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Riebeckite in Trachytic Rocks from Abyssinia

Published online by Cambridge University Press:  14 March 2018

G. T. Prior
G. T. Prior*
Affiliation:
Mineral Department of the British Museum
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Extract

It is now ten years since Sauer first described under the name of riebeckite a new species of blue hornblende in the granite of Socotra.

Since that time its occurrence in the British Isles has been noted in the " felsite " of Mynydd Mawr, N. Wales ; in the " microgranite " of Ailsa Craig, Firth of Clyde; in glacial deposits from the Isle of Man; Moel Tryfaen, N. Wales; Greystones, Co. Wicklow; and Greenore, Carlingford; in granophyre from Meall Dearg, Skye; and in felsite from Middle Eildon, Roxburghshire.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 12 , Issue 55 , April 1899 , pp. 92 - 95
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1899

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References

page 92 note 1 "Ueber Riebeckite, ein neues Glied der Hornblendegruppe." Zdts. deutsch, geol. Ges. XL. (1888), p. 138.

page 92 note 2 Bonney, , Min. Mag . VIII. (1888), pp. 103, 169CrossRefGoogle Scholar; Harker, Geol. Mag. 1888, p. 455.

page 92 note 3 Teall, , Min. Mag . IX. (1891), p. 219 CrossRefGoogle Scholar; I-Ieddle, Trans. Edin. Geol. Soc. VII. (1897), p. 265.

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page 92 note 7 Teall, Quart. Journ. Geol. Soc. 1894, p. 219.

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page 92 note 11 Rosenbusch, ibid. p. 510, 1895.

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page 92 note 13 Osann, Geol. Survey of Texas, 4. Annual Report, 1893.

page 92 note 14 Lane, , Am. Journ. Sei . XLII. (1891), 508 Google Scholar.

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page 95 note 1 Extinction on c(001) 0°--2° on b 010) 9°-12° strong sodium flame.

A correction has been issued for this article:

Errata