青海省鄂拉山地区Pb、Zn、Cu元素地球化学特征及成矿预测
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摘要
在1∶50 000水系沉积物测量的基础上,分析了鄂拉山地区Pb、Zn、Cu元素的地球化学特征。通过对成矿元素的分布特征、相关性及因子分析,认为寻找铅锌铜多金属矿床潜力较大;根据异常特征及成矿地质条件,在早元古代达肯达坂(岩)群、奥陶系滩间山群和石炭系中吾农山群大干沟组背景下,寻找与泥盆—侏罗系岩体相关的铅锌多金属热液型和矽卡岩型矿床潜力较大,进而划分出5个成矿远景区,即沙柳河地区钨铜锌铅多金属成矿远景区、达纳亥公卡铅锌多金属成矿远景区、尕录北铅锌多金属成矿远景区、扎龙加当铅锌银金多金属成矿远景区和尼哈鄂如岗铅锌银钼成矿远景区。
Based on the stream sediment survey at scale 1∶50 000 in Elashan area,the geochemical characteristics of Pb-Zn-Cu elements in this region have been analyzed.After analyzing the distribution characteristics of ore-forming elements and carrying out the correlation and factor analysis,the results show that it hasa potential to prospect the Pb-Zn-Cu polymetallic deposit in this region.According to the abnormal characteristics and the geological conditions of mineralization,it has a great potential to prospect Pb-Zn-Cu polymetallic epithermal and skarn deposits associated with Devonianto Jurassic intermediate-felsic rocks under the geological setting of Proterozoic Dakendaban(rock)Group,Ordovician Tanjianshan Group and Dagangou Formation in Carboniferous Zhongwunongshan Group.And then,five metallogenic prospect areas have been defined,that is,Shaliuhe W-Cu-Pb-Zn polymetallic mineralization prospective area,Danahaigongka and NorthGalu Pb-Zn polymetallic mineralization prospective areas,ZhalongjiadangPb-Zn-Ag-Au polymetallic mineralization prospective area and Nihaerrugang Pb-Zn-Ag-Mo mineralization prospective area.
Based on the stream sediment survey at scale 1∶50 000 in Elashan area,the geochemical characteristics of Pb-Zn-Cu elements in this region have been analyzed.After analyzing the distribution characteristics of ore-forming elements and carrying out the correlation and factor analysis,the results show that it hasa potential to prospect the Pb-Zn-Cu polymetallic deposit in this region.According to the abnormal characteristics and the geological conditions of mineralization,it has a great potential to prospect Pb-Zn-Cu polymetallic epithermal and skarn deposits associated with Devonianto Jurassic intermediate-felsic rocks under the geological setting of Proterozoic Dakendaban(rock)Group,Ordovician Tanjianshan Group and Dagangou Formation in Carboniferous Zhongwunongshan Group.And then,five metallogenic prospect areas have been defined,that is,Shaliuhe W-Cu-Pb-Zn polymetallic mineralization prospective area,Danahaigongka and NorthGalu Pb-Zn polymetallic mineralization prospective areas,ZhalongjiadangPb-Zn-Ag-Au polymetallic mineralization prospective area and Nihaerrugang Pb-Zn-Ag-Mo mineralization prospective area.
引文
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张占玉,张永胜,李华,等.青海省都兰地区矽卡岩型铁多金属矿地质特征及成矿规律[J].地质与勘探,2011,47(6):994-1001.ZHANG Zhanyu,ZHANG Yongsheng,LI Hua,et al.Geological Characteristics and Metallogenic of the Skarn I-ron Polymetallic Deposits in the DulanArea[J].Geology and Exploration,2011,47(6):994-1001.
张爱奎,刘光莲,丰成友,等.青海虎头崖多金属矿床地球化学特征及成矿-控矿因素研究[J].矿床地质,2013,32(1):94-108.ZHANG Aikui,LIU Guanglian,FENG Chengyou,et al.Geochemical characteristics and ore-controlling factors of Hutouyapolymetallic deposit,Qinghai Province[J].Mineral Deposits,2013,32(1):94-108.
李保平,陈玉华,周晓中,等.青海各玛龙铅锌矿地质地球化学特征及找矿前景[J].黄金科学技术,2011,19(3):9-13.LI Baoping,CHEN Yuhua,ZHOU Xiaozhong,et al.The Geological and Geochemical Characteristics of Gemalong Lead-zinc Mine,Qinghai Province[J].Gold Science and Technology,2011,19(3):9-13.
