Mesonorms of Granitic Rock Analyses

G. R. Parslow
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.

Mineralogical Magazine; June 1969 v. 37; no. 286; p. 262-269; DOI: 10.1180/minmag.1969.037.286.17
© 1969, The Mineralogical Society
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