期刊
GEOLOGY OF ORE DEPOSITS
卷 63, 期 3, 页码 173-184出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S107570152103003X
关键词
Au-porphyry systems of the Urals; Yubileinoe deposit; sources of material; Pb and S isotope data
资金
- Russian Foundation for Basic Research [19-05-00344-study]
- Ministry of Science and Higher Education of the Russian Federation [14, Y26.31.0029, 220]
- RF Government
The Yubileinoe large gold deposit in the Southern Urals is the only known representative of the Au-porphyry systems in the region, genetically related to granitoids formed in a suprasubduction setting. Isotope data indicate the input of mineral-forming components mainly from granitoid melts, confirming a common source of ore material and ore-bearing granitoids. The geochemical and isotopic characteristics of the granitoids suggest a leading role of Late Precambrian continental crust in their genesis.
The Yubileinoe large gold deposit, located at the southern end of the Magnitogorsk megazone, is the only known representative of the Au-porphyry systems in the Southern Urals. It is genetically related to granitoids formed in a suprasubduction setting under mature oceanic island arc environment/setting. The obtained isotope (Pb-Pb and delta S-34) data indicate the input of mineral-forming components into the Au-porphyry system of the deposit, mainly from granitoid melts, confirming a common source of ore material and ore-bearing granitoids. The geochemical and isotopic characteristics of granitoids indicate the leading role in their genesis of the crustal source, which is considered Late Precambrian continental crust.
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