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Dipping Low-Velocity Layer in the Mid-Lower Mantle: Evidence for Geochemical Heterogeneity

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Science  19 Mar 1999:
Vol. 283, Issue 5409, pp. 1888-1892
DOI: 10.1126/science.283.5409.1888

Article Information

vol. 283 no. 5409 1888-1892

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History: 
  • Received for publication October 29, 1998
  • Accepted for publication February 8, 1999
  • .

Author Information

  1. Satoshi Kaneshima1,*,
  2. George Helffrich2
  1. 1 Department of Earth and Planetary Sciences, Faculty of Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152, Japan.
  2. 2 Department of Geology, University of Bristol, Queens Road, Bristol, UK.
  1. *To whom correspondence should be addressed.

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