• 责任者：Ai Jinbiao (Sichuan Institute of Metallurgical Geology and Exploration ; Chengdu 610051 ; China) ; Ma Shengming
• 刊名：Mineral Deposits
• 出版年：2013
• 卷期：32(6)
• 关键词：斑岩钼矿床 ; porphyry molybdenum deposit ; 斑岩铜矿床 ; porphyry copper deposit ; 安徽 ; Anhui Province
• 页码：p.1262-1274
• 图表：7 illus., 5 tables, 37 refs.
• 分类号：1001
• issnNo：ISSN0258-7106
• isbnNo：CN11-1965/P

     This paper investigated the migration regularity of major elements in the process of mineralized alteration for granodiorite porphyry and siltstone in the Matou porphyry Mo-Cu deposit of Anhui Province. The calcula- tions of element mass migration show that the major elements experienced gains and losses in various degrees,and the migration regularity was obvious in the processes of Mo-Cu mineralized alteration. In granodiorite por- phyry, from potash alteration zone, sericitization zone to propylitization zone, the major elements showed gains of K20, CaO, SiO2, H2O＋ ; and the obvious loss of Na20, indicating that mineralization was closely associated with de-albitization and K feldspathization. In siltstone, altered rocks were obviously depleted in Na20, CaO, MgO, Fe203, H2O＋ , and the migration quantity of major elements in pyrite-molybdenum mineralization silt- stone was larger than that in propylitization. Metallogenic system quantitative calculation results show that the quality change of the system of granodiorite porphyry and siltstone did not increase or decrease on the whole, and the amount of gain is higher that of loss. It is held that it was purely gained in the whole metallogenic system and the mineralization of Mo-Cu was included in a negative anomalous system. The results obtained by the au- thors can provide evidence for quantitative evaluation of the prospecting potential of deep deposits, and may be- come a effective way for quantified evaluation of potential deep mineralization.