Volcanic-Plutonic Complex, Ore-Forming Rocks and Their Alterations in Tuwu Porphyry Cu Deposit of Xinjiang
详细信息
- 责任者：Pan Hongdi (Collage of Earth Sciences ; Chang’an University ; Xi’an 710054 ; China) ; Shen Ping
- 刊名：Mineral Deposits
- 出版年：2013
- 卷期：32(4)
- 关键词：斑岩铜矿床 ; porphyry copper deposit ; 新疆 ; Xinjiang
- 页码：p.795-809
- 图表：7 illus., 1 table, 29 refs.
- 分类号：1001
- issnNo：ISSN0258-7106
- isbnNo：CN11-1965/P
摘要
The Tuwu porphyry copper deposit is located in Late Paleozoic Dananhu-Tousuquan island arc in East Tianshan Mountains, Xinjiang. The authors recognized a volcanic-plutonic complex at Tuwu that includes two cycles comprising four lithofacies. The pre-mineralization stage was formed at the late stage of the volcanic activity which resulted in propylitization. The mainmineralization stage was associated with the emplacement of the plagiogranite porphyry which produced potassic silicate alteration, chloritizationsericitization, and phyllic alteration as well as associated mineralization. The mineralization stages included three sub-stages, i.e., potassic silicate, chlorite-sericite, and phyllic alteration sub-stages.