• 责任者：Wu Jing (Faculty of Land Resource Engineering ; Kunming University of Science and Technology ; Kunming 650093 ; China) ; Li Feng
• 刊名：Acta Mineralogica Sinica
• 出版年：2011
• 卷期：31(3)
• 关键词：斑岩铜矿床 ; porphyry copper deposit ; 岩石地球化学 ; lithogeochemistry ; 花岗闪长岩 ; granodiorites ; 云南 ; Yunnan Province
• 页码：p.550-559
• 图表：5 illus., 2 tables, 18 refs.
• 分类号：1001
• 出版序号：512
• issnNo：ISSN1000-4734
• isbnNo：CN52-1045/P

The Chundu complex porphyry body consists of diorite porphyrite stock and granodiorite porphyry dike. The latter is the minerogenic mother rock of porphyry copper deposits. According to the geochemical feature, such LIL elements including Cs, Rb, K, Ba and Sr are apparently concentrated, while opposite for those inactive HFS elements including Y, Hf, Zr, Ti, Nb and Ta. It indicates that magma originated from upper mantle or lower crust with crust substance involved in. With the help of tectonic background, porphyry rocks formed in volcanic arc structural environment of active continental margin, which can be regarded as the outcome of westward subduction of oceanic crust along Ganzi-Litang trench.