2005 | OriginalPaper | Chapter
Dating of gold occurrences in the Sayan-Baikal Fold Belt, Southern Siberia, Russia
Authors : A. G. Mironov, H. Stein, A. Zimmerman, S. M. Zhmodik
Published in: Mineral Deposit Research: Meeting the Global Challenge
Publisher: Springer Berlin Heidelberg
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The complex geologic history of the Tain gold-porphyry deposit in the Sayan-Baikal Fold Belt (South Siberia) makes direct age determinations problematic. Timing of porphyry gold mineralization, magmatism, and hydrothermal alteration are constrained to an interval of 670–280 Ma based on dating of the host granodiorites, altered rocks, and ores by the Rb-Sr, Ar-Ar, and Re-Os techniques, respectively.