可控源音频大地电磁法(CSAMT)在安庆铜矿乌珠尖探区深部找矿中的应用
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摘要
利用可控源音频大地电磁法(CSAMT)资料与构造解析相结合的方法,确定月山—黄土山背斜的构造形态,并绘制闪长岩岩体和月山组地层顶面等高线图。通过对比分析乌珠尖探区与邻区的CSAMT剖面特征,对乌珠尖勘探区的CSAMT剖面进行重新解释,提出该区有利的勘探部位。研究表明:1月山地区CSAMT剖面低阻带内没有矿体,高阻背景下的"V"型低阻异常带和陡降带是有利的成矿部位;2乌珠尖西南部是有利的勘探区块,并在该区预测了2个有利勘探钻孔;3乌珠尖探区与朱冲矿区位于月山—黄土山背斜倾伏端的两翼,在构造部位和成矿条件上具有相似性,是成矿的有利构造部位。
With the combined application of CASMT data and tectonic analysis,the tectonic features of Yueshan-Huangtushan anticline were ascertained. And the superface contour maps of the diorite rock masses and the Yueshan strata were drawn. Besides,the CSAMT profile of Wuzhujian exploration area was redefined by comparative analysis of CSAMT profile characteristics of the Wuzhujian exploration area with its neighboring areas. In the end,advantageous exploration sites of the areas were made clear. The results show that 1there were no ore bodies within the low-resistance belts of the CSAMT profile of Yueshan area; and the V-shaped low-resistance belts of high-resistance zones and the sharp-drop belts were the favorable metallogenic places; 2the southwest areas of Wuzhujian were the favorable exploration blocks and two favorable prospecting holes were predicated in these areas.3lying in the wings of the Yueshan-Huangtushan anticline pitch ends,respectively,the Wuzhujian exploration area and Zhuchong mining areas resembled each other in tectonic position and metallogenic condition,and they are favorable tectonic positions for mineralization.
With the combined application of CASMT data and tectonic analysis,the tectonic features of Yueshan-Huangtushan anticline were ascertained. And the superface contour maps of the diorite rock masses and the Yueshan strata were drawn. Besides,the CSAMT profile of Wuzhujian exploration area was redefined by comparative analysis of CSAMT profile characteristics of the Wuzhujian exploration area with its neighboring areas. In the end,advantageous exploration sites of the areas were made clear. The results show that 1there were no ore bodies within the low-resistance belts of the CSAMT profile of Yueshan area; and the V-shaped low-resistance belts of high-resistance zones and the sharp-drop belts were the favorable metallogenic places; 2the southwest areas of Wuzhujian were the favorable exploration blocks and two favorable prospecting holes were predicated in these areas.3lying in the wings of the Yueshan-Huangtushan anticline pitch ends,respectively,the Wuzhujian exploration area and Zhuchong mining areas resembled each other in tectonic position and metallogenic condition,and they are favorable tectonic positions for mineralization.
引文
[1]范良伍,张乾,温汉捷.安庆铜矿磁铁矿成矿机理探讨[J].矿物学报,2008,28(4):476-482.FAN Liang-wu,ZHANG Qian,WEN Han-jie.Discussion on the genesis of magnetite in the Anqing Cu-Fe ore deposit[J].Acta Mieralogica Sinica,2008,28(4):476-482.
[2]刘忠法,邵拥军,疏志明,等.安徽月山岩体成岩机制[J].中国有色金属学报,2012,22(3):652-659.LIU Zhong-fa,SHAO Yong-jun,SHU Zhi-ming,et al.Rock-forming mechanism of Yueshan intrusion,Tongling,Anhui Province,China[J].The Chinese Journal of Nonferrous Metals,2012,22(3):652-659.
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[6]周涛发,岳书仓,袁锋,等.安徽岳山岩体地球化学特征及成因机理分析[J].高校地质学报,2001,7(1):70-80.ZHOU Tao-fa,YUE Shu-cang,YUAN Feng,et al.A discussion on petrological characteristics and genesis of Yueshan intrusion,Anhui Province[J].Geological Journal of China Universities,2001,7(1):70-80.
