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The Intrusion-Breccia of Dunmore, Co. Donegal

Published online by Cambridge University Press:  01 May 2009

W. J. French  and
W. S. Pitcher
W. J. French
Affiliation:
King's College, University of London, Strand, London. W.C. 2.
W. S. Pitcher
Affiliation:
King's College, University of London, Strand, London. W.C. 2.
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Abstract

A small plug-like body is made up of an intrusive breccia contained within a ring of felsite. The felsitic matrix of the breccia is of composite origin and certain textures may indicate contemporaneous breaking of crystals. Attention is drawn to the association of this diatreme with the suite of felsite, hornblende lamprophyre, and hornblendite intrusions clustered around the diapiric pluton of Ardara.

Type
Articles
Information
Geological Magazine , Volume 96 , Issue 1 , February 1959 , pp. 69 - 74
Copyright
Copyright © Cambridge University Press 1959

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References

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