Mica in the upper mantle |
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Authors: | J B Dawson D G Powell |
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Institution: | (1) Department of Geology, University of St. Andrews, Fife, Scotland;(2) Department of Chemistry, University of St. Andrews, Fife, Scotland |
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Abstract: | Despite several lines of indirect evidence, there has hitherto been little unambiguous evidence of a volatile bearing phase in the upper mantle. Mica has been found as a primary phase in several specimens of peridotite and one specimen of garnet lherzolite from the Lashaine volcano, northern Tanzania. |
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