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The Torridonian Succession on the Islands of Fladday, Raasay, and Scalpay, Inverness-shire

Published online by Cambridge University Press:  01 May 2009

R. C. Selley
R. C. Selley
Affiliation:
Department of Geology, Royal School of Mines, Imperial College, London, S.W. 7.
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Abstract

The succession of the Torridonian rocks seen on the islands of Fladday, Raasay, and Scalpay is described. Three lithological fades indicative of three distinct sedimentary environments are recognized. Breccias and grits, believed to be sub-aerial in their lower part, are overlain, or pass laterally into, grey shales and sandstones of lacustrine or shallow water marine origin. These are succeeded by red fluviatile sandstones and shales, which, except near the base, are coarse grained and pebbly throughout much of the succession. Three cases of lateral facies variation are described and their significance discussed with regard to the Torridonian succession elsewhere in the Inner Hebrides and on the mainland.

Type
Articles
Information
Geological Magazine , Volume 102 , Issue 5 , October 1965 , pp. 361 - 369
Copyright
Copyright © Cambridge University Press 1965

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References

REFERENCES

Downie, C., 1962. So-called spores from the Torridonian. Proc. geol. Soc. Lond., 1600, 127.Google Scholar
Geikie, A., 1901. Summ. Progr. Geological Survey for 1900. H.M.S.O., London.Google Scholar
Irving, E., and Runcorn, S.. Palaeomagnetic investigations in Great Britain. II. Analysis of the palaeomagnetism of the Torridonian sandstone series of North-west Scotland. Phil. Trans., Ser. A. No. 974, 250, 83.Google Scholar
Naumova, S., and Pavlovski, E., 1961. Plant remains, spores, in the Torridonian shales of Scotland. Dokl. Acad. Sci. U.S.S.R., 141, No. 1, 181.Google Scholar
Peach, B., Horne, J., Gunn, W., Clouoh, C., Hinxman, L., and Teall, J., 1907. The Geological Structure of the North-west Highlands of Scotland. Mem. Geol. Surv. Great Britain. Glasgow.Google Scholar
Selley, R. C., Shearman, D. J. Sutton, J., and Watson, J.., 1963. Some underwater disturbances in the Torridonian of Skye and Raasay. Geol. Mag., 100, 22.Google Scholar
Selley, R. C. 1965. Diagnostic characteristics of fluviatile sediments of the Torridonian Formation Pre-Cambrian of North-west Scotland. J. sediment. Petrol., 35, 366–80.Google Scholar
Selley, R. C. in press. Petrography of the Torridonian rocks of Raasay and Scalpay, Inverness-shire.Google Scholar
Sutton, J., and Watson, J., 1960. Sedimentary Structures in the Epidotic Grits of Skye. Geol. Mag., 97, 106.Google Scholar
Sutton, J. 1963. Structures in shallow water Pre-Cambrian sediments from North-west Scotland. Sedimentology, 2, 207.Google Scholar
Sutton, J. 1964. Some aspects of Torridonian Stratigraphy in Skye and their bearing on Moine-Torridonian correlation. Proc. Geol. Assoc. Lond., 75, 251.Google Scholar