Vol. 34, No. 3, 2026

Petrology

Origin of the Dunite Block of the Monchegorsk Layered Mafic-Ultramafic Complex, Baltic Shield: Evidence from Mineralogical and Geochemical Data

M. M. Bogina, A. V. Chistyakov, E. V. Sharkov, and E. V. Kovalchuk p. 237 abstract

Metamorphism of the Chupa Gneisses and Gabbroids in the Belomorian Mobile Belt, Fennoscandian Shield, Northwestern Russia: A Comparative Study of the P–T Partial Melting Parameters and Isotopic Age of the Migmatized Rocks

A. V. Yurchenko, Sh. K. Baltybaev, O. L. Galankina, N. G. Rizvanova, A. M. Nikolaeva, and T. A. Myskova p. 264 abstract

Mineralogical Indicators of the Formation Conditions of Gabbro and Associated Copper Sulfide and Precious Metal Mineralization of the Volkovskiy Massif, Ural Platinum Belt

E. V. Anikina and I. A. Rusin p. 281 abstract

Low-Pressure (7–17 MPa) and High-Temperature (1250–1300°C) Melting of Marly Limestone from a Pyrometamorphic Complex of Mongolia. Formation of Carbonate–Silicate and Carbonate Melts

V. Yu. Chevychelov, A. R. Kotelnikov, A. A. Viryus, I. S. Peretyazhko, N. I. Suk, A. V. Yosimovska, and E. A. Savina p. 304 abstract

Geothermobarometry of Pyroxenes from Ultramafic Rocks of the Monchegorsk Intrusive Complex: 1. Traditional Approach

D. D. Eremin, A. A. Ariskin, S. N. Sobolev, I. V. Pshenitsyn, V. F. Smolkin, V. O. Yapaskurt, N. N. Korotaeva, and G. S. Nikolaev p. 325 abstract

New Calibration of the Ti⁴⁺/Ti³⁺ Ratio in Silicate Melts: From Simple Slags to Lunar Basalts

A. A. Borisov p. 349 abstract

Graphite Flakes from the Luk Ulo Complex, Central Java, Indonesia: A Geothermobarometer Modelling and Host Rock Characteristics

Isyqi, Nugroho Imam Setiawan, Ferian Anggara, and Mohammad Al’Afif p. 360 abstract

Contents

Petrology