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On scawtite pseudomorphs after spurrite at Scawt Hill, Co. Antrim

Published online by Cambridge University Press:  14 March 2018

C. E. Tilley
C. E. Tilley*
Affiliation:
Department of Mineralogy and Petrology, University of Cambridge
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Extract

Scawtite was first described at Scawt Hill as a secondary mineral occurring in vesicles and venules in melilite of a melilite-rich hybrid of the endogenous contact-zone. Since then scawtite has been identified in a gehlenite-vesuvianite-ealcite-rock from the contact-zone of a gabbro in the Little Belt Mountains, Montana. The present note records a further occurrence of scawtite at Scawt Hill in a different patagenesis, viz. in association with and replacing spurrite of the exogenous contact-zone.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 25 , Issue 160 , March 1938 , pp. 38 - 40
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1938

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References

page 38 note 1 Tilley, C. E., Min. Mag, 1930, vol. 22, p. 222.CrossRefGoogle Scholar

page 38 note 2 Taylor, J.H., Amer. Min., 1935, vol 20, p. 126. [M.A. 6–125.]Google Scholar

page 38 note 3 Tilley, C.E., and Harwood, H.F., Min. Mag., 1931, vol. 22, p.445.CrossRefGoogle Scholar