Vol. 31, No. 3, 2023

Petrology

Magmatism in Kamchatka and the Kurile Islands

The Origin of Olivine Basalts from Medvezhya Mount (Avachinsky Group of Volcanoes, Kamchatka): The Evidence for Assimilation of Sulfide-Bearing Cumulates

D. P. Savelyev, N. V. Gorbach, M. V. Portnyagin and V. D. Shcherbakov p. 263 abstract

Magnesian Basalts of the Medvezhia Caldera: Dominant Magmas and Their Sources, as Exemplified by Menshiy Brat Volcano, Iturup Island, Kuriles

D. V. Kuzmin, I. R. Nizametdinov, S. Z. Smirnov, T. Yu. Timina, A. Ya. Shevko, M. P. Gora and A. V. Rybin p. 279 abstract

Conditions and Magmas Sources of the Summit and Flank Eruptions of Klyuchevskoy Volcano in 2020–2021: Isotope (Sr–Nd–Pb–O)-geochemical data

R. I. Cherkashin, O. V. Bergal-Kuvikas, A. V. Chugaev, Yu. O. Larionova, I. N. Bindeman, A. L. Khomchanovsky and E. Yu. Plutakhina p. 304 abstract

New Data on the Rock and Mineral Composition of Kharchinsky and Zarechny Volcanoes, Central Kamchatka Depression: Heterogeneity of the Mantle Source and Peculiarities of Magma Evolution in the Crust

N. V. Gorbach, N. A. Nekrylov, M. V. Portnyagin and K. Hoernle p. 320 abstract

Subduction and Oceanic Magmatism Records in Plutonic Rocks of the Kamchatsky Mys Ophiolite, Eastern Kamchatka

B. A. Bazylev, M. V. Portnyagin, D. P. Savelyev, G. V. Ledneva and N. N. Kononkova p. 338 abstract

Sulfide Mineralization in Pyrometamorphosed Upper Crustal Xenoliths, Bezymianny Volcano, Kamchatka

V. O. Davydova, V. D. Shcherbakov, N. A. Nekrylov, P. Yu. Plechov and V. O. Yapaskurt p. 358 abstract

Contents

Petrology