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On an Ultrabasic Epidiorite from St. Catherine's, Loch Fyne

Published online by Cambridge University Press:  01 May 2009

John D. H. Wiseman
Affiliation:
Department of Mineralogy and Petrology, Cambridge.

Extract

The epidiorite with which this note is concerned is exposed in a small overgrown quarry 50 yards north of St. Catherine’s old Chapel, Loch Fyne. The rock is soft and is easy to cut, and it is said that some was used in the building of Inveraray Castle.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1934

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References

page 425 note 1 Orcel, J., Bull. Soc. Franc. Min., vol. 1, p. 343.Google Scholar

page 425 note 2 Winchell, A. N., Am. Journ. Sci., 1926, p. 288.Google Scholar

page 425 note 3 The presence of ultrabasic epidiorites at St. Catherine’s has been previously recorded by the authors of the Cowal Memoir, Mem. Geol. Surv., 1897, p. 64.Google Scholar

page 426 note 1 Hess, H. H., Am. Journ. Sci., xxvi, 1933, 382.Google Scholar

page 426 note 2 Bowen, N. L., “Evol. of Igneous Rocks,” 1928, p. 154.Google Scholar

page 426 note 3 Asklund, B., Sver. Oeol. Unders., No. 17, 1923, p. 77.Google Scholar

page 426 note 4 Asklund, (op. cit., p. 77) has shown that in a norite the amounts of modal and normative plagioclase are approximately equal.Google Scholar

page 427 note 1 Wiseman, J. D. H., Proc. Geol. Soc. London, 1934, p. 22. The complete memoir on the Highland Epidiorites has yet to be published.Google Scholar