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The interpretation of pyrrhotine-pentlandite- tochilinite-magnetite-magnesite textures in serpentinites from Mount Keith, Western Australia

Published online by Cambridge University Press:  05 July 2018

R. van de Vusse  and
Roger Powell
R. van de Vusse
Affiliation:
Department of Geology, University of Western Australia, Nedlands, Western Australia, 6009, Australia
Roger Powell
Affiliation:
Department of Earth Sciences, University of Leeds, Leeds LS2 9JT, UK
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Abstract

The ultramafic-hosted disseminated nickel sulphide deposit at Mount Keith, Western Australia, originally consisted of sulphide droplets and chrome spinels interstitial to olivine. During cooling, the sulphide droplets crystallized to pentlandite-pyrrhotine. Hydration and carbonation caused rimming and replacement of pentlandite-pyrrhotine by tochilinite, magnetite, and magnesite. These textures are interpreted in terms of diffusion between serpentinite matrix and the sulphide blebs.

Type
Research Article
Information
Mineralogical Magazine , Volume 47 , Issue 345 , December 1983 , pp. 501 - 505
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1983

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Footnotes

*

Present address: Department of Earth Sciences, University of Leeds, Leeds LS2 9JT, UK

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