1. Provenance and U–Pb Age of Detrital Zircons from the Upper Proterozoic Deposits of the Polar Urals: To the Question of the Time of Formation of the Timan Passive Margin

   • A. M. Pystin
   • N. S. Ulyasheva
   • O. V. Grakova

   OriginalPaper 09 October 2020 Pages: 457 - 478

   

2. The C, O, and Sr Isotope Chemostratigraphy of the Vendian (Ediacaran)–Cambrian Transition, Olekma River, Western Slope of the Aldan Shield

   • B. G. Pokrovsky
   • M. I. Bujakaite
   • A. A. Kolesnikova

   OriginalPaper 09 October 2020 Pages: 479 - 492

   

3. The Upper Callovian Ammonites Cardioceratidae from Northern Siberia

   • A. S. Alifirov
   • V. G. Knyazev

   OriginalPaper 09 October 2020 Pages: 493 - 513

   

4. Chingandzha Paleoflora and Age of Cretaceous Volcanites of the Balygychan and Sugoy Interfluve and Adjoining Part of Okhotsk–Kolyma Watershed

   • S. V. Shczepetov
   • D. A. Yudova

   OriginalPaper 09 October 2020 Pages: 514 - 528

   

5. Campanian–Maastrichtian Radiolarians from Terranes of the Koryak Highland, Northeastern Russia

   • T. N. Palechek

   OriginalPaper 09 October 2020 Pages: 529 - 556

   

6. Mollusks in the Stratigraphic Subdivision of the Cenozoic Key Section at Kvachina Bay, West Kamchatka

   • Yu. B. Gladenkov

   OriginalPaper 09 October 2020 Pages: 557 - 566

   

7. Comments on the “Debatable Aspects of Initial Human Colonization of Siberia and Age of the Karama Site in the Altai Mountains” by V. S. Zykin, V. S. Zykina, and L. G. Smolyaninova

   • Ya. V. Kuzmin
   • A. Yu. Kazanskii

   DISCUSSION 09 October 2020 Pages: 567 - 569