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Formation of the Earth’s Proto-Crust

  • Vsevolod N. AnfilogovEmail author
  • Yurij V. Khachay
Chapter
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Part of the SpringerBriefs in Earth Sciences book series (BRIEFSEARTH)

Abstract

In this chapter, we analyze the model composition of the Earth’s upper mantle, which may have formed as a result of the evolution of the PT conditions obtained. Consideration is given to the variant in which, as the melt layer decreases, it is depleted by the oxide of aluminum and enriched by alumina. With the further cooling of the melt layer, the conditions for the formation of anorthosite in the surface layers occur.

Keywords

Heterogeneous melt layer Fractioning Pyrolyte Anorthosite Greenstone 

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  1. 1.Institute of MineralogyRussian Academy of SciencesMiassRussia
  2. 2.Institute of GeophysicsRussian Academy of SciencesEkaterinburgRussia

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