Abstract
The noble metal (PGE and Au) geochemical specialization of igneous rocks of the Bashkir meganticlinorium and adjacent areas of the East European Platform is characterized for the first time. The identical plots of normalized PGE and Au concentrations of igneous rocks in these regions indicate similar conditions and mechanisms of the formation of the noble metal geochemical specialization during the emplacement of magmatic bodies. It is established that a specific feature of noble metal geochemical specialization (the “rhodium anomaly”) in magmatic complexes of the Bashkir meganticlinorium and eastern areas of the East European Platform is determined by the concentrations of noble metals in sulfide minerals (pentlandite); i.e., it is “primary” in origin.
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Original Russian Text © S.G. Kovalev, V.N. Puchkov, S.I. Vysotsky, S.S. Kovalev, 2016, published in Doklady Akademii Nauk, 2016, Vol. 471, No. 4, pp. 459–464.
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Kovalev, S.G., Puchkov, V.N., Vysotsky, S.I. et al. First data on the concentrations and distribution of noble metals in Riphean magmatic complexes of the Bashkir meganticlinorium and eastern margin of the East European Platform. Dokl. Earth Sc. 471, 1247–1252 (2016). https://doi.org/10.1134/S1028334X16120047
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DOI: https://doi.org/10.1134/S1028334X16120047