Contents

Geochemistry International

Vol. 56, No. 3, 2018

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Geochemistry International ISSN 0016-7029.

U–Pb Age and Hf–Nd–Sr Isotopic Systematics of Vein Rocks of the Volkovsky Massif, Middle Urals, Russia

E. V. Anikina, K. N. Malitch, E. A. Belousova, I. Yu. Badanina, N. G. Soloshenko, I. A. Rusin and A. V. Alekseev p. 199  abstract

First Data on the Geochemistry and Age of the Kontay Intrusion in Polar Siberia

V. A. Zaitsev, D. V. Elizarov, Ya. V. Bychkova, V. G. Senin and T. B. Baynova p. 211  abstract

Composition of Volatile Components in Mineral-Hosted Fluid Inclusions at Hydrothermal Deposits. Water–Rock–Gas Systems in Ore-Forming Processes

O. F. Mironova, V. B. Naumov and B. N. Ryzhenko p. 226  abstract

Li-Tosudite: X-Ray Diffraction, IR Spectroscopic, Thermal, and Thermochemical Studies

L. P. Ogorodova, M. F. Vigasina, E. A. Vlasov, L. V. Mel’chakova, V. V. Krupskaya and E. M. Spiridonov p. 234  abstract

Gold Dissolution in Dry Salt Melts in the Presence of SiO2 as a Function of Р(O2)

K. I. Shmulovich, P. G. Bukhtiyarov and E. S. Persikov p. 240  abstract

Implications of Color and Lightness Characteristics for Lithostratigraphy of Bottom Sediments from the Chukchi Plateau, Arctic Ocean

A. N. Kolesnik, A. A. Bosin, O. N. Kolesnik, V. V. Sattarova, E. G. Vologina, E. E. Taldenkova and N. O. Chistyakova p. 246  abstract

Relations between the Chemical Composition of Organic Matter in Lacustrine Ecosystems and the Genesis of Their Sapropel

O. P. Taran, V. V. Boltenkov, N. I. Ermolaeva, E. Yu. Zarubina, I. V. Delii, R. E. Romanov and V. D. Strakhovenko p. 256  abstract

Copper Adsorption by Chernozem Soils and Parent Rocks in Southern Russia

D. L. Pinskii, T. M. Minkina, T. V. Bauer, D. G. Nevidomskaya, S. S. Mandzhieva and M. V. Burachevskaya p. 266  abstract

Short Communications

Specialized Methods of Thermal Treatment of Riverine and Marine Suspensions Preparatorily to Their Analysis for Trace Concentrations of Chemical Elements

V. N. Oreshkin, G. I. Tsizin and Yu. G. Tatsii p. 276  abstract