Geology of Ore Deposits, 2020, V 62, N 6.

Dedicated to the 90th Anniversary of IGEM RAS

Mineralogy of Precious Metals in Ores of the 
Biksizak Base–Metal Deposit, South Urals, Russia
O. Yu. Plotinskaya, K. A. Novoselov and R. Seltmann 
p. 439  

Index Minerals of the Hydrothermal Arsenide Process 
of the Formation of Cobalt Deposits of the Bou 
Offro–El Graara Ore Belt in the Anti-Atlas Province, 
Morocco
V. I. Lebedev and Yu. A. Kalinin 
p. 457  

Structural-Morphological Types and Localization 
Conditions of the Apocarbonate Talc Mineralization 
in the Beloretsk District of the Western Urals Province
N. V. Granovskaya and A. V. Kochergin 
p. 480  

Dissolution of Natural Octahedral Diamonds 
in an Fe–S Melt at High Pressure
V. M. Sonin, E. I. Zhimulev, A. A. Chepurov, 
E. S. Lindenblot, A. M. Logvinova, D. V. Shcheglov, 
B. S. Pomazanskii, V. P. Afanas’ev and 
A. I. Chepurov 
p. 497  

Multi-Stage Fluid System Responsible for Ore 
Deposition in the Ossa-Morena Zone (Portugal): 
Constraints in Cu-Ore Deposits Formation
M. Maia, N. Moreira, S. Vicente, J. Mirão, 
F. Noronha and P. Nogueira 
p. 508  

Short Communications

On the Prospects of Diamond Content of 
the Southern Side of the Vilyui Syneclise
V. P. Afanasiev, N. P. Pohilenko, 
S. S. Kuligin and D. A. Samdanov 
p. 535  

The Unique Sabantuy Chromite Paleoplacer 
in the Sedimentary Cover of the Eastern 
European Platform
I. R. Rakhimov, D. E. Saveliev, V. V. Kholodnov 
and D. A. Zamyatin 
p. 542