黄金科学技术 ›› 2019, Vol. 27 ›› Issue (2): 172-180.doi: 10.11872/j.issn.1005-2518.2019.02.172
• 矿产勘查与资源评价 • 上一篇
Ming WEI1(),Bin ZHAO1(),Rui WANG1,Zhenxing PAN1,Liguo CAO2
摘要:
以陕西龙头沟金矿为例,通过收集矿山已有的勘查和生产数据,选用Micromine软件平台,并采用普通克里格方法进行插值,建立了矿床的品位矿块模型。在总结矿床地质特征的基础上,从矿化域变异函数拟合参数、矿块模型三维展布及品位分布特征等方面,分析了龙头沟金矿床品位空间分布规律。结果表明:龙头沟金矿床低品位矿基本连续,而高品位矿连续性差;高品位工业矿体在深部倾向延伸方向的连续性好于走向方向。矿化带在55线以东走向延伸和深部倾向延伸均未封闭,且临近EW向与NW向构造交会部位,具有较好的找矿前景,可作为下一步工作靶区。
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