胶东三山岛西岭金矿区NW向断裂带的确定:综合物探证据
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摘要
三山岛西岭金矿区位于渤海之滨,与北部海域金矿区相互连接,形成金资源量近千吨的巨型金矿床,矿床为地下与海底开采。区域内断裂发育,分布有NE而NW征,采用高精度磁测法和音频大地电磁(AMT)法在矿区东部进行了勘查试验,根据显示的磁性异常与电性异常,在平面上解译了NW向断裂(F-1、F-2)与NE L2剖面上解译了3条断裂。综合判断解译信息,NW部海域NW致,吻合较好,推断西岭矿区NW向F-2断裂被F-3断裂错断。研究结果说明综合物探方法在该区域可行有效,为下一步钻孔验证NW物理依据。
The Xiling gold deposit of Sanshandao is located in the coast of Bohai sea.It connected with the north sea area gold deposit and they explore a huge gold deposit of nearly 1 000 t of gold resources.The deposit need to be mined underground and undersea.The faults in the region are well developed and distributed in NE and NW directions. The NE-trending faults are ore-controlling structures. The NW-trending faults in the region have different degrees of water conductivity,it has a great impact on the safe mining of the deposit,so it is very important to ascertain the spatial distribution of the NW trending faults. In view of geological conditions and geophysical characteristics of the area,the exploration test in the east of mining area by using high precision magnetic method and audio magnetotelluric(AMT)method to conducted.According to the magnetic anomalies and electrical anomalies,the NW-trending faults F-1,F-2 and NE-trending faults F-3 and F-4 were interpreted in plane,four faults were interpreted in L1 section and three faults were interpreted in L2 section.Comprehensive judgment interpretation information shows that the NW-trending F-1 fault responds well both in plane and profile.Comparing with the NW trending structure research data in the north sea area,the results show that F-1 fault of Xiling gold deposit was agree well with B-F4 fault of north sea features. It is inferred that the NWtrending F-2 fault in Xiling mining area is broken by the F-3 fault. The study shows that the comprehensive geophysical prospecting method in the area is feasible and effective. It provide a geophysical evidence for verifying the existence of the new fault structure and judging the water-rich and water-conducting properties of the fault for the next drilling,also provided the basis for future development and utilization of mineral deposits.
The Xiling gold deposit of Sanshandao is located in the coast of Bohai sea.It connected with the north sea area gold deposit and they explore a huge gold deposit of nearly 1 000 t of gold resources.The deposit need to be mined underground and undersea.The faults in the region are well developed and distributed in NE and NW directions. The NE-trending faults are ore-controlling structures. The NW-trending faults in the region have different degrees of water conductivity,it has a great impact on the safe mining of the deposit,so it is very important to ascertain the spatial distribution of the NW trending faults. In view of geological conditions and geophysical characteristics of the area,the exploration test in the east of mining area by using high precision magnetic method and audio magnetotelluric(AMT)method to conducted.According to the magnetic anomalies and electrical anomalies,the NW-trending faults F-1,F-2 and NE-trending faults F-3 and F-4 were interpreted in plane,four faults were interpreted in L1 section and three faults were interpreted in L2 section.Comprehensive judgment interpretation information shows that the NW-trending F-1 fault responds well both in plane and profile.Comparing with the NW trending structure research data in the north sea area,the results show that F-1 fault of Xiling gold deposit was agree well with B-F4 fault of north sea features. It is inferred that the NWtrending F-2 fault in Xiling mining area is broken by the F-3 fault. The study shows that the comprehensive geophysical prospecting method in the area is feasible and effective. It provide a geophysical evidence for verifying the existence of the new fault structure and judging the water-rich and water-conducting properties of the fault for the next drilling,also provided the basis for future development and utilization of mineral deposits.
引文
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[11]张吉涛,马健,潘广山,等.高精度磁测在区域矿产调查中的应用——以1∶5万平里店、道头幅为例[J].山东国土资源,2016,32(7):65-70.Zhang Jitao,Ma Jian,Pan Guangshan,et al.Application of high precision magnetic survey in regional mineral survey——Taking Pinglidian and Daotou map sheet with the scale of 1∶50 000 as an example[J].Shandong Land and Resources,2016,32(7):65-70.
[12]林善华.磁异常数据处理与推断解释方法探讨[J].福建地质,2011,30(4):362-366.Lin Shanhua.Discussion on the data processing of magnetic anomaly and inferring methods[J].Geology of Fujian,2011,30(4):362-366.
[13]王富群,刘国栋.根河高磁资料在划分岩性与断裂构造中的应用分析[J].中州煤炭,2013(5):29-31.Wang Fuqun,Liu Guodong.Application analysis on highprecision magnetic survey data of Genhe City in lithofacies identification and fracture structure division[J].Zhongzhou Coal,2013(5):29-31.
[14]曹春国,黄文院.综合物探方法在深部找矿工作中的应用[J].山东国土资源,2010,26(4):16-19.Cao Chunguo,Huang Wenyuan.Application of integrated geophysical prospecting method in deep prospecting work[J].Shandong Land and Resources,2010,26(4):16-19.
