Coalingite from kimberlite breccia of the Manchary pipe, Central Yakutia

Coalingite, Mg 10 Fe 2 (CO 3 )(OH) 24 · 2H 2 O, rare Mg–Fe hydrous carbonate, has been found in the course of the mineralogical study of a disintegrated kimberlite breccia from the Manchary pipe of the Khompu–May field located in the Tamma Basin, Central Yakutia, 100 km south of Yakutsk. Coalingite...

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Bibliographic Details
Published in:Geology of ore deposits 2015-12, Vol.57 (8), p.732-736
Main Authors: Zayakina, N. V., Oleinikov, O. B., Vasileva, T. I., Oparin, N. A.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Mineral Resources
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Summary:Coalingite, Mg 10 Fe 2 (CO 3 )(OH) 24 · 2H 2 O, rare Mg–Fe hydrous carbonate, has been found in the course of the mineralogical study of a disintegrated kimberlite breccia from the Manchary pipe of the Khompu–May field located in the Tamma Basin, Central Yakutia, 100 km south of Yakutsk. Coalingite occurs as small reddish brown platelets, up to 0.2 mm in size. It is associated with lizardite, chrysotile and brucite, which are typical kimberlitic assemblage. Coalingite is a supergene mineral, but in this case, it is produced by the interaction of brucite-bearing kimberlite and underground water circulating through a vertical or oblique fault zone.
ISSN:1075-7015
1555-6476
DOI:10.1134/S1075701515080103