不同尺度的CMF模式及其应用2.ppt

各类流体成矿系统的全球构造-成矿模式,CMF模式:矿床矿体尺度成因模型,CMF模式:矿床或矿体尺度结构模型,找矿应用或证明,中亚造山带中央造山带喜马拉雅-三江中国东部,&HY Chen et al.(2000),Modified after HY Chen et al.(2000)and Rui et al.(2002),阿勒泰,东准噶尔,刊于：Chen YJ(1997)Acta Geologica Sinica,71,69-71.,证据/应用,证据与应用,西准噶尔,西天山,承担黄金部队项目期间，于1994年采到含金 18.5 克/吨的样品，发现了阿苏沃金矿点。,阿苏沃,节自新疆天格尔-巴伦台地区找矿预测图(1:50万)(陈衍景,常西临主编，2001),证据与应用,Distribution of orebodies in the Sawayardun gold orefield,Southwest Chinese Tian Shan,证据与应用,南天山,Case study,The Wangfeng gold Deposit,D and 18O of orefluids of Vein 12(),Case study,Case study,D and 18O of ore fluids of Vein 31(),1000lnquartz-water3.38106/T2-3.40,Case study,13C of ore fluids of the Wangfeng gold deposit(),Case study,34S()and Lead isotope ratios of ores of the Wangfeng gold deposit,Fluid inclusions of quartz separates from oresRb-Sr isochron age:277.058.8MaISr0.73000.0006；Host-rock(mylonitized granitoids)Rb-Sr isochron age:31010MaISr0.72640.0007,Case study,Timing of metallogenesis of the Wangfeng gold deposit,Conclusions:Ore formed syncollisionally,postdates oceanic closure(322 Ma)by 45 Ma;Ore metals sourced from crust,esp.SEDIMENTS with high ISr,According to Li Huaqin et al.(1998),Case study,180Ma,陈衍景等，2004地质论评,Nappestructures,Model of W Qinling,甘肃阳山超大型矿床,