Vol. 61, No. 12, 2023

Geochemistry International

Sr–Nd Isotopic Evidence of a Heterogeneous Magmatic Source of Alkaline–Carbonatite Rocks of the Odikhincha Alkaline–Carbonatite Massif (Maimecha-Kotui Province, Siberia)

Y. A. Kostitsyn, A. R. Tskhovrebova, I. T. Rass and M. O. Anosova p. 1221 abstract

Strontium and Neodymium Isotopic Signatures in Basalt Glasses of the Mid-Atlantic Ridge, 12°–31° N

A. R. Tskhovrebova, V. V. Shabykova, S. A. Silantyev and A. I. Buikin p. 1241 abstract

Major, Volatile, Ore, and Trace Elements in Magmatic Melts in the Earth’s Dominant Geodynamic Environments. I. Mean Concentrations

V. B. Naumov, V. A. Dorofeeva and A. V. Girnis p. 1253 abstract

Thermal and Thermochemical Study of Thaumasite

Yu. D. Gritsenko, M. F. Vigasina, L. V. Mel’chakova, L. P. Ogorodova, D. A. Ksenofontov and S. K. Dedushenko p. 1273 abstract

Upper Riphean and Lower Paleozoic Quartzite Sandstones of the Circumpolar Urals: Geochemical Characteristics, Source Areas, and Conditions of Formation

N. Yu. Nikulova p. 1283 abstract

Atmospheric Pollution from a Storage of Tungsten–Molybdenum Ore Mining and Processing Wastes

A. M. Plyusnin, Yu. S. Voronina, A. V. Ukraintsev, M. K. Chernyavskii, E. G. Peryazeva and E. P. Chebykin p. 1293 abstract

Ecological and Geochemical Assessment of Snow Cover in the Area Affected by the Apatite–Nepheline Production of the Kola Peninsula

V. A. Dauvalter, S. S. Sandimirov, D. B. Denisov, M. V. Dauvalter and Z. I. Slukovskii p. 1308 abstract

Contents

Geochemistry International