Geology of Ore Deposits, 2021, V 63, N 4.

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  

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  

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  

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  

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  

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