Abstract
Pb, Rb and Sr isotope data are reported for the Khangilay, Orlovka and Spokoinoe granite massifs and their host rocks in the Orlovka-Spokoinoe mining district, Eastern Transbaikalia, Russia. Pb isotope analyses indicate a common Pb source for all three granite massifs reflecting a homogenous source melt from which all magmatic members evolved. Pb isotope systematics identify two possible scenarios for the source of Li-F granites: 1) a crust-mantle source where a mixture of MORB and continental-derived material were brought together in an orogenic environment; and 2) a type II enriched mantle source where subducted continental material could have been strongly implicated in volcanic suites. New Rb-Sr isotope age data yield a 143.8±4.2 Ma age for barren granites of the Orlovka and Khangilay massifs.
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© 2005 Springer-Verlag Berlin Heidelberg
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Dolgopolova, A., Seltmann, R., Stanley, C., Weiss, D., Kober, B., Siebel, W. (2005). Isotope systematics of ore-bearing granites and host rocks of the Orlovka-Spokoinoe mining district, eastern Transbaikalia, Russia. In: Mao, J., Bierlein, F.P. (eds) Mineral Deposit Research: Meeting the Global Challenge. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-27946-6_190
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DOI: https://doi.org/10.1007/3-540-27946-6_190
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-27945-7
Online ISBN: 978-3-540-27946-4
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