青海立新地区水系沉积物地球化学特征及找矿预测  

Geochemical characteristics of stream sediments and prospecting prediction in the Lixin area,Qinghai Province

作　　者：张庆华 ZHANG Qinghua(Geological and Mineral Exploration Institute,Non-ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou,Guiyang 550005,Guizhou,China)

机构地区：[1]贵州省有色金属和核工业地质勘查局地质矿产勘查院,贵州贵阳550005

出　　处：《矿产与地质》2018年第6期1091-1097,共7页Mineral Resources and Geology

基　　金：青海省地质勘查基金项目(编号:KD2012-06)资助

摘　　要：根据1∶5万水系沉积物测量分析结果,研究了青海立新地区水系沉积物地球化学特征。通过对元素的含量、元素的相关性、元素异常组合等特征的研究,结果显示地球化学水系沉积物测量在圈定找矿远景区上有较好的找矿效果,在此基础上结合区内地质成矿构造条件,优选了拉忍科钨铋多金属矿、多香琼陇铅铋多金属矿和巴陇斜尼金多金属矿3处找矿靶区。On the basis of 1∶50,000 stream sediment survey,the geochemical characteristics of Lixin area in Qinghai Province were tentatively analyzed.The study on the elements composition,elements relation in single anomaly and features of element assemblages in this area,indicated that the method of geochemical stream sediment survey was effective in delineating the prospecting area.Combining with the metallogenic background in the aspects of strata and structure,three prospecting targets were selected in Lixin area:Larenke W-Bi polymetallogenic target area,Duoxiangqionglong Pb-Bi polymetallogenic target area,Balongxieni Au polymetallogenic target area.

关 键 词：水系沉积物测量 地球化学特征 找矿预测 立新地区 青海 

分 类 号：P632[天文地球—地质矿产勘探] P612[天文地球—地质学]