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个旧老厂锡多金属矿田东部断裂构造地球化学异常特征
GEOCHEMICAL ANOMALY SIGNATURES OF FAULT STRUCTURE IN EASTERN GEJIU TIN POLYMETALLIC ORE FIELD
【摘要】 为了更好指导下一步找矿工作,对研究区可能存在的隐伏矿体进行定位预测,采用构造地球化学的研究方法对个旧老厂锡多金属矿田东部断裂构造地球化学异常特征进行了详细的分析研究。结果表明,本区主要成矿元素Sn、Cu、Pb、Zn、Ag、Mn浓度分布趋势大致呈现西(北)高东(南)低之势;元素组合异常明显,呈北东向带状展布;主要成矿元素及与成矿相关的元素表现出10个浓集中心。
【Abstract】 The tecto-geochemical explorating method has been employed to carry out a detailed study on the tecto-geochemical characteristics of the tin deposit for the purpose of pin-pointing prospecting of potential mineralization and providing a guide line for follow-up exploration. The results from this study show a distinct distribution trend of higher concentration in the west (north) and lower concentrations in the east (south) of major ore-forming elements such as copper, lead, zinc, silver, tin and manganese. The tecto-geochemical signatures are distributed in a NE-extending belt with remarkable comprehensive anomalies of different elements. There are 10 concentration centers of major ore-formation or relevant elements. The conclusion of this paper and its application in exploration have turned out positive results and it is of practical significance in mining and further exploration.
【Key words】 tin polymetallic ore field; tecto-geochemistry; Laochang tin deposit;
- 【文献出处】 矿物学报 ,Acta Mineralogica Sinica , 编辑部邮箱 ,2004年02期
- 【分类号】P618.6
- 【被引频次】22
- 【下载频次】416