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Quartz after tridymite in an acid intrusion from Mull

Published online by Cambridge University Press:  14 March 2018

R. R. Skelhorn
R. R. Skelhorn*
Affiliation:
King's College, London, W.C. 2
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Summary

The occurrence of tridymite, now inverted to quartz, in a craignurite (allied to granophyre) from Craignure, Mull, is described. An account of the field occurrence and petrology and a new analysis of the craignurite are given. The significance of the occurrence of tridymite is discussed in the light of recent experimental studies.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 33 , Issue 257 , June 1962 , pp. 138 - 144
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1962

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