首页> 中文期刊> 《黄金科学技术》 >青海南巴颜喀拉造山带扎开陇巴地区地质特征及金矿找矿前景

青海南巴颜喀拉造山带扎开陇巴地区地质特征及金矿找矿前景

         

摘要

扎开陇巴位于可可西里—南巴颜喀拉山印支期(金、锑、钨、锡、稀有金属)成矿带,金、锑成矿地质条件优越。根据扎开陇巴地区金矿预查取得的成果,结合区域地质资料,从地层、构造、岩浆活动、变质作用及化探异常等方面对区内金成矿条件进行了分析,指出三叠系清水河组,与区域性 NW-SE 向深大断裂平行展布的次级断层破碎带,石英脉及 Au、As、Sb 多元素组合异常发育地段是有利成矿部位,表明扎开陇巴地区具有良好的金矿找矿前景。今后地质勘查应充分利用区域地质、化探资料,调整工作区块,加大德拉河流域金矿勘查力度,有望在扎开陇巴地区取得大的金矿勘查突破。%Zhakailongba locates in Hoh Xil-South Bayan Har mountain (gold,antimony,tungsten,tin,rare metal) metallogenic belt,which has superior ore-forming geological condition for gold and antimony ore.According to the advance survey of the gold deposits and attaching regional geological data,metallogenic condition of gold ore in Zhakailongba district is analyzed through the following aspects such as strata,structure,magmatism,metamorphism, geochemical exploration anomaly and so on,and the results show that the development sectons of Qingshuihe Formation(Triassic),secondary fault zone parallolled with regional NW-SE trending deep fault,quartz vein and Au, As,Sb multi-element combination anomaly are favorable mineralization site,this indicates that Zhakailongba area has a good prospects for gold ore.In order to make breakthrough in exploration of gold ore in Zhakailongba area, regional geology and geochemical exploration data should be fully used in future geological exploration,combined with adjustment of working area,and exploration of gold ore in Dela river basin must also be strengthened.

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