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Variability of garnet in granites

Published online by Cambridge University Press:  14 March 2018

A. Brammall  and
S. Bracewell
A. Brammall
Affiliation:
Geological Department, Imperial College of Science and Technology, London
S. Bracewell
Affiliation:
Geological Department, Imperial College of Science and Technology, London
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Extract

IN extending earlier work on the distribution and significance of manganiferous garnet in the Dartmoor granites, the senior author found it necessary to determine whether the average composition of the Dartmoor species was fairly represented by the single complete analysis (II, below) hitherto available - that of an aggregate of garnet fragments separated from crushed tor-granite.

As a preliminary step a similar aggregate from the cordierite-rich granite exposed in the Sweltor quarry was analysed (I).

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 24 , Issue 152 , March 1936 , pp. 254 - 256
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1936

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References

Note

page 254 note 1 Brammall, A. and Harwood, H. F., The Dartmoor granites: their genetic relationships. Quart. Journ. Geol. Soc. London, 1932, vol. 88, pp. 189-191.CrossRefGoogle Scholar