Contents

Geology of Ore Deposits

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Vol. 62, No. 5, 2020

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Dedicated to the 90th anniversary of IGEM RAS

Sulfur Isotope Fractionation During Sulfide Generation in the Hydrothermal Submarine Systems: The Case of Logatchev, Krasnov, and Rainbow Hydrothermal Fields, Mid-Atlantic Ridge

E. O. Dubinina, N. S. Bortnikov, O. O. Stavrova and S. A. Kossova p. 351  abstract

Research of the Uranium, Niobium, and Tantalum Behavior in the Granite Melt–Chloride Fluid System at 750°C and 1000 Bar

A. F. Redkin and V. I. Velichkin p. 372  abstract

Gold and Silver Minerals in Sulfide Ore

G. A. Palyanova p. 383  abstract

Evolution of the Vagran Gold-Bearing Placer Cluster (Northern Urals) and Prospects for Revealing Bedrock Mineralization

A. V. Lalomov, V. A. Naumov, A. V. Grigorieva and L. O. Magazina p. 407  abstract

The Dudica Epithermal Cu–Au Deposit (Republic of North Macedonia)

G. Tasev, D. Serafimovski, A. V. Volkov, B. Boev, T. Djordjevic, U. Kolitsch and T. Serafimovski p. 419  abstract

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Short Communications

Formation Environments of Metasomatites and Ores of the Epithermal Gold–silver Deposits

I. N. Kigai p. 432  abstract

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