Petrogenesis of Orangeites and Kimberlites
Many years of study have not resulted in general agreement concerning the petrogenesis of continental alkaline rocks. Unfortunately, petrologists, acting from a stance of promoting their own particular bias, be it geophysical, experimental, geochemical, or tectonic, have devised contradictory models for a given magma type. Once introduced, such models are commonly promoted by their originators without impartial reflection on all aspects of the problem or consideration of competing hypotheses.
KeywordsSource Rock Partial Melting Lithospheric Mantle Kaapvaal Craton Garnet Lherzolite
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