Depleted spinel harzburgite xenoliths in Tertiary dykes from East Greenland : Restites from high degree melting

@inproceedings{Bernstein1998DepletedSH,
  title={Depleted spinel harzburgite xenoliths in Tertiary dykes from East Greenland : Restites from high degree melting},
  author={Stefan Bernstein and Peter b. Kelemen and Caroline Brooks},
  year={1998}
}
A new collection of mantle xenoliths in Tertiary dykes from the Wiedemann Fjord area in Southeast Greenland shows that this part of the central Greenland craton is underlain by highly depleted peridotites. The samples are mostly spinel Ž . harzburgites with highly forsteritic olivines Fo , average Fo . This, together with unusually high modal olivine 87– 94 92.7 Ž . contents 70–)95% , places the Wiedemann harzburgites in a unique compositional field. Relative to depleted Kaapvaal Ž harzburgites… CONTINUE READING
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