Peculiarities of Ore Formation at the Teploe Ag–Au Deposit, Northeast Russia

The mineralogical–geochemical and thermobarogeochemical features of the Teploe Ag–Au epithermal deposit are considered. The dissolution and redeposition of ore minerals are a result of thermal metamorphism. The redistribution of Ag leads to the formation of lenaite and exsolution structures in miner...

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Published inDoklady earth sciences Vol. 481; no. 1; pp. 869 - 872
Main Authors Volkov, A. V., Savva, N. E., Kolova, E. E., Sidorov, A. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2018
Springer
Springer Nature B.V
Subjects
Copper
Earth and Environmental Science
Earth Sciences
Geology
Gold
Metamorphic rocks
Metamorphism
Metamorphism (Geology)
Mineralization
Minerals
Ores
Physicochemical processes
Silver
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Summary:The mineralogical–geochemical and thermobarogeochemical features of the Teploe Ag–Au epithermal deposit are considered. The dissolution and redeposition of ore minerals are a result of thermal metamorphism. The redistribution of Ag leads to the formation of lenaite and exsolution structures in minerals of the Cu–Ag–S system; abundant stromeyerite, jalpaite, and mckinstryite compose a significant amount of ores. The atypical physicochemical parameters of the formation of ores include high (for epithermal mineralization) temperatures and low salinity and density of the fluid typical of a dry vapor. The results of fluid inclusion study ascribe the Teploe deposit to an intermediate class of epithermal deposits.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X18070310