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Riebeckite-rhyolite from northern Kordofan, Sudan1

Published online by Cambridge University Press:  14 March 2018

Extract

While investigating the relies of early habitations at Beraeis, near Jebel Katul, 100 miles N.W. of El Obeid, northern Kordofan, Dr. C. G. Seligman found a number of implements all made of a finegrained, blue-grey stone, quantities of which he found at the base of Jebel Katul. A fragment of this stone was examined by Dr. G. T. Prior in 1912, and found to be rich in riebeckite.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1920

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Footnotes

1

Published by permission of the Trustees of the British Maseum.

References

1 Linck, G., Neues Jahrb. Min., 1908, B.-Bd. 17, pp. 488-442.Google Scholar

2 Prior, G. T., Mineralog. Mag., 1900, vol. 12, pp. 242244.Google Scholar

3 Prior, G. T., ibid., 1899, vol. 12, pp. 9295.Google Scholar

4 J. W. Gregory, , Nature, 1920, vol. 104, p. 667.CrossRefGoogle Scholar

5 See also Grabham, G. W., Nature, 1920, vol. 105, p. 199.CrossRefGoogle Scholar