Vol. 34, No. 2, 2026

Petrology

The 95th Birthday of Viktoriya Abbasovna Kononova

Alkaline Мagmatism of the Southern Siberian Craton: Stages of Formation and Mantle Sources (A Review)

A. G. Doroshkevich, I. A. Izbrodin, V. M. Savatenkov, A. E. Izokh, I. R. Prokopyev, A. V. Ponomarchuk, E. A. Zubakova, Ya. N. Nugumanova, M. N. Kruk, and A. V. Malyutina p. 91 abstract

Synchronism of Rift and Platform Magmatism in Eastern Siberia at the Permian–Triassic Boundary

N. A. Krivolutskaya, I. T. Rass, A. A. Konyshev, B. V. Belyatsky, B. I. Gongalsky, and N. M. Svirskaya p. 110 abstract

Petrology of the Chik Alkaline Massif, Sangilen Highland, Tyva

N. A. Polyakov, A. V. Nikiforov, E. O. Dubinina, S. A. Kossova, A. K. Khertek, V. D. Abramova, and E. A. Minervina p. 136 abstract

Mesozoic Alkaline Syenite Porphyries of the Lamproite Series in the Gold-Bearing South Uguy Zone (Western Aldan): a Petrological Study

O. E. Karavaeva, A. V. Samsonov, K. G. Erofeeva, Yu. O. Larionova, A. V. Travin, L. V. Sazonova, E. Yu. Anikina, N. N. Korotaeva, and D. A. Rylov p. 162 abstract

Olivine from Alkali Ultramafic Rocks of the Izhmozero Pipe: Multistage Melt Evolution from Kimberlite to Melanephelinite

A. V. Kargin, L. V. Sazonova, A. A. Nosova, I. R. Prokopyev, N. M. Lebedeva, E. V. Yutkina, K. G. Erofeeva, E. V. Kovalchuk, V. O. Goryunova, and V. D. Shcherbakov p. 181 abstract

Zircon Geochemical Constraints on the Evolution of Pan-African Post-Collisional Granitoids in Katchuan and Boje, Southeastern Nigeria Basement Complex

Chinedu Uduma Ibe, Ekeleme Ifeoma Aquila, and Aghaebita Ifeoma Chinwendu p. 212 abstract

Contents

Petrology