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Cleavage formation in the Skiddaw Slates of the Northern Lake District, England

Published online by Cambridge University Press:  01 May 2009

D. E. Roberts
D. E. Roberts*
Affiliation:
91, Cardiff Road, Aberaman, Aberdare, Wales
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Summary

Cleavage structures from two localities in the Northern Lake District, England, are described, and they are discussed critically in relation to the tectonic de-watering hypothesis. It is concluded that, whilst tectonic de-watering may aid in the formation of a slaty cleavage, strain is the primary mechanism for producing such structures.

Type
Research Article
Information
Geological Magazine , Volume 113 , Issue 4 , July 1976 , pp. 377 - 382
Copyright
Copyright © Cambridge University Press 1976

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References

Maxwell, J. C. 1962. Origin of Slaty and Fracture Cleavage in the Delaware Water Gap area, New Jersey and Pennsylvania. Geol. Soc. Am. Buddington Volume, 281–311.Google Scholar
Moseley, F. 1972. A Tectonic History of northwest England. Jl geol. Soc. Lond. 128, 561–98.CrossRefGoogle Scholar
Powell, C. Mc. A. 1972. Tectonically de-watered slates in the Ludlovian of the Lake District, England. Geol. Jl 8, 95–110.CrossRefGoogle Scholar
Roberts, D. E. (In the Press.) The structure of the Skiddaw Slates in the Blencathra-Mungrisdale Area, Cumbria.Google Scholar
Siddans, A. W. B. 1972. Slaty Cleavage – A review. Earth Sci. Reviews. Google Scholar