1. The Origin of the Rhyolite Massif of the Upper Chegem Highland (North Caucasus)

   • N. V. Koronovskii
   • M. S. Myshenkova

   OriginalPaper 14 December 2020 Pages: 453 - 462

   

2. Signs of Polychronous Deformations in Carbonate Rock Microstructures of the Katav–Yuryuzan Transpression Zone (Southern Urals)

   • A. V. Tevelev
   • A. A. Borisenko
   • Yu. A. Gatovsky

   OriginalPaper 14 December 2020 Pages: 463 - 471

   

3. Menshikovite Pd₃Ni₂As₃ and Associating Minerals of Sulfide Ores at the Eastern Flank of the Oktyabrsky Deposit (Norilsk Ore Field)

   • E. M. Spiridonov
   • S. N. Belyakov
   • A. A. Serova

   OriginalPaper 14 December 2020 Pages: 472 - 480

   

4. The Zirconometry and Thermochronology of Migmatized Gneisses of the Gondaray Metamorphic Complex (Greater Caucasus)

   • V. Yu. Gerasimov
   • V. A. Snezhko
   • A. A. Ulyanov

   OriginalPaper 14 December 2020 Pages: 481 - 495

   

5. The Peculiarities of the Sample Preparation of Bottom Sediments for ICP-MS Elemental Analysis

   • Ya. V. Bychkova
   • D.P. Starodymova
   • A. Yu. Bychkov

   OriginalPaper 14 December 2020 Pages: 496 - 505

   

6. The Hydrogeochemical Features of Groundwater of the Bodrak River Basin, Kacha Uplift of Mountainous Crimea

   • E. P. Kayukova
   • T. A. Baraboshkina
   • E. A. Filimonova

   OriginalPaper 14 December 2020 Pages: 506 - 514

   

7. Distinguishing Precambrian Active Morphostructures in the Northern Ladoga Region from Comprehensive Geological–Geomorphological Data

   • A. O. Agibalov
   • V. A. Zaitsev
   • A. A. Sentsov

   OriginalPaper 14 December 2020 Pages: 515 - 521

   

8. Patterns in the Organic-Acid Leaching of Fluorine from Rocks

   • A. V. Savenko
   • V. S. Savenko

   BRIEF COMMUNICATION 14 December 2020 Pages: 522 - 526

   

9. The Patterns of the Ore–Metasomatic Zoning of the Svoboda District, the Malmyzh Au–Cu Porphyry Deposit

   • V. V. Svistunov

   BRIEF COMMUNICATION 14 December 2020 Pages: 527 - 531

   

10. A Lithological and Geochemical Description of Lower Silurian Graptolite Shales (Yangtze Platform, People’s Republic of China)

    • Hao Yuexiang
    • T. A. Shardanova
    • Huang Chongxing

    BRIEF COMMUNICATION 14 December 2020 Pages: 532 - 536

    

11. Determination of the Attenuation Factor via Seismoacoustic Studies in Wells to Estimate the Distribution of Heterogeneities in Artificial Soils

    • D. V. Shmurak

    BRIEF COMMUNICATION 14 December 2020 Pages: 537 - 541

    

12. Summary of the 25-Year-Work of the Planet Earth System Interdisciplinary Scientific Workshop-Conference of the Department of Geology of Moscow State University

    • V. L. Syvorotkin

    BRIEF COMMUNICATION 14 December 2020 Pages: 542 - 546