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On Fluoborite from Selibin, Malaya

Published online by Cambridge University Press:  01 May 2009

R. W. Johnston  and
C. E. Tilley
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Extract

The Beatrice Mine at Selibin in the Federated Malay States formed a unique type of tin deposit characterized by its richness in cassiterite and the striking paragenesis of its contained minerals. The mine, now worked out, was developed in a pipe representing a replacement of Permo-Carboniferous dolomite near the margin of the Kledang granite of the Kinta Valley and a systematic account of the geology and petrology of the deposit has been given by Mr. E. S. Willbourn, Director of the Geological Survey (F.M.S.).1 In this account the principal minerals of the pipe were shown to be tremolite, talc, mica, fluorite, and a “hydrated magnesium borate” with cassiterite and arsenopyrite as the chief ore minerals.

Type
Articles
Information
Geological Magazine , Volume 77 , Issue 2 , April 1940 , pp. 141 - 144
Copyright
Copyright © Cambridge University Press 1940

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References

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