文章摘要
李小强,刘海飞,李望明,陈儒军,柳建新,姚红春,申瑞杰.大极距多通道扩频激电法在矿产勘查中的应用研究[J].矿产勘查,2024,15(9):1624-1633
大极距多通道扩频激电法在矿产勘查中的应用研究
Research on the application of multi-channel spread-spectrum IP method in mineral exploration
投稿时间:2024-06-18  修订日期:2024-07-17
DOI:10.20008/j.kckc.202409007
中文关键词: 锡田矿区  大极距多通道扩频激电法  幅频率  多金属矿体
英文关键词: Xitian mining area  large-pole multi-channel spread-spectrum IP method  amplitude frequency  polymetallic ore bodies
基金项目:本文受国家自然科学基金项目(41774149)、湖南省生态环境厅项目“土壤重金属污染地球物理与化学分析三维监测技术研究”(HBKYXM-2023032)与“三维电阻率成像法在重金属污染场地调查中的应用研究”(2024SKY-003)联合资助。
作者单位邮编
李小强 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
刘海飞* 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
李望明 湖南省生态地质调查监测所湖南 长沙 410119 410119
陈儒军 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
柳建新 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
姚红春 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
申瑞杰 中南大学地球科学与信息物理学院湖南 长沙 410006 410006
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中文摘要:
      湖南锡田矿区成矿背景良好,具有丰富的多金属矿产资源,开展矿产勘查对锡田矿产资源的开发利用具有重要意义。本文在矿区内开展了大极距多通道扩频激电测量,设计了能增大勘探深度和提高野外数据采集效率的大极距多通道观测排列,部署了2条平行的大极距多通道扩频激电法剖面,测线总长度2400 m,获得了地下1200 m深处左右的电阻率剖面和幅频率剖面,结合地质资料推断了3个矿脉。大极距多通道扩频激电法在湖南锡田的多金属矿产勘查中应用效果良好,能反映出钨锡多金属矿体导致的激电异常,为区内深部多金属矿产资源的开发提供了参考和基础,亦为同类矿产勘查工作提供了借鉴。
英文摘要:
      The Xitian mining area in Hunan Province has a good metallogenic background and rich polymetallic mineral resources, and it is of great significance to carry out mineral exploration for the development and utilization of Xitian mineral resources. In this paper, the large-pole multi-channel spread-spectrum IP measurement was carried out in the mining area, the large-pole multi-channel observation arrangement was designed to increase the exploration depth and improve the efficiency of field data collection, and two parallel large-pole multi-channel spread-spectrum IP profiles were deployed, with a total length of 2400 m, and the resistivity profile and amplitude-frequency profile of about 1200 m underground were obtained, and three ore veins were inferred based on geological data. The large-pole multi-channel spread-spectrum IP method has been applied well in the exploration of polymetallic minerals in Xitian, Hunan Province, which can reflect the IP anomaly caused by tungsten-tin polymetallic ore body, which provides a reference and basis for the development of deep polymetallic mineral resources in the area, and also provides a reference for the exploration of similar minerals.
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