Water-rock interaction modeling of ore-forming process in a Carlin-type gold deposit, SW China

摘要：

Modeling of the mineralizing process at the Shangmanggang Carlin-type gold deposit by CHILLER accurately reproduced both the paragenetic sequence of syn-ore alteration assemblages and the proportions of mineral assemblages. Input parameters were the chemical composition of the ore-hosting rocks,dolomite from Sazipo Formation (P1s) and sandy mudstone from Mongga Formation (J2m). The modeling path comprises isothermal dilution (Stage Ⅰ dilution and quenching)-isothermal reaction with host rocks (Stage Ⅱ Ore-forming fluid/dolomite interaction-isobaric cooling (Stage Ⅲ cooling)-isothermal reaction with host rocks (Stage Ⅳ interaction of the ore-forming fluid with the sandy mudstone)-isobaric cooling upon opening of the system (Stage Ⅴ).

作者: Z.Li G.Tu C.Li

作者单位: National Lab off Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China

会议类型: 国际会议

会议名称: 第十二届水-岩相互作用国际研讨会(P0roceedings of the 12th International Symposium on Water-Rock Interaction)

会议地点: 昆明

会议语种:英文

页码: 1681-1685

在线出版日期: 2007-07-31（万方平台首次上网日期，不代表论文的发表时间）