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The interpretation of pyrrhotine-pentlandite- tochilinite-magnetite-magnesite textures in serpentinites from Mount Keith, Western Australia
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AbstractThe 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.
Title: The interpretation of pyrrhotine-pentlandite- tochilinite-magnetite-magnesite textures in serpentinites from Mount Keith, Western Australia
Description:
AbstractThe 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.
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