Petrology, Vol. 34, No. 1, 2026, August.

14th All-Russia Petrographic Conference, St. Petersburg, October 3, 2025
p. 381  

PETROLOGY OF MAGMATIC AND METAMORPHIC COMPLEXES

First Evidence of High-Pressure Metamorphism in the Western 
Flank of the Belomorian Province, Late Paleoproterozoic 
Lapland–Kola Orogen
P. Ya. Azimov, A. M. Lezzhov, and A. V. Stepanova 
p. 382  

Anomalous Source of the Dovyren Magmas: from Neoarchean 
Protolith to the Upper Riphean Crystallization History
A. A. Ariskin, Yu. A. Kostitsyn, E. O. Dubinina, 
S. G. Tessalina, and I. V. Pshenitsyn 
p. 384  

Origins of Rapakivi Granites and Associating Gold 
Mineralization in Active Continental Margin Complexes 
of the Southwestern and Southeastern Margins 
of the Siberian Craton
A. E. Vernikovskaya, V. Yu. Fridovsky, 
N. Yu. Matushkin, E. A. Bogdanov, and Ya. A. Tarasov 
p. 387  

Petrology, Geodynamics and Application of 3D Numerical 
Modeling for the Kara (Taimyr–Severnaya Zemlya) Orogen
V. A. Vernikovsky, A. E. Vernikovskaya, V. F. Proskurnin, 
N. Yu. Matushkin, O. P. Polyansky, and A. N. Semenov 
p. 390  

Petrographic, Geochemical, and Isotopic Characteristics
of Neoproterozoic Dolerites of the Sayan-Baikal 
Dike Belt in the Southern Part of the Siberian Craton
T. V. Donskaya, D. P. Gladkochub, E. I. Demonterova, 
and A. M. Mazukabzov 
p. 394  

Geodynamic Evolution of the Sarma Segment (Akitkan 
Orogenic Belt, Siberian Craton) in the Archean–Proterozoic
U. S. Efremova, T. V. Donskaya, D. P. Gladkochub, 
A. M. Mazukabzov, A. V. Ivanov, and N. V. Bryansky 
p. 397  

Slyudyanka Crystalline Complex: From Ordovician Granulite-Facies 
Metamorphism to Late Cenozoic Exhumation
A. V. Ivanov, E. A. Gladkochub, L. P. Kasatkina, 
L. Z. Reznitskii, E. I. Demonterova, N. V. Bryansky, 
A. A. Karimov, A. S. Maltsev, K. G. Erofeeva, 
A. S. Dubensky, and S. V. Malyshev 
p. 400  

Structure and Metamorphic History of the Lower and Middle 
Crust of the Anabar Province of the Siberian Craton 
Based on Data for Xenoliths from the Nurbinskaya Diatreme
M. Yu. Koreshkova, H. Downes, E. Yu. Akimova, M. V. Stifeeva, 
I. Peytcheva, D. Dimitrova, L. Macheva, A. N. Larionov, 
S. A. Sergeev, G. A. Lisovski, and O. G. Safonov 
p. 403  

Evidence of Grenville Tectonic Events in the Western Margin 
of the Siberian Craton: Granitoids of the Ryazanovsky Massif, 
Yenisei Ridge
A. D. Nozhkin, O. M. Turkina, I. I. Likhanov, 
and Yu. L. Ronkin 
p. 406  

U–Pb Age of Zircons from Gneisses of the Mariinskaya 
Formation, Southern Urals, and Problems Related 
to the Precambrian in the Trans-Urals
T. A. Osipova, A. A. Krasnobaev, and S. V. Busharina 
p. 408  

Study of Fluid-Bearing Magmatic Systems: 
A Case Study of Kamchatka
P. Yu. Plechov p. 410  

Modeling Mantle Magma Transport within the Northern Margin
of the Siberian Platform at the Permian–Triassic Boundary
O. P. Polyansky, A. N. Semenov, O. V. Koroleva, 
Yu. F. Filippov, and A. V. Prokopiev 
p. 412  

Paleoproterozoic Andesite−Dacite−Rhyolite Volcanism 
in the Tim Backarc Basin of Sarmatia: Sources of the Melts, 
Crustal Evolution, and Geodynamic Scenarios
K. A. Savko, A. V. Samsonov, S. V. Tsybulyaev, and E. Kh. Korish 
p. 415  

Magma Sources and Granitoid Formation Conditions in the 
Southern Part of the Main Batholith Belt (Kolyma)
A. A. Tsygankov and G. N. Burmakina 
p. 417  

PETROLOGY OF ORE-BEARING MAGMATIC SYSTEMS

The Problem of Phoscorite Petrogenesis on the Example of 
Arbarastakh and Gornoye Ozero Massifs (Republic of Sakha, Yakutia)
M. N. Kruk, A. G. Doroshkevich, I. A. Izbrodin, 
I. R. Prokopyev, and E. A. Zubakova 
p. 420  

