新疆东准噶尔小哈甫提克山一带金铜矿床找矿前景分析  

Analysis of gold and copper prospecting potentials in Xiaohafutike mountain area of East Junggar,Xinjiang

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作  者:窦隆洋 弓小平[1] 韩琼[1] 张燕波[1] 谢磊[1] 

机构地区:[1]新疆大学地质与矿业工程学院

出  处:《黄金》2015年第4期25-30,共6页Gold

基  金:中国地质调查局项目(12120113041900);国家自然科学基金地区科学基金项目(41462004)

摘  要:研究区位于准噶尔盆地东北缘,西起中蒙边境小哈甫提克山一带,东至红星一牧场,属于西伯利亚板块南缘之库普成矿带。研究区断裂构造复杂,岩浆活动频繁,金成矿地质条件非常优越。通过对该研究区的地层、构造及岩浆岩等地质特征进行总结,结合矿脉特征开展分析研究;运用区域地球物理、地球化学等研究方法,综合找矿信息,进行找矿前景分析。研究认为,上泥盆统苏海图组和下石炭统南明水组为研究区的赋矿地层,华力西中期的岩浆活动为成矿提供了热源。化探数据显示Au的成矿与酸度有明显的关系,并且随岩石酸度的增高,Au含量增高。综合多元成矿信息,认为东准噶尔小哈甫提克山一带金铜矿床(点)找矿潜力巨大,具有进一步开展地质工作的价值。The study area is located on the northeast margin of Junggar Basin,west of the Mongolian border,Hafutike Mountain,east to a pasture of Hongxing,belonging to Koop metallogenic belt on the southern margin of the Siberia plate.Geological conditions for gold mineralization are very favorable with complex structure and frequent magmatic activities in the faults of research area.The features such as the strata,structure and magmatite are summarized as well as the features of ore veins to start the analysis and research; ore-prospecting potentials are analyzed using the regional geophysical,geochemical and other research methods based on the prospecting information.Studies suggest that the systems of Upper Devonian Suhaitu Group and Lower Carboniferous Nanmingshui Group are the ore-depositing strata in the study area,and mid-Variscan magmatic activities provided hydrothermal source for mineralization.Geochemical data show that Au mineralization has a clear relationship with acidity,and Au content increases with rock acidity.Combined with various metallogenic information,the paper takes that East Junggar Xiaohafutike Mountain has potentials in prospecting gold copper deposits ( point) ,worth further geological work.

关 键 词:地质特征 找矿标志 找矿前景 小哈甫提克山一带 新疆东准噶尔 

分 类 号:TD15[矿业工程—矿山地质测量] P618.51[天文地球—矿床学]

 

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