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The Cambrian Rocks of Arvon

Published online by Cambridge University Press:  01 May 2009

Edward Greenly
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Extract

Some eight or nine tracts are now recognized. At Bangor there are two, and an isolated one at Carnarvon;the rest are in the Tregarth country. On the older one-inch maps, all of this was coloured as Cambrian, but during the “25-inch” survey, the greater part of it had to be transferred to Arvonian, reducing the Cambrian to a group of outliers.

Type
Articles
Information
Geological Magazine , Volume 81 , Issue 4 , August 1944 , pp. 170 - 175
Copyright
Copyright © Cambridge University Press 1944

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