II.—On the Ashgillian Series
- 1 February 1907
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 4 (2) , 59-69
- https://doi.org/10.1017/s0016756800120175
Abstract
In my Address to the Geological Society in 1905 I proposed the use of the terra Ashgillian for the uppermost series of the Ordovician System, but did not discuss therein at length the exact relationship of the beds to which the term was applied, with the underlying and overlying strata. An examination of the literature treating of these rocks showed that there was a considerable amount of confusion with regard to these strata, and it is the object of this paper to clear this up and to indicate what deposits are actually referable to the Ashgillian division.Keywords
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