Vol. 61, No. 4, 2026

Lithology and Mineral Resources

Some Features of the Lithogeochemistry of Surface Bottom Sediments in the Pechora River Delta

A. V. Maslov, D. P. Starodymova, N. A. Demidenko, A. M. Alabyan, E. E. Kuzmina, and V. P. Shevchenko p. 333 abstract

Genesis of Sedimentary Fluorite in Light of Experimental Data

A. V. Savenko and V. S. Savenko p. 345 abstract

Th/U and Ti/Al Ratios in Upper Ediacaran Phosphorite-Bearing Mudstones of the Lviv–Kishinev Depression and Moscow Syneclise in the East European Platform

S. B. Felitsyn p. 358 abstract

Early Devonian (Emsian) Deposits in the Bolshaya Usa Section (Polar Urals): Lithology, Stratigraphy, and Isotopic Geochronology

A. N. Plotitsyn, A. V. Zhuravlev, I. D. Sobolev, O. V. Artyushkova, R. A. Khabibulina, E. V. Antropova, A. V. Kulikova, and I. V. Vikentiev p. 365 abstract

Specific Features of the Distribution Pattern of Detrital Zircon Age in the Epi-Hercynian Molasse of the Greater Caucasus (Lower Permian Aksaut Formation)

A. S. Novikova, N. B. Kuznetsov, A. A. Razumovskiy, I. V. Fedyukin, T. V. Romanyuk, I. V. Latysheva, K. I. Dantsova, A. V. Shatsillo, O. A. Maslova, A. S. Dubenskiy, K. G. Erofeeva, and V. S. Sheshukov p. 384 abstract

Causes, Mechanisms and Rates of Land Subsidence in the Red River Delta and Warnings of Excessive Groundwater Exploitation

Nghi Tran, Thu Trinh Hoai, Renat Shakirov, Natalia Sokolova, Huong Tran Thi Thuy, Nam Le Dinh, Toan Ngo Quang, Thanh Dinh Xuan, Nhuan Do Van, Thao Nguyen Thi Phuong, Anh Bui Thi Bao, Hang Pham Thi Thu, and Tung Nguyen Xuan p. 410 abstract

Contents

Lithology and Mineral Resources