Contents

Russian Journal of Pacific Geology

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Vol. 20, No. 1, 2026

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Geological, Geodynamic, Morphostructural and Landscape Transformations in Amur Region, the Far East of Russia, at the Late Cretaceous–Early Paleogene Boundary

A. P. Sorokin, Y. L. Bolotsky, and S. V. Dugin p. 1  abstract

Micromineralogical Evidence for High-Temperature Mineralized Fluid Interaction with Dolomites Hosting the Poperechny Fe–Mn Deposit (Russian Far East)

N. V. Berdnikov, V. G. Nevstruev, P. K. Kepezhinskas, V. O. Krutikova, N. S. Konovalova, and N. V. Potapova p. 10  abstract

Volcanism of the Nembonda Trough, Western Chukotka: Geochronology, Geochemistry, and Stratigraphy

A. L. Konovalov, E. V. Starikova, A. V. Cherkashin, A. M. Gagieva, V. V. Akinin, and T. N. Surin p. 28  abstract

Composition and Facies Formation Environments of Cherts in the Algan Terrane (Pacific Margin)

M. Yu. Gushchina, A. V. Moiseev, and T. N. Palechek p. 50  abstract

Geoelectric Characteristics of the Lithosphere in the Southern Sikhote-Alin Orogenic Belt from Magnetotelluric Sounding Data

A. K. Bronnikov and M. Yu. Nosyrev p. 64  abstract

Empirical Relationship between Source-Related High-Frequency Acceleration Spectral Level, Moment Magnitude, and Tectonic Earthquakes

A. V. Konovalov and Yu. A. Stepnova p. 79  abstract

Clay Minerals in Quaternary Sediments from Contact Zones with Basalts, Hole 485/485A, Mouth of the Gulf of California

V. B. Kurnosov, B. A. Sakharov, and E. O. Goncharov p. 89  abstract

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