闽北邵武地区水系沉积物地球化学特征及找矿预测
投稿时间:2022-02-21  修订日期:2022-04-25  点此下载全文
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韩志坤 中化地质矿山总局河南地质局 450000
中文摘要:摘要:邵武地区位于浙中-武夷山(隆起)W-Sn-Mo-Au-Ag-Pb-Zn-Nb-Ta-(叶腊石)-萤石成矿带(Ⅲ-81),闽西北萤石矿成矿亚带(Ⅳ-1)的西南部,具有较好的找矿前景。本次综合研究元素的地球化学特征参数,元素R聚类相关性、单元素异常特征等,表明F、Au、Pb、Zn、Nb、Ta等元素具有一定的找矿潜力,并圈定单元素异常652个,综合异常26处;依据水系沉积物异常、筛选、评序及主要异常解释推断的成果, 结合区内成矿地质构造背景,圈定村尾-下炉铅锌矿、吴家塘-南山下萤石矿、祝岭-洋半天萤石矿和铅锌矿、半岭--张厝萤石矿找矿预测区4处,为该区下一步找矿工作提供了勘查方向和重要参考;优选出半岭--张厝萤石矿找矿预测区,通过野外路线地质调查、槽探等手段进行了异常查证,得到了较好的找矿预期效果。
中文关键词:关键词:水系沉积物测量  地球化学  半岭-张厝萤石矿找矿预测区  邵武
 
Geochemistry characteristics of stream sediments and prospecting prediction in Shaowu area, Fujian Province
Abstract:Abstract: The Shaowu area is located in the southwest of the fluorite metallogenic belt (Ⅲ-81) and the fluorite metallogenicsubbelt (Ⅳ-1) in the central zhejiang-wuyi uplift, there are 19 small fluorite deposits and fluorite occurrences, all of which are mid-low temperature hydrothermal filling fluorite deposits of nanshan-xia type. A total of 1200 km of 1:50000 stream sediments were measured in this work, and 26 comprehensive anomalies were delineated based on the data processing, the characteristics of element anomalies, metallogenic geological conditions and the results of anomaly verification in the study area, one prospecting area of banling-zhangcuo fluorite deposit is optimized, which provides prospecting direction and important reference for this area.
keywords:Key words: Stream Sediment Survey  geochemistry features  banling-zhangcuo prospecting target area.
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