Geochemical types of granites of the Primorskii Complex (Western Baikal area)

According to generally accepted concepts, differentiation of acid melts plays an important role in the formation of rare metal granites and related deposits. Rapakivi granites are one of the most ancient highly potassic rocks in the Earth's history, and their formation occurred in the subplatfo...

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Bibliographic Details
Published in:Doklady earth sciences 2010-11, Vol.435 (1), p.1496-1500
Main Authors: Savels’eva, V. B., Bazarova, E. P.
Format: Article
Language:English
Subjects:
Acids
Earth and Environmental Science
Earth Sciences
Fractionation
Geochemistry
Granite
Metals
Mineralization
Mineralogy
Petrology
Tin
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Summary:According to generally accepted concepts, differentiation of acid melts plays an important role in the formation of rare metal granites and related deposits. Rapakivi granites are one of the most ancient highly potassic rocks in the Earth's history, and their formation occurred in the subplatform regime. This was a favorable factor for intense melt fractionation up to the formation of LiF granite. Late differentiates in the rapakivi granite complexes control tin and accompanying mineralization, and in some cases tin deposits.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X1011019X