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The occurrence of eclogite on the Lyell Highway, Tasmania

Published online by Cambridge University Press:  14 March 2018

Alan Spry
Alan Spry*
Affiliation:
Department of Geology, University of Tasmania
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Summary

Eclogite occurring about 20 miles east of Queenstown, Tasmania, is the first example of this kind of rock to be described in detail from Australia. It has the chemical composition of a basic igneous rock and consists of garnet (A115.8Fe‴0.6Fe″10.0Mg7.3Ca5.7Si24O96) and pyroxene (Ca4.5Na2.5Mg3.7Fe″0.7Fe‴0.4Ti0.1Aliv3.7Aliv0.7Si15.3O48)with amphibole, muscovite, zoisite, quartz, rutile, and pyrite. The eclogite consists of lenticular bodies within Precambrian garnetiferous schists.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 33 , Issue 262 , September 1963 , pp. 589 - 593
Copyright
Copyright © 1963, The Mineralogical Society

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