Contents

Geochemistry International

Vol. 59, No. 5, 2021

Early Neoproterozoic Metapicrite–Basalt Association of the Angara Region, Yenisei Ridge: Petrogeochemical Composition, Tectonic Settings, and Pb–Zn Mineralization

A. D. Nozhkin, P. S. Kozlov, I. I. Likhanov, S. V. Zinoviev and A. A. Krylov p. 455  abstract

Estimation of Formation Temperature of the Noble Metal Mineralization of the Kovdor Alkaline-Ultrabasic Massif (Kola Peninsula)

N. V. Sorokhtina, V. A. Zaitsev, S. V. Petrov and N. N. Kononkova p. 474  abstract

Infiltration of Intercumulus Liquid as a Process for the Sulfide Relocation—An Example from Low-Sulfide Mineralization of the Burakovo–Aganozero Intrusion

G. S. Nikolaev p. 491  abstract

Differentiation of Oils in Tatarstan Based on the Composition of Saturated Biomarkers

M. B. Smirnov, N. P. Fadeeva and N. A. Vanyukova p. 501  abstract

Short Communications

Using 137Cs in the Assessment of Vermiculite Content in Arable Soils in the European Part of Russia

I. V. Konopleva and A. A. Zabezhaylova p. 516  abstract

Structural Reconstruction of the Middle Uralian Part of the Uralian Orogen at the Initial Stage of Its Formation: Evidence from Clay Geochemistry

A. V. Maslov, G. A. Mizens, L. V. Badida and M. T. Krupenin p. 522  abstract

Features of Formation of Organic Compounds in the Ground and Bottom Sediments of the Industrial Zone of Khabarovsk

L. A. Garetova, N. K. Fisher, E. L. Imranova, O. A. Kirienko and A. M. Koshelkov p. 528  abstract

Mercury Content in the Soil-Vegetation Cover of Russky and Shkot Islands (Peter the Great Bay, Primorsky Territory)

K. S. Ganzei, N. F. Pshenichnikova, A. G. Kiselyova, S. G. Yurchenko and I. M. Rodnikova p. 537  abstract