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Platinum-group mineralization in the Rum layered intrusion, Scottish Hebrides, UK

Butcher, A. R., Pirrie, D., Prichard, Hazel Margaret and Fisher, Peter Charles 1999. Platinum-group mineralization in the Rum layered intrusion, Scottish Hebrides, UK. Journal of the Geological Society 156 (2) , pp. 213-216. 10.1144/gsjgs.156.2.0213

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Abundant and diverse platinum-group minerals occur in the Rum layered intrusion, Inner Hebrides, Scotland. Platinum-group minerals are associated with chromite-rich horizons in both the Eastern and Western layered series, and are enclosed by Ni- and Cu-rich sulphides, or silicates. The most common phases are Pd–Cu alloys; Pt–Fe alloys; laurite (Ru(Ir,Os)S2); sperrylite (PtAs2); and Pt–Pd-bearing bismuthides, tellurides and antimonides. The mineralization on Rum is due to: (1) initial concentration in the parental magma linked to a high degree of melting associated with mantle plume activity, and (2) localized concentration due to magma mixing and subsequent crystallization within an open-system magma chamber.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Publisher: Geological Society of London
ISSN: 0016-7649
Last Modified: 03 Apr 2018 20:52

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