Инд. авторы: Bataleva Y.V., Palyanov Y.N., Borzdov Y.M., Zdrokov E.V., Sobolev N.V.
Заглавие: Experimental modeling of the interaction of subducted carbonates and sulfur with mantle silicates
Библ. ссылка: Bataleva Y.V., Palyanov Y.N., Borzdov Y.M., Zdrokov E.V., Sobolev N.V. Experimental modeling of the interaction of subducted carbonates and sulfur with mantle silicates // Doklady Earth Sciences. - 2016. - Vol.470. - Iss. 1. - P.953-956. - ISSN 1028-334X. - EISSN 1531-8354.
Внешние системы: DOI: 10.1134/S1028334X16090105; SCOPUS: 2-s2.0-84991264802; WoS: 000385408100014;
Реферат: eng: Experimental studies in the system Fe,Ni–olivine–carbonate–S (P = 6.3 GPa, T = 1050–1550°C, t = 40–60 h) aimed at modeling of the interaction of subducted carbonates and sulfur with rocks of the silicate mantle and at investigation of the likely mechanism of the formation of mantle sulfides were performed. It is shown that an association of olivine + orthopyroxene + magnesite + pyrite coexisting with a sulfur melt/fluid with dissolved Fe, Ni, and O is formed at T ≤ 1250°C. An association of low-Fe olivine, orthopyroxene, and magnesite and two immiscible melts of the carbonate and S–Fe–Ni–O compositions are formed at T ≥ 1350°C. It is shown that the reduced S-bearing fluids may transform silicates and carbonates, extract metals from the solid-phase matrix, and provide conditions for generation of sulfide melts. © 2016, Pleiades Publishing, Ltd.
Ключевые слова: Sulfide melt; Solid-phase; Silicate mantles; Orthopyroxene; Experimental modeling; Dissolved fe; Sulfur; Silicate minerals; Olivine; Nickel; Magnesite; Carbonates; Silicates;
Издано: 2016
Физ. характеристика: с.953-956