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Some Unusual Structures in Rhaetic Sandstones, near Cowbridge, Glamorgan

Published online by Cambridge University Press:  01 May 2009

Trevor M. Thomas
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Abstract

The best known exposures of Rhaetic strata in Glamorgan are those of the Lavernock and Penarth cliff sections, where the normal black shales—thin limestones facies are displayed. In the central and west Vale of Glamorgan, however, massive sandstones are the dominant Rhaetic formation. The construction of a housing site has revealed the presence of numerous voids or cavities in these sandstones, the origin of which is attributed to decalcification.

Type
Articles
Information
Geological Magazine , Volume 88 , Issue 6 , December 1951 , pp. 404 - 408
Copyright
Copyright © Cambridge University Press 1951

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References

REFERENCES

Richardson, L., 1905. The Rhaetic and Contiguous Deposits of Glamorganshire. Quart. Journ. Geol. Soc., lxi, 385–424.Google Scholar
Strahan, A., and Cantrill, T. C., 1904. The Geology of the South Wales Coalfield, Part VI. The Country around Bridgend. Mem. Geol. Surv., 35–57.Google Scholar