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Dickite from sandstones in northern England and North Wales

Published online by Cambridge University Press:  14 March 2018

Frank Smithson  and
George Brown
Frank Smithson
Affiliation:
University College of North Wales, Bangor
George Brown
Affiliation:
Rothamsted Experimental Station, Harpenden
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Summary

The occurrence of dickite as a rock-forming mineral in sandstones of the Lower Carboniferous Series, the Millstone Grit, and the Middle Jurassic has been reported previously by the authors. In view of the paucity of data on this mineral, six samples were purified and examined optically, by staining tests, and by the X-ray powder method. In addition, a chemical analysis, a differential thermal analysis, and a thermal weight-loss curve were made on the purest sample. The investigations confirm the identity of the material.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 31 , Issue 236 , March 1957 , pp. 381 - 391
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1957

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