Contents

Geology of Ore Deposits

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Vol. 62, No. 2, 2020

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On the 90th Anniversary of IGEM RAS

Valunistoe Epithermal Au–Ag Deposit (East Chukotka, Russia): Geological Structure, Mineralogical–Geochemical Peculiarities and Mineralization Conditions

A. V. Volkov, V. Yu. Prokof’ev, S. F. Vinokurov, O. V. Andreeva, G. D. Kiseleva, A. L. Galyamov, K. Yu. Murashov and N. V. Sidorova p. 97  abstract

Geochemical Characteristics of Volcanogenic Deposits and Exhalation Mineralization in the Crater Part of the Active Kudryavy Volcano (Iturup Island of the Kuril Arc)

A. G. Marchenko, A. A. Volfson, M. V. Morozov, N. S. Khrol, G. S. Steinberg and M. G. Steinberg p. 122  abstract

Variability of Alunite Quartzite Composition as a Reflection of the Characteristics of Its Genesis

A. Z. Vdovets p. 138  abstract

The World’s Largest Fouta Djallon–Mandingo Bauxite Province (West Africa): Part I. Background

V. I. Mamedov, A. A. Chausov, E. A. Okonov, M. A. Makarova and N. M. Boeva p. 163  abstract

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