East Gobi molybdenum deposit in Xinjiang is the first superlarge molybdenum deposit discovered in the northwest China.Genetically it is a porphyry molybdenum deposit.The host porphyry is absolutely concealed.The article stresses the geochemical anomaly characteristics and the geochemical anomaly characteristics-based prospecting thinking.Relation of F,B anomaly to magmatic hydrothermal fluid was used to judge the concealed porphyry to depth and make a breakthrough in the molybdenum ore exploration.%东戈壁钼矿床是西北地区探明的第一个特大型钼矿床,其成因类型为斑岩型钼矿床；控矿斑岩体为全隐伏的斑状花岗岩体.文章介绍了东戈壁钼矿的地球化学异常特征及基于地球化学异常特征对钼矿床成因类型的分析,利用与岩浆热液有关的氟、硼异常的存在判断深部隐伏斑岩体,以此确定找矿关键思路.
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