Contents

Geochemistry International

---

Vol. 59, No. 9, 2021

---

Peritectic Reaction of Olivine in the Olivine–Jadeite–Diopside–Garnet–(C–O–H) System at 6 GPa as the Key Mechanism of the Magmatic Evolution in the Upper Mantle

Yu. A. Litvin and A. V. Kuzyura p. 813  abstract

Composition of Volatiles Captured by Diamonds during Growth in the Metal–Carbon–Silicate System at High Pressure and High Temperature

A. A. Tomilenko, A. A. Chepurov, V. M. Sonin, T. A. Bul’bak, A. M. Logvinova, E. I. Zhimulev, T. Yu. Timina and A. I. Chepurov p. 840  abstract

Thermodynamic Analysis of Reactions of CO₂ Fluid with Garnet and Clinopyroxene at 3–6 GPa

Y. G. Vinogradova, A. F. Shatskiy and K. D. Litasov p. 851  abstract

Geochemical Features and Accumulation Conditions of Mn-Bearing Sediments in the Complex (Fe–Mn and BaSO₄–Pb) Ushkatyn-III Deposit, Central Kazakhstan

A. I. Brusnitsyn, E. N. Perova, O. S. Vereshchagin and M. N. Vetrova p. 858  abstract

Chemical Composition of Environmental Components in the Area of the Belaya Zima Ta–Nb Deposit, Eastern Sayan Range, Irkutsk Region

P. V. Kuznetsov and V. I. Grebenshchikova p. 889  abstract

Disequilibrium Uranium (²³⁴U/²³⁸U) in Natural Aqueous Objects and Climatic Variations: World Ocean

I. V. Tokarev, E. Yu. Yakovlev, S. B. Zykov and I. A. Zimina p. 895  abstract

---