[15]郑振云,轩慎英,郑洁,等.可控源音频大地电磁测深法在甘肃寨上金矿区的找矿应用研究[J].黄金科学技术,2017,25(2):7-13.Zheng Zhenyun,Xuan Shenying,Zheng Jie,et al.Application of controlled source audio magnetotelluric sounding method in prospecting of Zhaishang gold mine,Gansu Province[J].Gold Science and Technology,2017,25(2):7-13.
[16]张建奎.可控源音频大地电磁测深在寻找隐伏矿体中的应用[J].甘肃地质,2006,15(2):65-67.Zhang Jiankui.The application of controllable source audio frequency magneto telluric sounding to search hidden ore[J].Gansu Geology,2006,15(2):65-67.
[17]喻春,陈永凌,李建忠,等.可控源音频大地电磁法在高楼山金矿深部找矿中的应用[J].黄金科学技术,2016,24(1):59-63.Yu Chun,Chen Yongling,Li Jianzhong,et al.Application of CSAMT to deep mine prospecting in the Gaoloushan gold mine[J].Gold Science and Technology,2016,24(1):59-63.
[18]董晴晴,冯欣欣.AMT方法在深部断裂构造识别中的应用——以南吕-欣木金矿区为例[J].山东国土资源,2015,32(10):48-51.Dong Qingqing,Feng Xinxin.Application of AMT technology in identifying deep fault structures-Setting Nanlü-Xinmu gold mine as an example[J].Shandong Land and Resources,2015,32(10):48-51.
[19]杨炳南,周琦,杜远生,等.音频大地电磁法对深部隐伏构造的识别与应用:以贵州省松桃县李家湾锰矿为例[J].地质科技情报,2015,34(6):26-32.Yang Bingnan,Zhou Qi,Du Yuansheng,et al.Identification and application of audio magnetotellurics to the deep buried structure:A case study of Lijiawan manganese deposit at Songtao County in Guizhou Province[J].Geological Science and Technology Information,2015,34(6):26-32.
[20]张军进,丁正江,刘殿浩,等.山东省莱州市三山岛北部海域矿区金矿勘探报告[R].烟台:山东省第三地质矿产勘查院,2016.Zhang Junjin,Ding Zhengjiang,Liu Dianhao,et al.Prospecting report of gold mine in the northern sea area of Sanshandao in Laizhou,Shandong[R].Yantai:No.3 Institute of Geology and Mineral Resources of Shandong Province,2016.
[2]陈兵宇,刘亚军,武志明,等.三山岛金矿导水断裂带的危害及防治方法[J].现代矿业,2013(10):139-141.Chen Bingyu,Liu Yajun,Wu Zhiming,et al.Harm and prevention method of water conducting fracture zone in Sanshandao gold deposit[J].Modern Mining,2013(10):139-141.
[3]丁德民,马凤山,王成,等.海底矿体开挖下的断裂带突水效应研究[J].中国地质灾害与防治学报,2010,21(1):75-80.Ding Demin,Ma Fengshan,Wang Cheng,et al.Research on activating effects of fault zone induced by mining subsea orebody[J].The Chinese Journal of Geological Hazard and Control,2010,21(1):75-80.
[4]刘殿浩,吕古贤,张丕建,等.胶东三山岛断裂构造蚀变岩三维控矿规律研究与海域超大型金矿的发型[J].地学前缘,2015,22(4):162-172.Liu Dianhao,LüGuxian,Zhang Pijian,et al.A study of3D ore-controlling of the tectonic altered rocks of the Sanshandao fault in Jiaodong Peninsular and the discovery of an offshore super large gold deposit in China[J].Earth Science Frontiers,2015,22(4):162-172.
[5]张军进,丁正江,刘殿浩,等.山东莱州三山岛北部海域超大型金矿勘查实践与找矿成果[J].黄金科学技术,2016,24(1):1-10.Zhang Junjin,Ding Zhengjiang,Liu Dianhao,et al.Exploration practice and prospecting results of super-large gold mine of Sanshandao northern sea area in Laizhou City,Shandong Province[J].Gold Science and Technology,2016,24(1):1-10.
[6]曹春国,于义文,郭国强,等.综合物探技术在三山岛断裂带与焦家断裂带深部成矿模式中的应用[J].山东国土资源,2012,28(4):19-24.Cao Chunguo,Yu Yiwen,Guo Guoqiang,et al.Analysis on ore-forming model in deep part of Jiaojia gold deposit in Sanshandao by using integrated geophysical exploration method[J].Shandong Land and Resources,2012,28(4):19-24.
[7]王元魁,王振军,刘福江.物探新技术在三山岛金矿探水中的应用[J].黄金科学技术,2013,21(1):58-61.Wang Yuankui,Wang Zhenjun,Liu Fujiang.Application of new geophysical exploration technology on water in Sanshandao gold mine[J].Gold Science and Technology,2013,21(1):58-61.