[7]束学福.安庆矽卡岩型铁铜矿床地质地球化学特征及铁质来源研究[J].矿物岩石地球化学通报,2004,23(3):219-224.SHU Xue-fu.Geology and geochemistry characteristics of Anqing skarn-type Fe-Cu deposit and its origin of iron materials[J].Bulletin of Mineralogy Petrology and Geochemistry,2004,23(3):219-224.
[8]杨光树,温汉捷,胡瑞忠,等.安徽月山岩体地球化学特征及成因[J].矿物学报,2007,27(3/4):406-413.YANG Guang-shu,WEN Han-jie,HU Rui-zhong,et al.Petro-geochemical characteristics and genesis of Yueshan intrusion,Anhui Province[J].Acta Mieralogica Sinica,2007,27(3/4):406-413.
[9]张智宇,杜杨松,向文帅,等.安徽安庆铜铁矿床成因:矿床地质特征与元素地球化学约束[J].岩石学报,2012,28(11):3739-3756.ZHANG Zhi-yu,DU Yang-song,XIANG Wen-shuai,et al.Genesis of Anqing copper-iron deposit,Anhui Province:constraints from mineral deposit geology and element geochemistry[J].Acta Petrologica Sinica,2012,28(11):3739-3756.
[10]陈江峰,李学明,周泰禧,等.安徽月山岩体的40Ar/39Ar年龄及其有关的成矿时代估计[J].现代地质,1991,5(1):91-99.CHEN Jiang-feng,LI Xue-ming,ZHOU Tai-xi,et al.40Ar/39Ar Dating for the Yueshan diorite,Anhui province and the estimated formation time of the associated ore deposit[J].Geoscience,1991,5(1):91-99.
[11]张乐骏,周涛发,范裕,等.安徽月山岩体的锆石SHRIMP U-Pb定年及其意义[J].岩石学报,2008,24(8):1725-1732.ZHANG Yue-jun,ZHOU Tao-fa,FAN Yu,et al.SHRIMP U-Pb zircon dating of Yueshan intrusion in the Yueshan ore field,Anhui,and its significance[J].Acta Petrologica Sinica,2008,24(8):1725-1732.
[12]Zhou T F,Yue F,Yue S C,et al.Geochemistry and evolution of ore-forming fluids of the Yueshan Cu-Au skarn-and vein-type deposits,Anhui Province,South China[J].Ore Geology Reviews,2007,31:279-303.
[13]杨光树,温汉捷,胡瑞忠,等.安庆夕卡岩型铁铜矿床流体包裹体研究[J].地球化学,2008,27(1):27-36.YANG Guang-shu,WEN Han-jie,HU Rui-zhong,et al.Fluid inclusions of Anqing skarn-type Fe-Cu deposit,Anhui Province[J].Geochemica,2008,27(1):27-36.
[14]董玉翠,张智宇,杜杨松,等.安徽安庆铜铁矿床成矿流体演化特征及其成矿意义[J].高校地质学报,2013,19(2):245-258.DONG Yu-cui,ZHANG Zhi-yu,DU Yang-song,et al.Evolution of ore-forming fluids in the Anqing copper-iron deposit,Anhui Province,and its ore-forming implications[J].Geological Journal of China Universities,2013,19(2):245-258.
[15]程长根,李勇,张凯,等.在月山岩体利用大地音频电磁测深(CSAMT)法寻找深部隐伏矿体的初步研究[J].安徽地质,2011,21(1):52-59.CHENG Chang-gen,LI Yong,ZHANG Kai,et al.A preliminary study on prospecting deep-seated hidden ore body in the Yueshan intrusion using CSAMT[J].Geology of Anhui,2011,21(1):52-59.
