Geology and hydrothermal evolution of the Baituyingzi porphyry Mo (Cu) deposit, eastern Inner Mongolia, NE China: Implications for Mo and Cu precipitation mechanisms in CO₂-rich fluids

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• 作者：Yan Sun^a ; ^b ; ^c ; ^{yansun850121@163.com} ; Jianming Liu^b ; ^{jml@mail.iggcas.ac.cn} ; Qingdong Zeng^b ; ^{qdz@mail.iggcas.ac.cn} ; Jingbin Wang^a ; Yuwang Wang^a ; Ruizhong Hu^c ; Lingli Zhou^b ; Guanbin Wu^b ; Yuyou Gao^d ; Wenjun Shen^d
• 关键词：Baituyingzi porphyry Mo (Cu) deposit ; Xilamulun Mo metallogenic belt ; Fluid inclusions ; HO isotopes ; Mo and Cu precipitation mechanisms ; CO2-rich fluids
• 刊名：Ore Geology Reviews
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：81
• 期：part_P2
• 页码：689-705
• 全文大小：4838 K
• 卷排序：81

文摘

Fluids are primarily of magmatic origin at Baituyingzi. Fluids belong to a vapor-dominated H2OCO2NaCl system. Cu precipitation is promoted by a decrease in temperature to below 400 °C. Mo deposition is a result of water-CO2 immiscibility below 350 °C.