The Scotia Sea gateway: No outlet for Pacific mantle

  title={The Scotia Sea gateway: No outlet for Pacific mantle},
  author={Rainer Nerlich and Stuart R. Clark and Hans-Peter Bunge},
The Scotia Sea in the South Atlantic holds a prominent position in geodynamics, because it has been proposed as a potential outlet of asthenosphere from under the shrinking Pacific into the mantle beneath the opening Atlantic. Shear wave splitting and geochemical studies have previously tested this hypothesis. Here, we take a different approach by calculating presentday dynamic topography of the region in search for a systematic trend in dynamic topography decreasing from west to east in… CONTINUE READING

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The Scotia Sea gateway: no outlet for Pacific mantle

  • Nerlich
  • 2012

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