Comprehensive geogas anomalies in the Hongling area of Hami, Xinjiang: Characteristics and implications for prospecting
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摘要: 近年来,在新疆哈密境内的红岭地区发现了多条伟晶岩脉,显示了具有寻找伟晶岩稀有金属矿的良好前景。在区内布署了2条穿越主要伟晶岩脉的长剖面,采用综合地气测量技术方法对该区内的主要伟晶岩脉的含矿性进行了评价。其中,用手持式X射线荧光仪实施的快速土壤X射线荧光测量用于评价伟晶岩脉顶部或出露部分的含矿性,动态地气测量方法则用于获取伟晶岩脉深部矿化信息,评价伟晶岩脉深部含矿性。结果表明,红岭勘查区内的多条伟晶岩脉地表与深部均有矿化显示,值得开展进一步找矿工作。Abstract: In recent years, several pegmatite veins have been discovered in the Hongling area of Hami, Xinjiang, suggesting a promising prospect for pegmatite-type rare metal deposits. In this study, two long profiles crossing the main pegmatite veins were deployed in the area, and the integrated geogas prospecting technology was applied to evaluate the ore-bearing properties of the main pegmatite veins. Rapid soil X-ray fluorescence measurements performed by a handheld X-ray fluorescence instrument were used to evaluate the ore-bearing properties of the top or exposed parts of the pegmatite veins. The dynamic geogas prospecting method was employed to obtain the deep mineralization information of the pegmatite veins for evaluating their deep ore-bearing properties. The results show that many pegmatite veins in the Hongling area exhibit mineralization manifestations on their surfaces and in deep parts. Therefore, they are worthy of further prospecting work.
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