Contents

Geochemistry International

Vol. 58, No. 7, 2020

Phoscorites and Carbonatites: Relations, Possible Petrogenetic Processes, and Parental Magma, with Reference to the Kovdor Massif, Kola Peninsula

I. T. Rass, D. B. Petrenko, E. V. Koval’chuk and A. I. Yakushev p. 753  abstract

Experimental Study of Amphibole Interaction with H2O–HCl Fluid at 650–750°C, 5–7 Kbar: Implications for High-Temperature Metasomatism of Metabasites

L. I. Khodorevskaya p. 779  abstract

Study of Reflectance Spectra of Micrometeorites with Porous Structure from the Novaya Zemlya Ice Sheet

V. V. Busarev, D. D. Badyukov and N. V. Pronina p. 795  abstract

Rare Metal Distribution and Mineralization Potentiality of Pegmatites in Gabal El Fereyid Granite, South Eastern Desert, Egypt

M. E. Bahaa, M. S. Gehad, I. D. Maher, A. S. Hassan and F. M. Khaleal p. 802  abstract

Hydrocarbons in the Water and Bottom Sediments of the Barents Sea during Ice Cover Variability

I. A. Nemirovskaya p. 822  abstract

Biogeochemical Migration of Elements in the System “Atmospheric Precipitation–Crown Waters–Soil Waters–Lake” in the Background Region (Valdai National Park)

N. A. Gashkina, T. I. Moiseenko, M. I. Dinu, Yu. G. Tatsii and D. Yu. Baranov p. 835  abstract

Rare Earth Elements in Surface and Groundwaters in the Area of a Tungsten-Mining Enterprise in Transbaikalia, Russia

A. M. Plyusnin, V. V. Dabaeva, D. I. Zhambalova, E. G. Peryazeva and V. S. Tashlykov p. 850  abstract