Contents

Geology of Ore Deposits

Vol. 66, No. 8, 2024

Basalt Alteration in High-Temperature Oxidizing-Type Fumaroles at the Tolbachik Volcano (Kamchatka, Russia). Part 1: Processes and Products of Olivine Alteration

M. O. Bulakh, I. V. Pekov, N. N. Koshlyakova, and M. A. Nazarova p. 1057  abstract

Basalt Alteration in High-Temperature Oxidizing-Type Fumaroles at the Tolbachik Volcano (Kamchatka, Russia). Part 2: Gas Metasomatites

M. O. Bulakh, I. V. Pekov, N. N. Koshlyakova, and M. A. Nazarova p. 1083  abstract

Thermodynamics of Arsenates, Selenites, and Sulphates in the Oxidation Zone of Sulfide Ores. XVI. Solubility of the Synthetic Analogue of Mandarinoite at 25°C

M. V. Charykova, K. L. Ushakova, A. Holzheid, V. G. Krivovichev, N. M. Efimenko, and N. V. Platonova p. 1123  abstract

MINERALS AND MINERAL PARAGENESES

Neotocite from Manganese Ores of the Ushkatyn-III Deposit, Central Kazakhstan

A. I. Brusnitsyn, and G. S. Egorov p. 1133  abstract

Hematite from Fumaroles of the Tolbachik Volcano (Kamchatka, Russia): Chemistry, Relationships with Associated Minerals, Morphological and Genetic Features

F. D. Sandalov, I. V. Pekov, N. N. Koshlyakova, A. V. Latyshev, and P. S. Zhegunov p. 1145  abstract

Crandallite and Florencite-(Ce) from a Quartz Vein of the Area of the Zhelannoe Deposit, Subpolar Urals

S. A. Repina p. 1167  abstract

Minerals of the Alunite Supergroup in the Bedded Massive Sulfide Ores of the Yaman-Kasy Deposit, South Urals: Morphology, Assemblages, and Chemical Composition

N. P. Safina, V. A. Kotlyarov, and I. A. Blinov p. 1177  abstract

MINERALOGICAL CRYSTALLOGRAPHY

Structural Transformations of Minerals in the Earth’s Mantle: the New High Pressure Polymorphous Modifications of Olivine and Wollastonite

D. Yu. Pushcharovsky p. 1188  abstract

Density Functional Theory Simulation of the Hydrogen Bonding System in Sampleite

T. L. Panikorovskii, V. N. Yakovenchuk, Y. A. Pakhomovsky, N. G. Konoplyova, G. Yu. Ivanyuk, A. A. Antonov, V. V. Shilovskikh, and S. V. Krivovichev p. 1201  abstract