全方位激电测井在金矿普查中的应用——以山东省莱州市招贤地区为例

doi:10.13686/j.cnki.dzyzy.2021.01.011

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摘要与地面激发极化法相比，井中激电测井方法测量电极更接近矿体，因而具有更高的信噪比，勘探精度更高，在金属矿普查和勘探中应用广泛.通过该方法在山东省莱州市招贤地区金矿普查中的应用实例，研究讨论了其在金矿普查中的实际效果.结果表明，金矿、多金属矿富集岩段表现为低电阻率高极化率，异常特征明显.该方法可以判断矿体展布规律及分布状态，指导矿化体钻探追索方向，具有明显的地质效果.

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	时彦芳
	朱钊锐
	李波

关键词 ：金矿普查, 隐伏矿体, 激发极化法测井, 地-井方位测井, 山东省

Abstract：Compared with the ground induced polarization (IP) method, the well IP logging is much closer to orebody, and thus it has higher signal-to-noise ratio and exploration precision, which is widely used in the survey and exploration of metal minerals. Based on the application of the method in the prospecting of gold deposits in Zhaoxian area of Laizhou City, Shandong Province, the paper discusses the practical effects of IP logging in gold deposit exploration. The results show that the rocks with enriched gold and polymetallic ores are characterized by low resistivity, high polarizability, and distinct anomaly. The method can judge the distribution rule and state of orebody, and guide the drilling direction of mineralized body, with obvious geological effects.

Key words： gold deposit exploration concealed orebody IP logging ground-well logging Shandong Province

收稿日期: 2020-04-02

PACS:

P631.8

基金资助:山东省地质勘查项目“山东省1：5万区域水文地质调查（新泰幅、新汶幅）”（鲁勘字［2018］44号）．

作者简介: 时彦芳(1983-),男,硕士,高级工程师,主要从事物探勘技术与工程工作,通信地址山东省济南市经十路13632号,E-mail//272151912@qq.com

引用本文:

时彦芳, 朱钊锐, 李波. 全方位激电测井在金矿普查中的应用——以山东省莱州市招贤地区为例[J]. 地质与资源, 2021, 30(1): 85-91,74.
SHI Yan-fang, ZHU Zhao-rui, LI Bo. APPLICATION OF OMNIDIRECTIONAL INDUCED POLARIZATION LOGGING IN PROSPECTING OF GOLD DEPOSITS: A Case Study of Zhaoxian Area in Shandong Province. GEOLOGY AND RESOURCES, 2021, 30(1): 85-91,74.

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http://manu25.magtech.com.cn/Jweb_dzyzy/CN/10.13686/j.cnki.dzyzy.2021.01.011 或 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/Y2021/V30/I1/85

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