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From Dolerite to Diorite: Older Granite Activity near Ellon, Aberdeenshire

Published online by Cambridge University Press:  01 May 2009

O. C. Farquhar
O. C. Farquhar
Affiliation:
Department of Geology and Mineralogy, Marischal College, Aberdeen.
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Abstract

Hornblende-schists, probably intruded as dolerite sills, have been permeated by trondhjemitic material. Conversion to rocks of dioritic aspect is the end-stage of this process, but the intermediate stages are more common. The conversion has been effected with little displacement so that all varieties can be observed in their correct sequence.

Type
Articles
Information
Geological Magazine , Volume 90 , Issue 6 , December 1953 , pp. 393 - 403
Copyright
Copyright © Cambridge University Press 1953

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References

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