1. Barium Geochemical Cycle in the Ocean

   • A. Yu. Lein
   • M. D. Kravchishina

   OriginalPaper 07 July 2021 Pages: 293 - 308

   

2. A Long-Lived Center of Gas–Fluid Emanations on the Western Slope of the Kuril Basin (Sea of Okhotsk)

   • A. N. Derkachev
   • N. A. Nikolaeva
   • A. Hachikubo

   OriginalPaper 07 July 2021 Pages: 309 - 332

   

3. Geological Conditions of the Formation and Dissociation of Gas Hydrates in the Sea of Okhotsk: Tectonic and Genetic Aspects

   • A. I. Obzhirov
   • N. L. Sokolova
   • Yu. A. Telegin

   OriginalPaper 07 July 2021 Pages: 333 - 342

   

4. Lithological, Biological, and Tectonic Factors Determining the Structure of Oil-and-Gas Reservoirs

   • V. G. Kuznetsov
   • L. M. Zhuravleva

   OriginalPaper 07 July 2021 Pages: 343 - 355

   

5. Surface Formations in the Weathering Crusts of Carbonatites: Implication for the Genesis of Unique Rare Metal Ores in the Tomtor Deposit, Russia

   • A. V. Lapin
   • I. M. Kulikova
   • O. A. Nabelkin

   OriginalPaper 07 July 2021 Pages: 356 - 374