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Pumpellyite-bearing basic igneous rocks from the Lower Ordovician of North Pembrokeshire, Wales

Published online by Cambridge University Press:  05 July 2018

R. E. Bevins
R. E. Bevins*
Affiliation:
Department of Geology, The University, Keele, Staffs. ST5 5BG
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Summary

The first occurrence of pumpellyite in the Lower Ordovician volcanic rocks of North Pembrokeshire is reported and its form and chemistry are described. The significance of pumpellyite in relation to the grade of metamorphism attained during the Caledonian orogenic episode is discussed.

Type
Research Article
Information
Mineralogical Magazine , Volume 42 , Issue 321 , March 1978 , pp. 81 - 83
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1978

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