Deep rock gives lift to Africa
Upwelling currents near the bottom of Earths mantle may explain why southern Africa sits so high.
Lithgow-Bertelloni, C., and P.G. Silver. 1998. Dynamic topography, plate driving forces and the African superswell. Nature 395(Sept. 17):269.
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.
Back to Table of Contents - 9/26/98
copyright 1998 ScienceService