Инд. авторы:	Laptev Yu.V
Заглавие:	Experimental and computational model of pyrite-sphalerite-barite assemblage formation under the mixing of fluids [ЭКСПЕРИМЕНТАЛЬНАЯ И РАСЧЕТНАЯ МОДЕЛЬ ОБРАЗОВАНИЯ ПИРИТ-СФАЛЕРИТ-БАРИТОВОЙ АССОЦИАЦИИ ПРИ СМЕШЕНИИ ФЛЮИДОВ]
Библ. ссылка:	Laptev Yu.V Experimental and computational model of pyrite-sphalerite-barite assemblage formation under the mixing of fluids [ЭКСПЕРИМЕНТАЛЬНАЯ И РАСЧЕТНАЯ МОДЕЛЬ ОБРАЗОВАНИЯ ПИРИТ-СФАЛЕРИТ-БАРИТОВОЙ АССОЦИАЦИИ ПРИ СМЕШЕНИИ ФЛЮИДОВ] // Записки Российского минералогического общества. - 2019. - Vol.148. - Iss. 1. - P.117-125. - ISSN 0869-6055.
Внешние системы:	DOI: 10.30695/zrmo/2019.1481.09; РИНЦ: 37581757; SCOPUS: 2-s2.0-85065125714;
Реферат:	eng: Experimental and thermodynamic study of the formation conditions of sulfates and sulfides under the mixing of fluids has been carried. This geochemical process is very important for modern sulfide ore formation at the floor of the oceans. Experimental procedure was based on the scheme H 2 S (H 2 SO 4 ) + МеСl 2 → MeS (MeSO 4 ) + 2HCl. During experiments, sphalerite and pyrite, together with barite, were synthesized by mixing aquatic solutions of chloride of zinc, iron, and barium with sulfide-containing solutions at temperature of 200-275 °C and pressure of 100 bar. Experimental data on the composition of fluid and solid phases were used to validate a computational model. To calculate the composition of non-ideal solid solution of sphalerite (ZnS-FeS), the Margules asymmetric model was applied. Contents of iron in sphalerite calculated through this model and determined from experiments at 243 °С are 1.5 and 1.0 wt % correspondingly. The good similarity of these values indicates the feasibility of the proposed model of deep-sea sulfide ore formation in ocean floor structures. © 2019 Eco-Vector LLC. All Rights Reserved.
Ключевые слова:	Sphalerite; Pyrite; Mixing of fluids; Experiment; Barite;
Издано:	2019
Физ. характеристика:	с.117-125