Contents

Moscow University Geology Bulletin

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Vol. 81, No. 1, 2026

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Space Groups and Symmetry Classes: Frequency Distribution in Structural Mineralogy—New Data

N. N. Eremin, T. A. Eremina, and O. A. Gurbanova p. 1  abstract

Geochemical Characteristics of Turonian–Coniacian Deposits of the Lower Volga Region

E. V. Yakovishina, R. R. Gabdullin, A. I. Ryzhikova, S. I. Bordunov, A. V. Ivanov, A. Yu. Puzik, K. P. Kazymov, I. V. Badyanova, and L. F. Kopaevich p. 17  abstract

Finds of Rare Ammonites from the Valanginian Deposits of the Verkhorechie Section (Southwestern Crimea)

E. Yu. Baraboshkin p. 32  abstract

New Data on the Structure and Age of the Chilekta Granitoid Plutonic Massif (Southern Urals)

A. V. Tevelev, P. A. Shestakov, E. A. Volodina, and A. A. Tihvinskaya p. 38  abstract

Sea Level Dynamics and Evolution of the Phanagoria Paleocoast

A. A. Mayorov, A. O. Khotylev, S. V. Olkhovskiy, and O. V. Khotylev p. 51  abstract

Regional Mineralogical and Geochemical Zoning of Gold Deposits in Uzbekistan

V. D. Tsoi and S. S. Sayitov p. 59  abstract

Geological Objects in the Structure of Engineering-Ecological Surveys

V. T. Trofimov p. 70  abstract

Assessment of Contamination Risk in Confined Aquifers within Areas of Buried Erosional Incisions: A Case Study in Moscow, Russia

I. A. Pozdniakova, S. P. Pozdniakov, and I. V. Galitskaya p. 79  abstract

Permafrost Temperature Monitoring: Effects of Borehole Casings on Measurement Accuracy and Observation Site Design

S. N. Buldovich, A. V. Brouchkov, V. A. Dubrovin, and M. N. Zheleznyak p. 87  abstract

Content of Rare Earth Elements in Rivers and Lakes of Temperate and Boreal Zones

O. Yu. Drozdova, A. R. Aleshina, and S. A. Lapitskiy p. 98  abstract

The Dukat Gold‒Silver Deposit: Structural Control of Veins

G. G. Maltsev and A. S. Yakubchuk p. 105  abstract

New Geological Map of the Natib and Mariveles Volcanoes in the Luzon Island Arc (Philippines)

M. Yu. Nikitin, T. Yu. Tveritinova, and I. V. Galushkin p. 112  abstract

Relief and Bottom Sediments of the Southern Slope of the Eastern Gotland Basin (Baltic Sea)

D. V. Dorokhov and G. G. Akhmanov p. 124  abstract

Paleomagnetism of Upper Jurassic Rocks of the Central Part of the Russian Plate: Pochinki and Dubrovskoe Sections

L. A. Ladygina and A. M. Fetisova p. 134  abstract

Climatic Patterns of Groundwater Flow in European Russia

S. O. Grinevskiy, V. Yu. Grigoriev, S. P. Pozdniakov, and V. A. Lekhov p. 149  abstract

Kolyma Gold: from Discovery to Nowadays

A. S. Yakubchuk p. 159  abstract

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