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Barkevikite from Lugar, Ayrshire

Published online by Cambridge University Press:  14 March 2018

Alexander Scott
Alexander Scott*
Affiliation:
Mineralogical Department, University Museum, Oxford
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Extract

In recent years a number of alkali-rich rocks have been described, containing barkevikite or 'barkevikitic hornblende.' So far as I am aware, however, no detailed examination has been made of the mineral since Brögger's work on the original material from Barkevik in Norway, with the exception of the investigation by Michel Levy and Laeroix. Hence, when a rock was found amongst the Permo-Carboniferous rocks of Ayrshire, with comparatively large crystals of barkevikite, it was decided to examine it in some detail.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 17 , Issue 80 , December 1914 , pp. 138 - 142
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1914

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References

page 138 note 1 Brögger, W. C., Geol. För. Förh. Stockholm, 1887, vol. ix, p. 269 Google Scholar; Zeits. Kryst. Min., 1890, vol. xvi, pp. 412-415.

page 138 note 2 Lévy, A. M. and Lacroix, A., Compt. Rend. Acad. Sci. Paris, 1888, vol. cvi, p. 778 Google Scholar; and 'Les Minéraux des Roches,' 1888, p. 148. Compare C. Hintze, ' Handbueh der Mineralogie,' 1894, vol. i, pp. 1254, 1257.

page 138 note 3 Tyrrell, G. W., Geol. Mag. 1912, dec. 5, vol. ix, pp. 77–80 Google Scholar.

page 139 note 1 W. C. Brögger, loc. cit.

page 139 note 2 A. M. Lévy and A. Lacroix, loc. cit.

page 139 note 3 Rosenbusch, H., 'Mikroskopische Physiographie,' 1905, vol. i (2), p. 236 Google Scholar.

page 140 note 1 Lacroix, A., Bull. Soc. Géol. France, 1890, sér. 3, vol. xviii, pp. 513–514 Google Scholar; Minéralogie de la France,' 1893, vol. i, p. 665.

page 140 note 2 Lacroix, A., 'Les roches alcalines caractérisant la province pérographique d'Ampasindava.' Nouv. Arch. Mus. Hist. Nat. Paris, 1902, sér. 4, vol. i, p. 16 Google Scholar.

page 141 note 1 Hillebrand, W. F., Bull. U. S. Geol. Surv., 1910, No. 422, p. 96 Google Scholar.

page 141 note 2 Quoted by Brögger, loc. cit.

page 141 note 3 Lindgren, W., Amer. Journ. Sci., 1893, set. 8, vol. xlv, pp. 286–297 CrossRefGoogle Scholar.

page 142 note 1 Brögger, W. C., 'Die Eruptivgesteine des Kristianiagebiets.' 1894, vol. i, p. 27 Google Scholar.