[16]王大勇,李桐林,高远,等.CSAMT法和TEM法在铜陵龙虎山地区隐伏矿勘探中的应用[J].吉林大学学报:地球科学版,2009,39(6):1134-1140.WANG Da-yong,LI Tong-lin,GAO Yuan,et al.The application of CSAMT and TEM to exploration buried deposits in Longhu Mountain area at Tongling,Anhui Province[J].Journal of Jilin University:Earth Science Edition,2009,39(6):1134-1140.
[17]杨乃峰,何英杰,杨李汀.CSAMT法在翠宏山铁多金属矿床深部找矿中的应用[J].世界地质2014,33(4):880-888.YANG Nai-feng,HE Ying-jie,YANG Li-ting.Application of CSAMT method in deep prospecting of Cuihongshan Fe polymetallic deposit[J].Global Geology,2014,33(4):880-888.
[18]于泽新,敖颖锋,吕景增,等.CSAMT法在辽西康杖子区深部探矿中的应用[J].地质与勘探,2009,45(9):600-605.YU Ze-xin,AO Ying-feng,L Jing-zeng,et al.The application of CSAMT in prospecting in depth in Kangzhangzi deposit in western Liaoning Province[J].Geology and Exploration,2009,45(9):600-605.
[19]高勇浩,刘建利,高阳,等.CSAMT法在深部找矿中的应用[J].西北地质,2010,43(2):135-142.GAO Yong-hao,LIU Jian-li,GAO Yang,et al.Application of controlled source audio-magnetotelluric method in looking for hidden and deep mines[J].Northwestern Geology,2010,43(2):135-142.
[20]柳建新,郭荣文,韩世礼,等.CSAM T法在西北深部探矿中的应用研究[J].矿产与地质,2008,22(6):261-264.LIU Jian-xin,GUO Rong-wen,HAN Shi-li,et al.Application of controllable source acoustic-frequency magnetotelluric method(CSAMT)to prospecting in deep part of Northwest China[J].Mineral Resources and Geology,2008,22(6):261-264.
[21]张国鸿,李仁和.可控源音频大地电磁法深部找矿实验效果[J].物探与化探,2010 34(1):66-70.ZHANG Guo-hong,LI Ren-he.THE Test result of the controlled source audio-frequency magnetotelluric method in the prospecting for deep ore deposits[J].Geophysical&Geochemical Exploration,2010 34(1):66-70.
[22]周涛发,岳仓书.安徽月山地区成岩-成矿作用关系研究[J].火山地质与矿产,1995,16(2):55-66.ZHOU Tao-fa,YUE Cang-shu.Studies on relationships between petrogenesis and copper mineralization in Yueshan district,Anhui Province[J].Volcanology and Mineral Resources,1995,16(2):55-66.
[23]姚国涛.安徽安庆月山铜铁矿矿田构造研究:硕士学位论文[D].北京:中国地质大学,2011.YAO Guo-tao.The study on ore-field structures of Anqing Yueshan copper-iron deposits,Anhui Province:master’s degree thesis[D].Beijing:China University of Geosciences,2011.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
[2]刘忠法,邵拥军,疏志明,等.安徽月山岩体成岩机制[J].中国有色金属学报,2012,22(3):652-659.LIU Zhong-fa,SHAO Yong-jun,SHU Zhi-ming,et al.Rock-forming mechanism of Yueshan intrusion,Tongling,Anhui Province,China[J].The Chinese Journal of Nonferrous Metals,2012,22(3):652-659.
[3]陈兴霖,邵拥军,刘忠法,等.安徽安庆铜矿床成矿地质条件及成因分析[J].中南大学学报:自然科学版,2013,44(2):626-631.CHEN Xing-lin,SHAO Yong-jun,LIU Zhong-fa,et al.Geological ore-forming conditions and analysis of genesis of Anqing copper deposit,Anhui Province[J].Journal of Central South University:Edition of Natural Science,2013,44(2):626-631.
