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Hornblende—anthophyllite and hornblende—cummingtonite parageneses

Published online by Cambridge University Press:  05 July 2018

A. Choudhuri
A. Choudhuri*
Affiliation:
Geological Survey Department, Georgetown, Guyana
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Summary

The associations hornblende and anthophyllite or cummingtonite are dealt with briefly in the light of experimental data and naturally occurring assemblages. On the basis of the distribution of Mg and Fe2+ in coexisting amphiboles and on the calculated and experimental slopes of a reaction in which the amphiboles hornblende and anthophyllite are formed a tentative P-T-x diagram is suggested for these parageneses.

Type
Research Article
Information
Mineralogical Magazine , Volume 37 , Issue 292 , December 1970 , pp. 923 - 928
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1970

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