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An occurrence of the mineral pumpellyite in the Lake Wakatipu region, western Otago, New Zealand

Published online by Cambridge University Press:  14 March 2018

C. Osborne Hutton
C. Osborne Hutton*
Affiliation:
Shirtcliffe Fellow of the University of New Zealand. Department of Mineralogy and Petrology, University of Cambridge
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Extract

Previous accounts of pumpellyite, a blue-gree n hydrous silicate of calcium and aluminium, are few in number; the first record is that of Palache and Vassar, who described the mineral after a study of the amygdaloidal rocks of the Keweenaw Peninsula. Later Burbank recorded a very similar occurrence in Haiti, West Indies. Again, it was observed as a constituent of veins cutting glaucophaneschists in California by Irving, Vonsen, and Gonyer, and later by Waldmann at Hochlantsch Mount, Styria, in an altered diabase, and from Lake Enare, Finnish Lapland, where it occurred in altered lime-silicate rocks. Pumpellyite was found by Quitzow in diabaseporphyrites and glaueophane-rocks from the Trias of northern Calabria, Italy.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 24 , Issue 157 , June 1937 , pp. 529 - 533
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1937

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References

Page 529 note 1 Palache, C. and Vassar, H. E., Some minerals of the Keweenawan copper deposits: pumpellyite, a new mineral; sericite; saponite. Amer. Min., 1925, vol. 10, pp. 412-418.Google Scholar [M.A. 3-8.]

Page 529 note 2 Burbank, W. S., Additional data on the properties of pumpellyite, and its occurrence in the Republic of Haiti, West Indies. Amer. Min., 1927, vol. 12, pp. 421-424.Google Scholar [M.A. 3-454.]

Page 529 note 3 Irving, J., Vonsen, M., and Gonyer, F. A., Pumpellyite from California. Amer. Min., 1932, vol. 17, pp. 338-342.Google Scholar [M.A. 5-233.]

Page 529 note 4 Waldmann, L., Pumpellyit aus Steiermark und Finnisch Lappland. Min. Petr. Mitt. (Tschermak), 1934, vol. 45, pp. 92-93.Google Scholar [M.A. 5-479.]

Page 529 note 5 Quitzow, H. W., Diabas-Porphyrite und Glaukophangesteine in der Trias yon Nordkalabrien. Nachr. Gesell. Wiss. Göttingen, math.-phys. Kl., 1935, N.F., vol. 1, no. 9, pp. 83-118.Google Scholar

Page 529 note 6 Quitzow, H. W., Pumpellyit, ein häufiges Hydrothermal- und Sekundär-mineral in basischen Gesteinen. Zentr. Min., Abt. A, 1936, pp. 39-46.Google Scholar [M.A. 6-429.]

Page 530 note 1 Tsuboi, S., Petrological notes. Japanese Journ. Geol. Geogr., 1936, vol. 13, pp. 333-337.Google Scholar

Page 530 note 2 Hutton, C. O. and Turner, F. J., Metamorphic zones in north-west Otago. Trans. Roy. Soc. New Zealand, 1936, vol. 65, pp. 405-406.Google Scholar

Page 531 note 1 Not observed on specimen of determined refractive index.