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Cordierite in the peraluminous granites of the Meguma Zone, Nova Scotia, Canada

Published online by Cambridge University Press:  05 July 2018

Lynne A. Maillet  and
D. Barrie Clarke
Lynne A. Maillet
Affiliation:
Department of Geology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 3J5
D. Barrie Clarke
Affiliation:
Department of Geology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 3J5
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Abstract

The peraluminous granitoid intrusions of southern Nova Scotia contain several mineralogical expressions of the excess alumina, including variable amounts of cordierite, in different textural types of granitoids, ranging from fine-grained aplites through coarser grained monzogranites and granodiorites, to very coarse-grained pegmatites. A detailed study of the spatial, textural and chemical characteristics of these cordierites suggests that the majority are of relict metamorphic origin, but that primary magmatic cordierites, as well as cordierites which grew in equilibrium with a water-rich fluid phase, also occur.

Keywords

cordieritegranitoidsNova ScotiaCanada
Type
Research Article
Information
Mineralogical Magazine , Volume 49 , Issue 354 , December 1985 , pp. 695 - 702
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1985

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