Noble metal specialization of Lower and Middle Riphean terrigenous rocks in the South Urals


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Аннотация

Results of the study of noble metal specialization of Lower and Middle Riphean terrigenous rocks in the Bashkir Anticlinorium (South Urals) are reported. The study revealed their genetic differences in the relatively unaltered, i.e., “background” terrigenous rocks in type sections of the Burzyan and Yurmatau groups and in sedimentary rocks of the same stratigraphic levels from tectonic zones subjected to local dynamothermal metamorphism of the greenschist facies and intruded by mafic rocks. It has been established that Ru serves as a geochemical marker of the impact of magmatic processes on sedimentary rocks and the redistribution of noble metals during metamorphism and local metasomatism. A generalized model is proposed for the formation of noble metal geochemical specialization of Lower and Middle Riphean terrigenous rocks in the South Urals.

Авторлар туралы

S. Kovalev

Institute of Geology, Ufa Scientific Center

Хат алмасуға жауапты Автор.
Email: kovalev@ufaras.ru
Ресей, ul. Karla Marksa 16/2, Ufa, 450077

A. Maslov

Institute of Geology, Ufa Scientific Center; Zavaritsky Institute of Geology and Geochemistry, Ural Division

Хат алмасуға жауапты Автор.
Email: maslov@igg.uran.ru
Ресей, ul. Karla Marksa 16/2, Ufa, 450077; ul. Vonsovskogo 15, Yekaterinburg, 620016

E. Gareev

Institute of Geology, Ufa Scientific Center

Email: maslov@igg.uran.ru
Ресей, ul. Karla Marksa 16/2, Ufa, 450077

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© Pleiades Publishing, Inc., 2016