Contents

Geology of Ore Deposits

Vol. 63, No. 4, 2021

Post-Ore Processes of Uranium Migration in the Sandstone-Hosted Type Deposits: 234U/238U, 238U/235U and U–Pb Systematics of Ores of the Namaru Deposit, Vitim District, Northern Transbaikalia

V. N. Golubev, N. N. Tarasov, I. V. Chernyshev, A. V. Chugaev, G. V. Ochirova and B. T. Kochkin p. 287  abstract

Study of the Behavior of Uranium, Niobium, and Tantalum in the Granite Melt–Fluoride Fluid System at 800–950°C, 2300 Bar

A. F. Redkin, V. I. Velichkin and Yu. B. Shapovalov p. 300  abstract

The Source of Ore Fluids and Sm–Nd Age of Siderite from the Largest Bakal Deposit, Southern Urals

M. T. Krupenin, A. B. Kuznetsov, M. V. Chervyakovskaya, T. Ya. Gulyaeva and G. V. Konstantinova p. 324  abstract

Multi-Stage Magmatic-Hydrothermal Sulfide-PGE Mineralization of the Khudolaz Complex (South Urals)

I. R. Rakhimov, A. V. Vishnevskiy, D. E. Saveliev, D. N. Salikhov and A. G. Vladimirov p. 341  abstract

Pre-Visean Bauxites and Iron-Aluminum Ores Deposit of the KMA and Prospects for Development

I. I. Nikulin, V. I. Starostin and A. A. Samsonov p. 368  abstract

ERRATA

Erratum to: Crustal Source of Pb and S at the Yubileynoe Porphyry Gold Deposit (Southern Urals, Kazakhstan): High Precision Pb–Pb and δ34S Data

A. V. Chugaev, O. Yu. Plotinskaya, E. O. Dubinina, A. S. Sadasyuk, B. I. Gareev, S. A. Kossova and G. A. Batalin p. 382  abstract