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The Cwm Dulyn rhyolite, Snowdonia–an extrusive dome?

Published online by Cambridge University Press:  01 May 2009

J. B. Wright
Affiliation:
Department of Earth Studies, The Open University, Walton, Bucks., U.K.
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Abstract

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Type
Correspondence
Copyright
Copyright © Cambridge University Press 1974

References

Rast, N. 1969. Ordovician structure and volcanicity in Wales. In Wood, A. (Ed.): The Precambrian and Lower Palaeozoic Rocks of Wales. University of Wales Press, Cardiff, pp. 305–35.Google Scholar
Roberts, B. 1969. The Llwyd Mawr ignimbrite and its associated volcanic rocks. In Wood, A. (Ed.): The Precambrian and Lower Palaeozoic Rocks of Wales. University of Wales Press, Cardiff, pp. 337–56.Google Scholar
Thompson, B. N., Kermode, L. O. & Edward, A. (Eds). 1965. New Zealand Volcanology, Central Volcanic Region. N.Z. Dep. sci. industr. Res. Inf. Ser. No. 50.Google Scholar