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Kimberlites pp 359-397 | Cite as

Petrogenesis and Evolution of Kimberlite Magma

  • Roger H. Mitchell

Abstract

Hypotheses regarding the petrogenesis of kimberlite and its relationships with other magmas have ranged from the commonplace, e.g., fractional crystallization of incompatible element-poor magma (O’Hara and Yoder 1967), to the bizarre, e.g., Mikheyenko’s (1977) proposal that kimberlites am sedimentary rocks formed in Archean river deltas which have been subsequently mobilized as sedimentary tectonic breccias. Most petrogenetic schemes bear the imprint of the philosophy prevailing at the time of their introduction. This characteristic is no less true of current ideas than those of the 1930s; thus modern hypotheses, which hinge upon the fashionable concept of a metasomatized mantle as a panacea for all petrological problems, have heralded a resurgence of “Maxwell’s Demons” and the eclipse (temporarily?) of fractional crystallization models.

Keywords

Partial Melting Oxygen Fugacity Incompatible Element Silica Activity Garnet Lherzolite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1986

Authors and Affiliations

  • Roger H. Mitchell
    • 1
  1. 1.Lakehead UniversityThunder BayCanada

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