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VIII.—How Chlorite is Converted into Biotite

Published online by Cambridge University Press:  01 May 2009

C. Callaway
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Extract

General Mcmahon's paper in the GEOLOGICAL MAGAZINE for June attacks my conclusion that the Malvern biotite is formed from chlorite, but leaves my evidence untouched. Indeed, a large part of the article is occupied in discussing a theory which I do not hold. I have never said that the chlorite was converted into biotite by contact-action only. That there may be no further mistake, let me repeat that, in the Malvern rocks, chlorite is changed to biotite by contact-action plus dynamic deformation.

Type
Original Articles
Information
Geological Magazine , Volume 1 , Issue 7 , July 1894 , pp. 320 - 322
Copyright
Copyright © Cambridge University Press 1894

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