[8]赵海军,马凤山,李国庆,等.新立海底金矿水文地质特征及水文地质结构分析[J].水文地质工程地质,2009,36(4):41-45.Zhao Haijun,Ma Fengshan,Li Guoqing,et al.Analyses of hydrogeologic feature and structure in the Xinli seabed gold mine[J].Hydrogeology and Engineering Geology,2009,36(4):41-45.
[9]高松,张军进,孙珊珊,等.三山岛北部海域金矿区水文地质特征分析[J].黄金科学技术,2016,24(1):11-16.Gao Song,Zhang Junjin,Sun Shanshan,et al.Hydrogeological characteristics of gold deposit in north sea area of Sanshandao[J].Gold Science and Technology,2016,24(1):11-16.
[10]张军进,邹键,丁正江,等.山东省莱州市三山岛北部海域矿区金矿勘探报告[R].莱州:山东第三地质矿产勘查院,2016.Zhang Junjin,Zou Jian,Ding Zhengjiang,et al.Prospecting report of gold deposits in the northern area of Sanshandao in Laizhou,Shandong[R].Laizhou:No.3 Institute of Geology and Mineral Resources of Shandong Province,2016.
[11]张吉涛,马健,潘广山,等.高精度磁测在区域矿产调查中的应用——以1∶5万平里店、道头幅为例[J].山东国土资源,2016,32(7):65-70.Zhang Jitao,Ma Jian,Pan Guangshan,et al.Application of high precision magnetic survey in regional mineral survey——Taking Pinglidian and Daotou map sheet with the scale of 1∶50 000 as an example[J].Shandong Land and Resources,2016,32(7):65-70.
[12]林善华.磁异常数据处理与推断解释方法探讨[J].福建地质,2011,30(4):362-366.Lin Shanhua.Discussion on the data processing of magnetic anomaly and inferring methods[J].Geology of Fujian,2011,30(4):362-366.
[13]王富群,刘国栋.根河高磁资料在划分岩性与断裂构造中的应用分析[J].中州煤炭,2013(5):29-31.Wang Fuqun,Liu Guodong.Application analysis on highprecision magnetic survey data of Genhe City in lithofacies identification and fracture structure division[J].Zhongzhou Coal,2013(5):29-31.
[14]曹春国,黄文院.综合物探方法在深部找矿工作中的应用[J].山东国土资源,2010,26(4):16-19.Cao Chunguo,Huang Wenyuan.Application of integrated geophysical prospecting method in deep prospecting work[J].Shandong Land and Resources,2010,26(4):16-19.
[15]郑振云,轩慎英,郑洁,等.可控源音频大地电磁测深法在甘肃寨上金矿区的找矿应用研究[J].黄金科学技术,2017,25(2):7-13.Zheng Zhenyun,Xuan Shenying,Zheng Jie,et al.Application of controlled source audio magnetotelluric sounding method in prospecting of Zhaishang gold mine,Gansu Province[J].Gold Science and Technology,2017,25(2):7-13.
[16]张建奎.可控源音频大地电磁测深在寻找隐伏矿体中的应用[J].甘肃地质,2006,15(2):65-67.Zhang Jiankui.The application of controllable source audio frequency magneto telluric sounding to search hidden ore[J].Gansu Geology,2006,15(2):65-67.
[17]喻春,陈永凌,李建忠,等.可控源音频大地电磁法在高楼山金矿深部找矿中的应用[J].黄金科学技术,2016,24(1):59-63.Yu Chun,Chen Yongling,Li Jianzhong,et al.Application of CSAMT to deep mine prospecting in the Gaoloushan gold mine[J].Gold Science and Technology,2016,24(1):59-63.
[18]董晴晴,冯欣欣.AMT方法在深部断裂构造识别中的应用——以南吕-欣木金矿区为例[J].山东国土资源,2015,32(10):48-51.Dong Qingqing,Feng Xinxin.Application of AMT technology in identifying deep fault structures-Setting Nanlü-Xinmu gold mine as an example[J].Shandong Land and Resources,2015,32(10):48-51.
[19]杨炳南,周琦,杜远生,等.音频大地电磁法对深部隐伏构造的识别与应用:以贵州省松桃县李家湾锰矿为例[J].地质科技情报,2015,34(6):26-32.Yang Bingnan,Zhou Qi,Du Yuansheng,et al.Identification and application of audio magnetotellurics to the deep buried structure:A case study of Lijiawan manganese deposit at Songtao County in Guizhou Province[J].Geological Science and Technology Information,2015,34(6):26-32.
[20]张军进,丁正江,刘殿浩,等.山东省莱州市三山岛北部海域矿区金矿勘探报告[R].烟台:山东省第三地质矿产勘查院,2016.Zhang Junjin,Ding Zhengjiang,Liu Dianhao,et al.Prospecting report of gold mine in the northern sea area of Sanshandao in Laizhou,Shandong[R].Yantai:No.3 Institute of Geology and Mineral Resources of Shandong Province,2016.