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Mesonorms of granitic rock analyses

Published online by Cambridge University Press:  05 July 2018

G. R. Parslow*
Affiliation:
Department of Geology and Geography, Kingston College of Technology Kingston-upon-Thames

Summary

A modification to the CIPW norm, to account for the presence of biotite or muscovite or both in granite rocks, is described. The modification is most significant in norms that have been reduced to three components and plotted on experimental phase diagrams, such as the systems Q-Or-Ab and Or-Ab-An.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1969

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