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The Petrography and Provenance of the Coniston Grits East of the Lune Valley, Westmorland

Published online by Cambridge University Press:  01 May 2009

R. R. Furness
R. R. Furness
Affiliation:
Department of Geology, The University, Hull.
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Abstract

The petrography of the Coniston Grits is described. Volcanic and sedimentary rock fragments suggest that the sediments were derived from the Ballantrae Series of the Southern Uplands, and not the Borrowdale Volcanic Series.

There is little palaeocurrent evidence for a border land mass, but it is suggested that coarse sedimentation during the Wenlockian was restricted to the Southern Uplands by a shallowing in the border area, which was finally overcome by Ludlovian times, to allow deposition of coarser material to the south.

Type
Articles
Information
Geological Magazine , Volume 102 , Issue 3 , June 1965 , pp. 252 - 260
Copyright
Copyright © Cambridge University Press 1965

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References

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