Contents

Geochemistry International

Vol. 57, No. 5, 2019

Isotopic and Geochemical Study of Organic Matter in Marine Sediments from the Indigirka Delta to the Ice Shelf Border of the East-Siberian Sea

V. S. Sevastyanov, V. S. Fedulov, V. Yu. Fedulova, O. V. Kuznetsova, N. V. Dushenko, S. G. Naimushin, A. V. Stennikov and A. P. Krivenko p. 489  abstract

High-Pressure Elastic Properties of Polycyclic Aromatic Hydrocarbons Obtained by First-Principles Calculations

K. D. Litasov, T. M. Inerbaev, F. U. Abuova, A. D. Chanyshev, A. K. Dauletbekova and A. T. Akilbekov p. 499  abstract

Estimation of the Content and Composition of Trapped Melt in Dunite

B. A. Bazylev, G. V. Ledneva, Ya. V. Bychkova, N. N. Kononkova, T. G. Kuz’mina and T. V. Romashova p. 509  abstract

Sapphirine-Bearing Granulites of the Anabar Shield

A. D. Nozhkin, I. I. Likhanov, K. A. Savko, A. A. Krylov and P. A. Serov p. 524  abstract

Geochemical Features, Sources, and Geodynamic Settings of Accumulation of the Cambrian Sedimentary Rocks of the Mel’gin Trough (Bureya Continental Massif)

R. O. Ovchinnikov, A. A. Sorokin, V. P. Kovach and A. B. Kotov p. 540  abstract

Thermochemical Study of Sodium and Sodium–Calcium Amphibols

L. P. Ogorodova, I. A. Kiseleva, M. F. Vigasina, Yu. D. Gritsenko, I. A. Bryzgalov and L. V. Melchakova p. 556  abstract

Stable Isotope Ratios of Carbonate and Organic Carbon from Silicified Tree Trunks, Petrified Forest, New Cairo, Egypt – Possible Interpretations of Palaeoenvironment

K. M. Hassan p. 564  abstract

Stable Carbon and Nitrogen Isotopes in Woody Plants and Herbs near the Large Copper Smelting Plant

D. V. Veselkin, O. E. Chashchina, N. B. Kuyantseva and A. G. Mumber p. 575  abstract

Acidic Drainage at the Pavlovskoe Ore Deposit, Novaya Zemlya Archipelago

O. A. Limantseva, B. N. Ryzhenko and E. V. Cherkasova p. 583  abstract

Short Communications

Age and Duration of the Formation of the Olimpiada Gold Deposit (Yenisei Ridge, Russia)

N. A. Gibsher, A. M. Sazonov, A. V. Travin, A. A. Tomilenko, A. V. Ponomarchuk, S. A. Sil’yanov, N. A. Nekrasova, E. O. Shaparenko, M. A. Ryabukha and M. O. Khomenko p. 593  abstract

Germanium-Rich Palladium Minerals Palladogermanide Pd2Ge, Paolovite Pd2(Sn, Ge), and Zvyagintsevite in Sulfide-Bearing Anorthosites of the Yoko-Dovyren Pluton, Baikal Area

E. M. Spiridonov, D. A. Orsoev, A. A. Ariskin, E. V. Kislov, N. N. Korotaeva, G. S. Nikolaev and V. O. Yapaskurt p. 600  abstract