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New determinations of tin and tungsten in granites from south-west England

Published online by Cambridge University Press:  05 July 2018

D. H. M. Alderton  and
F. Moore
D. H. M. Alderton
Affiliation:
Dept. of Geology, Imperial College, London, SW7 2BP
F. Moore
Affiliation:
Dept. of Geology, Faculty of Arts and Science, Shiraz University, Iran
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Extract

Recent studies on the development of Sn-W mineralization in south-west England (Sheppard, 1977; Simpson et al., 1979; Jackson et al., 1979) indicate that the hydrothermal fluids dominantly consisted of local meteoric waters. These waters were heated up and drawn into the granite in a convective hydrothermal system. It is proposed that the fluids leached Sn and W from minerals such as the dark micas, during their passage through the granite. These metals were then deposited in veins at higher levels in the system.

Type
Short Communications
Information
Mineralogical Magazine , Volume 44 , Issue 335 , September 1981 , pp. 354 - 356
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1981

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