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Replacements involving early carnallite in the potassium-bearing evaporites of Yorkshire

Published online by Cambridge University Press:  14 March 2018

F. H. Stewart
F. H. Stewart*
Affiliation:
Department of Geology, Science Laboratories, South Road, Durham
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Summary

Evidence from four recent boreholes in the Yorkshire potash field suggests that carnallitic was an important original constituent of the Middle Evaporite Bed, and that much of the sylvine of the potash zone is of secondary origin.

The carnallitie rocks have been affected by complex replacements, an earlier series involving sylvine, halite, and anhydrite, and a later series involving rinneite, halite, sylvine, and carnallitic.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 31 , Issue 233 , June 1956 , pp. 127 - 135
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1956

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References

Armstrong, (G.), Dunham, (K. C.), Harvey, (C. O.), Sabine, (P. A.), and Waters, (W. F.), 1951. Min. Mug., vol. 29, p. 667.Google Scholar
Raymond, (L. R.), 1953. Quart. Journ. Geol. Soc., vol. 108, p. 283.CrossRefGoogle Scholar
Stewart, (F. H.), 1949. Min. Mag., vol. 28, p. 621.Google Scholar
Stewart, (F. H.), 1951. Ibid., vol. 29, p. 445.Google Scholar
Stewart, (F. H.), 1951. Ibid., vol. 29, p. 557.Google Scholar
Stewart, (F. H.), 1954. Proc. Yorks. Geol. Soc., vol. 29, p. 185.CrossRefGoogle Scholar