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胶东大尹格庄金矿床后疃矿区深部矿体定位预测
- 作者：
- 高学坎|席振铢|向胤合|杨斌|刘占坤|邹艳红
- 作者单位：
- 招金矿业股份有限公司|中南大学地球科学与信息物理学院&中南大学有色金属成矿预测与地质环境监测教育部重点实验室|湖南五维地质科技有限公司|中南大学地球科学与信息物理学院&中南大学有色金属成矿预测与地质环境监测教育部重点实验室|中南大学地球科学与信息物理学院&中南大学有色金属成矿预测与地质环境监测教育部重点实验室|中南大学地球科学与信息物理学院&中南大学有色金属成矿预测与地质环境监测教育部重点实验室
基金项目：
- 国家自然科学基金项目（42372346，41872249）
详细信息：
- 作者简介：
- 高学坎（1988—），男，工程师，从事矿山地质工作；E-mail：gaoxuekan1@qq.com
- 通讯作者：
- 向胤合(1991—)，男，工程师，硕士，研究方向为矿产地质勘查；E-mail：429428197@qq.com
- PDF下载
Deep ore body positioning and prediction in Houtuan mining area of Dayingezhuang Gold Deposit in Jiaodong
- English Author：
- Zhaojin Mining Industry Co.,Ltd.|School of Geosciences and Info-physics,Central South University&Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University),Ministry of Education|Hunan 5D Geophyson Co.,Ltd.|School of Geosciences and Info-physics,Central South University&Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University),Ministry of Education|School of Geosciences and Info-physics,Central South University&Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University),Ministry of Education|School of Geosciences and Info-physics,Central South University&Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University),Ministry of Education
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
后疃矿区位于大尹格庄金矿床主矿区外围，属于深边部找矿区段。采用多元信息找矿策略，通过构造地球化学法-伽玛能谱法-多极化电磁测深技术组合，开展后疃矿区深边部成矿预测。完成地表构造地球化学与伽玛能谱测量面积12 km2，结合因子分析，厘定后疃矿区构造地球化学找矿标志为Au-Ag-As-Sb组合异常。同时，采用MPMT-18多极化电磁测深系统，完成了L108测线—L136及L80测线多极化电磁测深和异常反演，确定了后疃矿区深部招平断裂的位置。根据构造地球化学测量、伽玛能谱测量与大地电磁测深的异常特征、分布与关联性，结合钻探工程验证的有利程度，共圈定找矿靶区8处。其中，A-1、B-1、B-3、C-2和C-3找矿靶区经钻探工程验证并见矿。
关键词:
深部矿体；定位预测；多极化电磁测深；构造地球化学法；后疃矿区；大尹格庄金矿床
Abstract:
Houtuan mining area is located on the periphery of the main mining area of Dayingezhuang Gold Deposit in Jiaodong,belonging to a deep and peripheral exploration area.Using a pluralized information exploration strategy,a combination of structure geochemistry-gamma spectroscopy-multi-polarize electromagnetics techniques was used to carry out ore prediction in the deep and peripheral areas of Houtuan mining area.Surface structure geochemistry and gamma spectroscopy measurements covering area 12 km2 were conducted,and through factor analysis,Au-Ag-As-Sb combination anomalies were identified as prospecting indicators in Houtuan mining area.Additionally,using the MPMT-18 multi-polarized magnetotelluric system,multi-polarize electromagnetics and anomaly inversion along Measurement Line L108-L136 and L80 were completed,determining the location of the deep Zhaoping fault in Houtuan mining area.Based on the anomalous features,distribution,and correlation of structural geochemical measurements,gamma spectroscopy measurements,and multi-polarize electromagnetics,combined with the favorable degree verified by drilling projects,a total of 8 exploration targets were identified.Among them,the A-1,B-1,B-3,C-2,and C-3 exploration targets were verified by drilling projects and yielded mineralization.
Keywords:
deep ore body;positioning prediction;multi-polarize electromagnetics;structural geochemical method;Houtuan mining area;Dayingezhuang Gold Deposit