Crustal Ore-Bearing Carbonatites-Kuldimites of the Byrranga Mountains, 
Taimyr Peninsula: A Model for Mantle-Crust Interaction
V. F. Proskurnin and V. A. Saltanov 
p. 422  

Weathering Crust of Kimberlite Rocks: Petrological Types, Zoning, 
and Formation Processes
S. M. Sablukov and L. I. Sablukova 
p. 426  

Sulfur Isotope Heterogeneity of Eclogites and the Scales of Fluid 
Mass-Transfer in the Root Zones of Subduction-Collision Orogens 
(North Muya Block, Northeastern Transbaikalia)
S. Yu. Skuzovatov, Yu. I. Tarasova, V. N. Reutsky, 
T. A. Velivetskaya, and V. S. Shatsky 
p. 429  

Genetic Features in the Distribution and Concentrations 
of Ore Components in the Rocks of the Dunite–Clinopyroxenite–Gabbro Massifs: 
An Example of the Ural Platinum Belt
S. Yu. Stepanov, A. V. Kozlov, and R. S. Palamarchuk 
p. 432  

Rare-Earth Elements in Rocks and Accessory Minerals of the 
Alkaline-Ultrabasic Series of the Kola Province
V. S. Stativko, A. A. Arzamastsev, and V. V. Bortnikov 
p. 435  

Vesuvianite—a New U–Pb Mineral-Geochronometer for 
Determining the Age of Ore Formation: First Results 
and Prospects for Application
M. V. Stifeeva, T. L. Panikorovskii, E. B. Salnikova, 
and A. B. Kotov 
p. 439  

Siliceous-Alkaline Metasomatites in the Precambrian 
Basement of the Torsko-Apsat Ore Cluster (Transbaikalia): 
Types, Position, and Role in Ore Genesis
V. I. Uyutov, S. S. Dvurechenskaya, and A. M. Moiseenko 
p. 442  

Mineralogical and Petrographic Characteristics of 
Aillikites of the Yuzhnaya Pipe, Zima Alkaline-Carbonatite 
Complex, Eastern Sayan
V. V. Sharygin and A. G. Doroshkevich 
p. 444  

PETROLOGICAL PROBLEMS DURING REGIONAL GEOLOGICAL STUDIES

Building Metamorphic Maps or Schemes with Regard to Results 
of Thermodynamic Modeling of Mineral Assemblages
Sh. K. Baltybayev, Ye. B. Borisova, and G. A. Petrov 
p. 450  

The Sources of Cretaceous Magmatism in the Uda Sector 
of the Western Transbaikalian Rift Region Based on 
Geochemical and Isotopic (Sr, Nd, O, Pb) Data
A. A. Vorontsov, V. V. Yarmolyuk, S. I. Dril, V. M. Savatenkov, 
D. A. Lykhin, E. N. Federyagina, and S. A. Sasim 
p. 453  

Main Stages of the Proterozoic Mafic Magmatism 
in the Southern Siberian Craton: Progress in 
the Study for the Period of 2010–2025
D. P. Gladkochub and T. V. Donskaya 
p. 456  

Russia’s First Scientific Systematic Petrographic 
Collection: Foundation and Development
A. Ya. Dokuchaev, V. N. Smol’yaninova, and F. V. Kulakov 
p. 458  

Alexander Postels’ Geognostic Collection and 
Its Scientific Significance
A. Ya. Dokuchaev, F. V. Kulakov, E. N. Matvienko, 
V. N. Smolyaninova, and E. L. Sokolova 
p. 461  

Main Stages of Evolution of the Neoproterozoic Active 
Continental Margin of the Western Part of the 
Central Asian Fold Belt
A. A. Tretyakov, K. E. Degtyarev, N. A. Kanygina, 
A. N. Zhuravlev, and K. A. Tretyakova 
p. 465  

Interaction of Mafic Magma and Carbon-Bearing Sediments: 
Evidence from the Paleoproterozoic Onega Basin 
and Implications for Carbon Migration
S. Y. Chazhengina, V. V. Ustinova, and A. V. Stepanova 
p. 468  

Felsic Melt Inclusions in Olivine of Ultramafic 
Rocks of the Uitkomst Complex (Bushveld Province) 
as Evidence for Crustal Anatexis
I. P. Solovova, M. A. Yudovskaya, A. A. Averin, 
and J. Kinnaird 
p. 486  

Solubility of Pt and Pd in Two-Phase Water-Poor 
Fluid of the NaCl–CO2–CO–(H2O) Composition at 
Low fO2 and High fCl2 (T = 950°C, P = 200 MPa)
A. G. Simakin, V. N. Devyatova, O. Yu. Shaposhnikova, 
and O. A. Tyutyunnik 
p. 510