Vol. 57, No. 1, 2023

Geotectonics

The Geology of the World Ocean (Arctic and Antarctic): Achievements and New Research

B. V. Shumskiy, E. A. Gusev, G. L. Leitchenkov, O. E. Smirnov, G. A. Cherkashov and A. A. Chernykh p. S1 abstract

Tectonic Framework of the Eurasian Arctic Continental Margin

E. A. Gusev, D. E. Artemieva, A. Yu. Komarov, A. A. Krylov, D. M. Urvantsev, A. N. Usov and E. A. Zykov p. S13 abstract

The Tectonic Structure of the Antarctic

G. L. Leitchenkov and G. E. Grikurov p. S28 abstract

Digital Models of the Deep Structure of the Earth’s Crust in the Eurasian Basin of the Arctic Ocean

A. A. Chernykh, I. V. Yakovenko, M. S. Korneva and V. Yu. Glebovsky p. S34 abstract

Tectonic Model of the Formation of the Chukchi Borderland

V. A. Poselov, A. S. Zholondz, O. E. Smirnov, A. L. Piskarev, S. M. Zholondz, V. A. Savin, A. G. Zinchenko, N. E. Leonova and A. A. Kireev p. S53 abstract

Geochronological Study of Hydrothermal Precipitates in the Northern Equatorial Area of the Mid-Atlantic Ridge

G. A. Cherkashov, A. V. Firstova, A. S. Bich, K. A. Kuksa, A. A. Sukhanova, E. S. Yakovenko, T. V. Stepanova, V. Yu. Kuznetsov, A. E. Musatov, A. Yu. Petrov, F. E. Maksimov and B. E. Beltenev p. S69 abstract

The Structure of the Gakkel Ridge: Geological and Geophysical Data

A. L. Piskarev, V. D. Kaminsky, A. A. Kireev, V. A. Poselov, V. A. Savin, O. E. Smirnov, D. V. Bezumov, E. A. Dergileva, D. V. Elkina, G. I. Ovanesian and E. S. Ovsiannikova p. S84 abstract

Sedimentation in the Central Arctic Submarine Elevations: Results of Comprehensive Analysis of Paleomagnetic and Seismoacoustic Data

D. V. Elkina, A. L. Piskarev and D. V. Bezumov p. S100 abstract

Constraints on Geodynamic Setting of East Antarctic Orthopyroxene Granitoids Intrusions

N. V. Borovkov, G. L. Leitchenkov and I. A. Kamenev p. S112 abstract

Heat Flow at the Eurasian Margin: A Case Study for Estimation of Gas Hydrate Stability

A. V. Bochkarev, Yu. Yu. Smirnov and T. V. Matveeva p. S136 abstract

The Geological Characteristics of a Subpermafrost Gas Hydrate Reservoir on the Taimyr Shelf of the Kara Sea (Eastern Arctic)

T. V. Matveeva, A. O. Chazov and Yu. Yu. Smirnov p. S153 abstract

Contents

Geotectonics