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东安大型金矿床5号矿脉的发现、勘查与启示 被引量:1

Discovery,exploration and inspiration of No.5 gold lode in Dong'an large-scale gold deposit,Heilongjiang
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摘要 东安金矿床是黑龙江省一大型LS型浅成低温热液金矿床,其最重要的5号矿脉通过蚀变地质填图发现,经水系沉积物、土壤、高精度磁法、视电阻率中梯、视电阻率对称四极测量及槽、井、钻、坑探工程控制,仅用3年时间提交了19~44线勘探报告,其单个矿脉资源储量已达大型以上。经系统总结认为,以矿床产出的有利地球动力学环境结合水系沉积物Au多元素组合异常进行找矿选区,以典型的矿床特征为准则进行勘查方法选择,以解决勘查过程中的关键地质问题为重点科学部署工作,是东安金矿床5号矿脉发现和勘查过程中的主要启示。 Dong'an gold deposit is a large-scale LS type epithermal gold deposit located in Heilongjiang province. Firstly, No. 5 gold lode in the deposit was found by alteration mapping, then surveyed by stream sediment survey, soil survey, high precision magnetic survey, apparent resistivity survey of central gradient array and symmetrical quadru- pole, and finally controlled by trenches, wells, drillholes and pits etc. It only took three years to prepare the exploration report for mining from No. 19 to No. 44 exploration lines. And the gold reserve of No. 5 gold lode solely is beyond large scale. It was systemically concluded that the inspiration during discovery and exploration work of No, 5 gold lode in Dong'an gold deposit includes delineating prospecting area by favorable geodynamic settings and Au-muhielement anomalies of stream soil survey, choosing exploration methods by the typical geological characteristics, and deploying scientific exploration by solving key geological problems.
出处 《黄金》 CAS 2012年第5期6-11,共6页 Gold
关键词 东安金矿床 5号矿脉 LS型浅成低温热液金矿床 勘查 启示 Dong'an gold deposit No. 5 gold lode low sulphidation epithermal gold deposit exploration inspiration
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