广东贝岭矿区物化探异常特征及找矿标志

Geophysical and Geochemical Exploration(2015)

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Abstract
以1∶1万物化探异常工作成果为基础,初步分析了贝岭矿区的物化探异常特征。采用因子分析方法确定了矿区以Pb、Zn为主要成矿元素,成矿元素组合为Ag、Pb、Zn、Bi,并有W、Mo、Cu等多元素异常叠加;对1∶1万激电中梯资料分析得出,含矿岩体具有低阻、高极化率特征。通过分析物化探异常特征并结合异常区成矿地质条件,确定Ⅱ、Ⅲ异常为成矿最有利区段;布置6条激电测深剖面开展异常查证工作,在Ⅲ号异常区优选有利成矿部位实施了2个钻孔,均见到铅锌矿(化)体。根据矿区物化探异常特征和成矿地质条件,结合钻探工程验证结果,总结出该区的物化探找矿标志,指出Ⅱ号异常带应为下一步工程验证区。
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Key words
geophysical and geochemical anomalies,geochemistry,prospecting criteria,polymetallic ore belt,Beiling ore district
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