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Volcanic Rocks in the Anglo-Egyptian Sudan

Abstract

IN connection with Prof. J. W. Gregory's reference in NATURE of February 19, p. 667, to the discovery of the Bayuda volcanic field, and Mr. Campbell Smith's record of a riebeckite-rhyolite which constituted a number of stone implements found at Jebel Katul, in Northern Kordofan (ibid., February 26, p. 693), some further notes may be of interest.

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GRABHAM, G. Volcanic Rocks in the Anglo-Egyptian Sudan. Nature 105, 199–200 (1920). https://doi.org/10.1038/105199b0

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