1. Conditions of Accumulation and Fractionation of Zirconium and Hafnium in the Alkaline–Carbonatite Systems

   • L. N. Kogarko

   OriginalPaper 25 November 2019 Pages: 1243 - 1248

   

2. Amphibolites of the Metamorphic Basement of Wrangel Island: Age, Nature of the Protolith, and Conditions of Metamorphism

   • S. D. Sokolov
   • S. A. Silantyev
   • V. E. Verzhbitsky

   OriginalPaper 25 November 2019 Pages: 1249 - 1275

   

3. Metallogenic Regularity and Prospecting Predictions of Gold Deposits in China

   • J. L. Xue
   • Z. S. Pang
   • W. Tao

   OriginalPaper 25 November 2019 Pages: 1276 - 1294

   

4. Generation Processes and Geochemical Analysis of Simulated Biogenic Coalbed Methane from Lignite

   • A. K. Wang
   • P. Shao

   OriginalPaper 25 November 2019 Pages: 1295 - 1305

   

5. Equilibrium and Kinetic Simulation of Groundwater Deironing and Demanganation

   • B. N. Ryzhenko
   • M. V. Mironenko
   • O. A. Limantseva

   OriginalPaper 25 November 2019 Pages: 1306 - 1319

   

6. Content of Technogenic Radionuclides in Water, Bottom Sediments, and Benthos of the Kara Sea and Shallow Bays of the Novaya Zemlya Archipelago

   • T. A. Goryachenkova
   • A. P. Borisov
   • A. P. Novikov

   OriginalPaper 25 November 2019 Pages: 1320 - 1326

   

7. Origin of Underground Brine in Potassium-Bearing Strata in Khammouane, Central Laos

   • Zhanjie Qin
   • Qingkuan Li
   • Fashou Shan

   OriginalPaper 25 November 2019 Pages: 1327 - 1338

   

8. Correlation of High-Calcium Silica-Undersaturated Complex of the Maymecha–Kotuy Province with Siberian Flood Basalts: New Age Data on the Kugda Massif (Polar Siberia)

   • M. O. Anosova
   • Yu. A. Kostitsyn
   • L. N. Kogarko

   SHORT COMMUNICATIONS 25 November 2019 Pages: 1339 - 1342

   

9. Thermodynamic Properties of Montecellite

   • L. P. Ogorodova
   • Yu. D. Gritsenko
   • L. V. Melchakova

   SHORT COMMUNICATIONS 25 November 2019 Pages: 1343 - 1348

   

10. Cesium-137 Concentration in the Surface Waters of Eurasian Seas: Evidence from the Expedition Research of 2017

    • O. N. Miroshnichenko
    • A. A. Paraskiv
    • S. B. Gulin

    SHORT COMMUNICATIONS 25 November 2019 Pages: 1349 - 1354

    

11. Estimation of the Formation Conditions of the Bishuli Thermomineral Water (Crimean Plain) by Isotope Geochemical Methods

    • G. N. Amelichev
    • I. V. Tokarev
    • S. V. Tokarev

    SHORT COMMUNICATIONS 25 November 2019 Pages: 1355 - 1359