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Bismuth sulphosalts within quartz veining hosted by the Loch Shin monzogranite, Scotland

Published online by Cambridge University Press:  05 July 2018

D. Lowry ,
W. E. Stephens ,
D. A. Herd  and
C. J. Stanley
D. Lowry
Affiliation:
Department of Geography and Geology, Geology Division, University of St. Andrews, Fife KY16 9ST, UK
W. E. Stephens
Affiliation:
Department of Geography and Geology, Geology Division, University of St. Andrews, Fife KY16 9ST, UK
D. A. Herd
Affiliation:
Department of Geography and Geology, Geology Division, University of St. Andrews, Fife KY16 9ST, UK
C. J. Stanley
Affiliation:
Department of Mineralogy, Natural History Museum, Cromwell Road, London SW7 5BD, UK
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Abstract

The Loch Shin monzogranite is host to quartz veins bearing the sulphosalts aikinite, hammarite, lindströmite, krupkaite, gladite and pekoite, which belong to the aikinite-bismuthinite series, and represents the first significant occurrence of this series in the United Kingdom. Inclusions of the sulphotelluride tetradymite occur in krupkaite-gladite. Berryite is present as inclusions in chalcopyrite. Electron microprobe analyses reveal a range of compositions in individual crystal masses from hammarite to krupkaite in one sample, and from krupkaite to gladite in a second. Compositions between friedrichite and hammarite and gladite and pekoite are notably absent.

Keywords

Bismuth sulphosaltsaikinite-bismuthinite seriesCaledonian intrusivesLoch ShinScotlandmicroprobe dataX-ray powder diffraction
Type
Mineralogy
Information
Mineralogical Magazine , Volume 58 , Issue 390 , March 1994 , pp. 39 - 47
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1994

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Footnotes

*

Present address: Department of Geology, Royal Holloway University of London, Egham, Surrey TW20 0EX, UK

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