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分形理论在豫西龙门店银矿深部预测中的应用 预览

The Fractal Theory in Metallogenic Prediction at Depth of Longmendian Silver Deposit, Western Henan Province
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摘要 利用分形理论对龙门店银矿K6矿体银品位分形结构特征进行研究,矿体银品位分形结构特征显示,矿体六个中段银品位的分维值D自上而下表现出大→小→大→小→大→小的变化特点,每个中段对应的银平均品位则表现出小→大→小→大→小→大的变化规律,分形理论得出的结果与实际银品位变化趋势一致,推测K6矿体深部成矿前景良好,可能存在富矿体。验证钻孔ZK6-01中见矿一层,矿体厚约0.50m,说明分形理论在龙门店银矿深部预测中比较适用,对龙门店银矿其它矿体及周边矿床的勘查有重要的借鉴意义。 The fractal structure of silver grade of K6 orebody in Longmendian Silver Mine is studied by using fractal theory, the fractal structure characteristics of silver orebody grade indicate that The fractal dimension value D of silver grade in six middle sections of the orebody shows the characteristics of large→small→large→small→ large→small from top to bottom. The average silver grade corresponding to each middle section shows the rule of small→large→small→large→ small→large. It is concluded that the results obtained by fractal theory are consistent with the actual trend of silver grade change. It is speculated that the deep mineralization prospects of K6 orebody are good and there may be rich orebodies. A layer of orebody has been observed in verification drilling the thick of orebody is about 0.50m, which shows that the fractal theory is suitable for deep prediction of Longmendian silver deposit and has important reference significance for exploration of other ore bodies and surrounding deposits in Longmendian silver deposit.
作者 张凯涛 苏阳艳 郭跃闪 周芊孜 ZHANG Kaitao;SU Yangyan;GUO Yueshan;ZHOU Qianzi(No.2 Institute of Geological & Mineral Resources Survey of Henan, Zhengzhou 450000, China;No.3 Institute of Geological & Mineral Resources Survey of Henan, Zhengzhou 450000, China)
出处 《四川有色金属》 2019年第1期11-14,共4页 Sichuan Nonferrous Metals
基金 中国地质调查局科研项目(编号12120114035401)。
关键词 分形理论 深部预测 龙门店银矿 豫西 fractal theory deep orebody prediction Longmendian silver deposit Western Henan Province
作者简介 张凯涛(1990-),男,工程师。主要从事固体矿产勘查工作。
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