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Article
Nature 291, 17-21 (7 May 1981) | doi:10.1038/291017a0; Received 31 October 1980; Accepted 11 March 1981
The structure of West Antarctica from geophysical studies
E. J. Jankowski & D. J. Drewry
- Scott Polar Research Institute, University of Cambridge, Lensfield Road, Cambridge CB2 1ER, UK
Abstract
The subglacial topographical and geological configurations of West Antarctica and the boundary zone between East and West Antarctica are poorly known, yet they are crucial to our understanding of the tectonic evolution of the Pacific–proto Atlantic margin of Gondwanaland. Preliminary results are presented of simultaneous airborne radio echo and magnetic sounding of 
106 km2 of West Antarctica including detailed maps of ice sheet and bedrock surfaces. Magnetics, radio echo and other available geophysical data suggest interpretations of sub-glacial geology.
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