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On the preferred crystallographic orientation of garnet in some metamorphic rocks

Published online by Cambridge University Press:  14 March 2018

Derek Powell
Derek Powell*
Affiliation:
Department of Geology, Bedford College, University of London
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Summary

A study of inclusions within garnet porphyroblasts demonstrates that planar inclusion bands and trails lie sub-parallel to one of the {110} planes of the host. The inclusions provide a relic of a rock fabric that existed before the growth of garnet. It is suggested that this fabric has determined the crystallographic orientation of garnet and may have arisen by the nucleation and epitaxial growth of garnet within or upon the mica lattice.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 276 , December 1966 , pp. 1094 - 1109
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1966

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