsylvania State University
Department of Geosciences
503 Deike Building
University Park, PA 16802

Paul G. Silver
Carnegie Institute of Washington
Department of Terrestrial Magnetism
Washington, D.C. 20015

From Science News, Vol. 154, No. 13, September 26, 1998, p. 205.
Copyright Ó 1998 by Science Service.