A Xenolithic Sill at Tallabrista, Co. Donegal, Ireland
- 1 February 1951
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 88 (1) , 55-59
- https://doi.org/10.1017/s0016756800068928
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.Keywords
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