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The hydroxyl-stretching region of the biotite mica spectrum1

Published online by Cambridge University Press:  14 March 2018

R. W. T. Wilkins*
Affiliation:
Department of Geological Sciences, Harvard University, Cambridge, Massachusetts

Summary

An interpretation of part of the hydroxyl-stretching region of the infra-red absorption spectrum of biotite is proposed. A consideration of band shapes enables the interpretation to be quantified and tested against a series of natural biotites. The equation derived may be used to determine the atomic ratio Mg2+/(Mg2++Fe2+) in biotites but the necessary assumptions and simplifications make it unlikely that the method will be very useful in practice.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1967

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Footnotes

1

Published under the auspices of the Committee on Experimental Geology and Geophysics at Harvard University.

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