Two-Stage Origin of K-Enrichment in Ultrapotassic Magmatism Simulated by Melting of Experimentally Metasomatized Mantle

Two-Stage Origin of K-Enrichment in Ultrapotassic Magmatism Simulated by Melting of Experimentally Metasomatized Mantle

The generation of strongly potassic melts in the mantle requires the presence of phlogopite in the melting assemblage, while isotopic and trace element analyses of ultrapotassic rocks frequently indicate the involvement of subducted crustal lithologies in the source. However, phlogopite-free experim...

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Bibliographic Details
Main Authors: Michael W. Förster, Stephan Buhre, Bo Xu, Dejan Prelević, Regina Mertz-Kraus, Stephen F. Foley
Format: Article
Language:English
Published: MDPI AG 2019-12-01
Series:Minerals
Subjects:
lamproites
high-pressure experiments
ultrapotassic
k-enrichment
subduction zones
Online Access:https://www.mdpi.com/2075-163X/10/1/41

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