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A Xenolithic Sill at Tallabrista, Co. Donegal, Ireland

Published online by Cambridge University Press:  01 May 2009

Amin Gindy
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Abstract

An epidiorite sill emplaced in quartzites becomes charged with xenoliths of quartzite and of an amphibole-rich rock possibly derived from underlying limestone horizons. The matrix of the xenolith-rich part of the sill is studied with large hornblende-biotite “crystals” that may represent small limestone xenoliths that have been basified and homogenized.

Type
Articles
Information
Geological Magazine , Volume 88 , Issue 1 , February 1951 , pp. 55 - 59
Copyright
Copyright © Cambridge University Press 1951

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