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A. S. Vakh
Russian Academy of Sciences
13Publications
2H-index
6Citations
Publications 13
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#1A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
#2O. V. Avchenko (RAS: Russian Academy of Sciences)H-Index: 3
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The composition and genesis of Pb–As–Sb sulfosalts from ores of the Berezitovoe gold deposit, Upper Amur Region, located in the eastern part of the Mongolia-Okhotsk orogenic belt are reported. Lead (Pb–Cu) sulfosalts are tsugaruite, dufrenoysite, boulangerite, menegenite, Bi-rich menegenite (Bi up to 11.5 wt %), and minerals of the jordanite-geocronite and bournonite-seligmannite solid solution series. Basic features of the relationship between Pb sulfosalts and ore and silicate minerals in vari...
#1A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
#2O. V. Avchenko (RAS: Russian Academy of Sciences)H-Index: 3
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New data are presented on segregations and compositions of bournonite-seligmannite series of minerals in gold-bearing veinlets of the Beresitovoe deposit located in the eastern part of the Mongolia–Okhotsk Orogenic Belt. It was established that these minerals represent a discrete series of stoichiometric solid compounds with As formula coefficients varying from 0.2 to 1.2. It is shown that minerals of this series are characteristic of ore deposits that undergo high-grade metamorphism, the P–T co...
#1A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
#2O. V. Avchenko (RAS: Russian Academy of Sciences)H-Index: 3
Last.A. A. Karabtsov (RAS: Russian Academy of Sciences)H-Index: 2
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New data on the composition of jordanite–geocronite Pb–Sb–As sulfosalts in the vein–disseminated gold ore at the Berezitovoe deposit were provided. Within the studied quartz–sulfide sample, some grains of Pb–Sb–As sulfosalts, uniform in composition and azonal, are drastically different from each other in As and Sb contents forming a quasi-continuous range of solid compounds from jordanite to geocronite. Jordanite–geocronite minerals at the Berezitovoe deposit (relative to the Darasun deposit) ar...
#1V. I. Gvozdev (RAS: Russian Academy of Sciences)H-Index: 3
#2K. N. DobroshevskyH-Index: 1
Last.D. G. Fedoseev (RAS: Russian Academy of Sciences)H-Index: 2
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Original data on the ore composition are obtained by studying samples from mining workings. In terms of mineral composition, gold-productive veinlets are subdivided into three types: sulfide–quartz, sulfide–carbonate–quartz, and sulfide. The wall-rock metasomatites and typomorphic features of the minerals are studied and the genetic problems of the ores and deposit are discussed. It is established that the Malinovka deposit is ascribed to the gold–tourmaline type (gold–quartz formation), which i...
#1N. A. Goryachev (RAS: Russian Academy of Sciences)H-Index: 4
#2V. I. Gvozdev (RAS: Russian Academy of Sciences)H-Index: 3
Last.A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
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#1V. I. Gvozdev (RAS: Russian Academy of Sciences)H-Index: 3
#2N. A. Goryachev (RAS: Russian Academy of Sciences)H-Index: 4
Last.B. I. Semenyak (RAS: Russian Academy of Sciences)H-Index: 1
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A collection of quartz veinlets with ore mineralization sampled from the dumps of the abandoned pit of the Kirov mine was analyzed with defining the mineral assemblages productive for gold mineralization and determining the composition of the main ore minerals and their typomorphic features, which are used for interpreting the genesis of the mineral associations and the deposit as a whole.
#1O. V. Avchenko (RAS: Russian Academy of Sciences)H-Index: 3
#2A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
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1117 The results of the study of stable oxygen, sulfur, and lead isotopes in rocks and ores of the Berezitovoe gold–polymetallic deposit in the Upper Amur allow� ing us to clarify the debatable problems of its genesis are discussed in this paper. The importance of this problem is determined by the fact that the considered deposit is represented by an ore object of a fluid– explosive nature related to poorly studied and special types, which are relatively abundant in adjacent ore areas of East Tr...
#1A. S. Vakh (RAS: Russian Academy of Sciences)H-Index: 2
#2O. V. Avchenko (RAS: Russian Academy of Sciences)H-Index: 3
Last.Guobin Zhang (JLU: Jilin University)H-Index: 1
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New data on the isotopic age of zircons from metamorphic and igneous rocks are given for the Berezitovoe and Kirovskoe deposits located in the eastern margin of the Selenga-Stanovoi orogenic belt. The zircons were studied with the LA-ICP-MS method in the State Key Laboratory of Continental Dynamics, Northwestern University, Sian, Shansi province, People’s Republic of China. The results allowed us to reveal three age epochs in formation of the eastern part of the Selenga-Stanovoi orogenic belt (1...
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