[4]周涛发,岳书仓,蓝天佑.安徽安庆铜矿床硫同位素地球化学[J].地球科学,1995,20(6):705-711.ZHOU Tao-fa,YUE Shu-cang,LAN Tian-you.Sulfur isotope geochemistry of the Anqing copper deposit[J].Earth Science,1995,20(6):705-711.
[5]杨学明,杨晓勇,王奎仁,等.安庆月山铜钼矿床金的赋存状态与分布规律研究[J].高校地质学报,1999,5(1):33-43.YANG Xue-ming,YANG Xiao-yong,WANG Kui-ren,et al.Study on the residence state and distribution regularities of gold in Yueshan Cu-Mo deposit,Anqing,western Anhui Province[J].Geological Journal of China Universities,1999,5(1):33-43.
[6]周涛发,岳书仓,袁锋,等.安徽岳山岩体地球化学特征及成因机理分析[J].高校地质学报,2001,7(1):70-80.ZHOU Tao-fa,YUE Shu-cang,YUAN Feng,et al.A discussion on petrological characteristics and genesis of Yueshan intrusion,Anhui Province[J].Geological Journal of China Universities,2001,7(1):70-80.
[7]束学福.安庆矽卡岩型铁铜矿床地质地球化学特征及铁质来源研究[J].矿物岩石地球化学通报,2004,23(3):219-224.SHU Xue-fu.Geology and geochemistry characteristics of Anqing skarn-type Fe-Cu deposit and its origin of iron materials[J].Bulletin of Mineralogy Petrology and Geochemistry,2004,23(3):219-224.
[8]杨光树,温汉捷,胡瑞忠,等.安徽月山岩体地球化学特征及成因[J].矿物学报,2007,27(3/4):406-413.YANG Guang-shu,WEN Han-jie,HU Rui-zhong,et al.Petro-geochemical characteristics and genesis of Yueshan intrusion,Anhui Province[J].Acta Mieralogica Sinica,2007,27(3/4):406-413.
[9]张智宇,杜杨松,向文帅,等.安徽安庆铜铁矿床成因:矿床地质特征与元素地球化学约束[J].岩石学报,2012,28(11):3739-3756.ZHANG Zhi-yu,DU Yang-song,XIANG Wen-shuai,et al.Genesis of Anqing copper-iron deposit,Anhui Province:constraints from mineral deposit geology and element geochemistry[J].Acta Petrologica Sinica,2012,28(11):3739-3756.
[10]陈江峰,李学明,周泰禧,等.安徽月山岩体的40Ar/39Ar年龄及其有关的成矿时代估计[J].现代地质,1991,5(1):91-99.CHEN Jiang-feng,LI Xue-ming,ZHOU Tai-xi,et al.40Ar/39Ar Dating for the Yueshan diorite,Anhui province and the estimated formation time of the associated ore deposit[J].Geoscience,1991,5(1):91-99.
[11]张乐骏,周涛发,范裕,等.安徽月山岩体的锆石SHRIMP U-Pb定年及其意义[J].岩石学报,2008,24(8):1725-1732.ZHANG Yue-jun,ZHOU Tao-fa,FAN Yu,et al.SHRIMP U-Pb zircon dating of Yueshan intrusion in the Yueshan ore field,Anhui,and its significance[J].Acta Petrologica Sinica,2008,24(8):1725-1732.
[12]Zhou T F,Yue F,Yue S C,et al.Geochemistry and evolution of ore-forming fluids of the Yueshan Cu-Au skarn-and vein-type deposits,Anhui Province,South China[J].Ore Geology Reviews,2007,31:279-303.
[13]杨光树,温汉捷,胡瑞忠,等.安庆夕卡岩型铁铜矿床流体包裹体研究[J].地球化学,2008,27(1):27-36.YANG Guang-shu,WEN Han-jie,HU Rui-zhong,et al.Fluid inclusions of Anqing skarn-type Fe-Cu deposit,Anhui Province[J].Geochemica,2008,27(1):27-36.
