从喷流成因到斑岩-矽卡岩成矿系统:甲玛铜多金属矿床成功勘查的几点启示  

From VMS to porphyry-skarn metallogenic system:Some inspirations from successful exploration of Jiama copper-polymetallic deposit

作　　者：宋磊[1] 汪雄武[1] 唐菊兴[1,2] 秦志鹏[1] 雷传扬[1] 张俊成[1] 

机构地区：[1]成都理工大学,四川成都610059 [2]中国地质科学院矿产资源研究所,北京100037

出　　处：《矿床地质》2011年第2期219-230,共12页Mineral Deposits

基　　金：国土资源部西藏甲玛斑岩铜多金属矿科学基地协作研究(编号:BH0908-3);国土资源部西藏自治区矿产资源潜力评价项目(编号:1212010813025);地质调查项目"念青唐古拉地区成矿条件研究与找矿靶区优选"(编号:N0807);青藏专项(编号:1212010818089);西藏华泰龙矿业开发有限公司勘探项目;技术开发项目"西藏墨竹工卡县甲玛铜多金属矿床地质特征及找矿方向研究项目"(编号:E0804);教育部岩石学矿床学国家重点(培育)学科建设项目(编号:SZD0407)的联合资助

摘　　要：甲玛铜多金属矿床的成因问题一直影响着地质工作者的找矿思路。勘查项目组在前人地质工作的基础上,经多次实地踏勘,初步建立了甲玛-驱龙-邦铺矿集区的区域成矿系列,通过深入研究矿区的大地构造背景、深大断裂以及次级小断裂、大规模岩浆作用、地层等有利的成矿地质条件,解决了长期以来制约勘查进展的两个关键科学问题:是否为斑岩成矿;成矿中心(深部斑岩体)的位置。逐步建立并完善了斑岩-矽卡岩成矿系统的地质勘查模型,明确了先易后难、先地表后深部、分阶段寻找隐伏大型斑岩型铜钼金矿的目标,经合理布置并有效运用多种勘查方法与技术手段,取得了重大的找矿突破。The genetic controversy of the Jiama copper-polymetallic deposit have long affected geologists＇ prospecting idea.On the basis of previous researchers＇ work,the Exploration Project Party made repeated field reconnaissance,investigated such favorable geological conditions in this ore district as the tectonic setting,deep faults,secondary small fractures,large-scale magmatism and strata,i.e.,on such a basis,solved two scientific problems which had affected exploration progress for a long time,whether it belongs to porphyry mineralization or not;where is the mineralization center（deep porphyry）.Finally,the Exploration Project Party gradually formulated an improved geological exploration model for the porphyry-skarn ore mineralization system and delineated the target where the hidden and large porphyry copper-gold-molybdenum deposit is likely to be found on the principle that doing the easy work first and the difficult work later,conducting exploration from surface to the depth and by stages,and rationally arranging and effectively using various exploration methods.It is expected that a major breakthrough in ore-prospecting can be achieved on such a basis.

关 键 词：地质学 矿床成因 地质勘查模型 科学找矿 找矿突破 启示 

分 类 号：P618.41[天文地球—矿床学]