Contents

Petrology

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Vol. 28, No. 4, 2020

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Ilmenite from the Arkhangelsk Diamond Province, Russia: Composition, Origin and Indicator of Diamondiferous Kimberlites

A. V. Kargin, A. A. Nosova, L. V. Sazonova, E. V. Peresetskaya, Yu. Yu. Golubeva, N. M. Lebedeva, V. V. Tretyachenko, V. A. Khvostikov and J. P. Burmii p. 315  abstract

Olivine and Clinopyroxene Phenocrysts as a Proxy for the Origin and Crustal Evolution of Primary Mantle Melts: a Case Study of 2.40 Ga Mafic Sills in the Kola–Norwegian Terrane, Northern Fennoscandia

K. G. Erofeeva, A. V. Samsonov, A. V. Stepanova, Yu. O. Larionova, E. O. Dubinina, S. V. Egorova, A. A. Arzamastsev, E. V. Kovalchuk and V. D. Abramova p. 338  abstract

Silicate Liquid Immiscibility as a Result of Fenner-Type Crystal Fractionation of Wangtian’e Tholeiitic Melts, Northeast China

O. A. Andreeva, I. A. Andreeva, V. V. Yarmolyuk, Jianqing Ji, Xin Zhou and S. E. Borisovskii p. 357  abstract

Influence of the Precipitation Rate on the Isotope (δ¹⁸O, δ¹³C and δ⁸⁸Sr) Composition of Carbonate Chimneys of the Lost City Hydrothermal Field (30° N, Mid-Atlantic Ridge)

E. O. Dubinina, A. Yu. Kramchaninov, S. A. Silantyev and N. S. Bortnikov p. 374  abstract

Small-Scale Reactional Features in Abyssal Peridotites from the Mid-Atlantic Ridge at 17°04′ to 17°10′ N

A. N. Pertsev and V. E. Beltenev p. 389  abstract

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