[14]董玉翠,张智宇,杜杨松,等.安徽安庆铜铁矿床成矿流体演化特征及其成矿意义[J].高校地质学报,2013,19(2):245-258.DONG Yu-cui,ZHANG Zhi-yu,DU Yang-song,et al.Evolution of ore-forming fluids in the Anqing copper-iron deposit,Anhui Province,and its ore-forming implications[J].Geological Journal of China Universities,2013,19(2):245-258.
[15]程长根,李勇,张凯,等.在月山岩体利用大地音频电磁测深(CSAMT)法寻找深部隐伏矿体的初步研究[J].安徽地质,2011,21(1):52-59.CHENG Chang-gen,LI Yong,ZHANG Kai,et al.A preliminary study on prospecting deep-seated hidden ore body in the Yueshan intrusion using CSAMT[J].Geology of Anhui,2011,21(1):52-59.
[16]王大勇,李桐林,高远,等.CSAMT法和TEM法在铜陵龙虎山地区隐伏矿勘探中的应用[J].吉林大学学报:地球科学版,2009,39(6):1134-1140.WANG Da-yong,LI Tong-lin,GAO Yuan,et al.The application of CSAMT and TEM to exploration buried deposits in Longhu Mountain area at Tongling,Anhui Province[J].Journal of Jilin University:Earth Science Edition,2009,39(6):1134-1140.
[17]杨乃峰,何英杰,杨李汀.CSAMT法在翠宏山铁多金属矿床深部找矿中的应用[J].世界地质2014,33(4):880-888.YANG Nai-feng,HE Ying-jie,YANG Li-ting.Application of CSAMT method in deep prospecting of Cuihongshan Fe polymetallic deposit[J].Global Geology,2014,33(4):880-888.
[18]于泽新,敖颖锋,吕景增,等.CSAMT法在辽西康杖子区深部探矿中的应用[J].地质与勘探,2009,45(9):600-605.YU Ze-xin,AO Ying-feng,L Jing-zeng,et al.The application of CSAMT in prospecting in depth in Kangzhangzi deposit in western Liaoning Province[J].Geology and Exploration,2009,45(9):600-605.
[19]高勇浩,刘建利,高阳,等.CSAMT法在深部找矿中的应用[J].西北地质,2010,43(2):135-142.GAO Yong-hao,LIU Jian-li,GAO Yang,et al.Application of controlled source audio-magnetotelluric method in looking for hidden and deep mines[J].Northwestern Geology,2010,43(2):135-142.
[20]柳建新,郭荣文,韩世礼,等.CSAM T法在西北深部探矿中的应用研究[J].矿产与地质,2008,22(6):261-264.LIU Jian-xin,GUO Rong-wen,HAN Shi-li,et al.Application of controllable source acoustic-frequency magnetotelluric method(CSAMT)to prospecting in deep part of Northwest China[J].Mineral Resources and Geology,2008,22(6):261-264.
[21]张国鸿,李仁和.可控源音频大地电磁法深部找矿实验效果[J].物探与化探,2010 34(1):66-70.ZHANG Guo-hong,LI Ren-he.THE Test result of the controlled source audio-frequency magnetotelluric method in the prospecting for deep ore deposits[J].Geophysical&Geochemical Exploration,2010 34(1):66-70.
[22]周涛发,岳仓书.安徽月山地区成岩-成矿作用关系研究[J].火山地质与矿产,1995,16(2):55-66.ZHOU Tao-fa,YUE Cang-shu.Studies on relationships between petrogenesis and copper mineralization in Yueshan district,Anhui Province[J].Volcanology and Mineral Resources,1995,16(2):55-66.
[23]姚国涛.安徽安庆月山铜铁矿矿田构造研究:硕士学位论文[D].北京:中国地质大学,2011.YAO Guo-tao.The study on ore-field structures of Anqing Yueshan copper-iron deposits,Anhui Province:master’s degree thesis[D].Beijing:China University of Geosciences,2011.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.
(1)铜陵市安庆铜矿南部、乌珠尖矿勘察物探成果报告[S].合肥:安徽省勘查技术院,2013.