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Reverse zoning between myrmekite and albite in a quartzofeldspathic gneiss from Broken Hill, New South Wales

Published online by Cambridge University Press:  05 July 2018

Evan R. Phillips  and
Ian J. Stone
Evan R. Phillips
Affiliation:
Department of Geology, Wollongong University College, Wollongong, N.S.W.
Ian J. Stone
Affiliation:
Department of Geology, Wollongong University College, Wollongong, N.S.W.
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Summary

Grain boundary migration and the exsolution of albite from alkali feldspar, followed by the precipitation of myrmekite from the same source on to adjacent plagioclase grains, will explain the reversed zoning of these phases in contrast to the normal zoning seen in igneous rocks.

Type
Research Article
Information
Mineralogical Magazine , Volume 39 , Issue 306 , June 1974 , pp. 654 - 657
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1974

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