徐欢,窦洪伟,张正虎,等.青海鄂拉山口银铅锌矿床成矿地质特征及找矿标志[J].青海有色地质矿产勘查局八队,黄金科学技术,2012,20(1):71-77.XU Huan,DOU Hongwei,ZHANG Zhenghu,et al.The Geological Features of Prospecting Indicator in Elashankou Silver-LeadZinc Deposit,Qinghai Province[J].Gold Scienceand Technology,2012,20(1):71-77.
青海省地质矿产局.青海省岩石地层[M].武汉:中国地质出版社,1997.Qinghai Provincial Bureau of Geology and Mineral Resources.Rock formation in Qinghai Province[M].WuHan:China Geological Publishing House,1997.
李兆营,刘同,王真亮,等.青海省都兰县鄂拉山地区七幅1∶5万水系沉积物地球化学测量报告[R].山东省第七地质矿产勘查院,2009.
李善平,谢智勇,黄青华,等.青海鄂拉山地区印支期陆相火山岩成矿作用及找矿潜力[J].西北地质,2012,45(S1):49-52.LI Shanping,XIE Zhiyong,HUANG Qinghua,et al.Qinghai ElashanArea of IndosinianContinental Volcano Rock Mineralization and Ore Prospecting Potential[J].Northwestern Geology,2012,45(S1):49-52.
李玉芹,沈恒丽,王学贞.都兰地区水系沉积物测量地球化学特征及找矿预测[J].矿物学报,2011,31(3):615-620.LI Yuqin,SHEN Hengli,WANG Xuezhen.Geochemical Characteristics and Prospecting Prediction of Water System Sediment in DulanArea[J].Acta Mineralogica Sinica,2011,31(3):615-620.
张占玉,张永胜,李华,等.青海省都兰地区矽卡岩型铁多金属矿地质特征及成矿规律[J].地质与勘探,2011,47(6):994-1001。ZHANG Zhanyu,ZHANG Yongsheng,LI Hua,et al.Geological Characteristics and Metallogenic Regularities of the Skarn Iron Polymetallic Deposits in the Dulan Area,Qinghai Province[J].Geology and Exploration,2011,47(6):944-1001.
张信,张汉成,张宝琛.对青海省矿产资源勘查的思考[J].地质与勘探,2008,44(5):37-41.ZHANG Xin,ZHANG Hancheng,ZHANG Baochen.Thinking of Mineral Resources Exploration in Qinghai Province[J].Geology and Exploration,2008,44(5):37-41.
张培青.青海省索拉沟铜多金属矿床成矿模式探讨[J].青海国土经略,2007,(6):31-33.ZHANG Peiqing,Metallogenic Model of the Polymetallic Deposit in Qinghai Province SuolagouCopper[J].Maragement&Strategy of Qinghai Lang&Resources,2007,(6):31-33.
丰成友,李东生,吴正寿,等.东昆仑祁漫塔格成矿带矿床类型、时空分布及多金属成矿作用[J].西北地质,2010,43(4):10-17.FENG Chenyou,LI Dongsheng,WU Zhengshou,et al.Major Types、Time-Spaec Distribution and Metallogeneses of Polymetallic Deposits in the QimantageMetallogenic Belt,Eastern Kunlun Area[J].Northwestern Geology,2010,43(4):10-17.
宋忠宝,贾群子,张占玉,等.东昆仑祁漫塔格地区野马铁铜矿床地质特征及成因探讨[J].西北地质,2010,43(4):209-217.SONG Zhongbao,JIA Qunzi,ZHANG Zhanyu,et al.Study on Geological Feature and Origin of Yemaquan Fe-Cu Deposit in Qimantage Area,Eastern Kunlun[J].Northwestern Geology,2010,43(4):209-217.
彭礼贵,任有祥,李智佩,等.甘肃白银厂铜多金属矿床成矿模式[M].北京:地质出版社,1995:157-164.PENG Ligui,REN Youxiang,LI Zhipei,et al.MetallogenicModel of the Copper Polymetallic Deposit of BaiyinchangMine Ore Filed in Gansu[M].Beijing:Geological Publishing House,1995:157-164.
李世金,孙丰月,丰成友,等.青海东昆仑鸭子沟多金属矿的成矿年代学研究[J].地质学报,2008,82(7):949-955.LI Shijin,SUN Fengyue,FENG Chengyou,et al.Geochronological Study on YazigouPolymetallic Deposit in Eastern Kunlun,Qinhai Province[J].Acta Geologica Sinica,2008,82(7):949-955.
杨钻云,施泽进,钟康慧,等.青海南部三江成矿带北缘治多地区铁铜铅锌多金属成矿带矿产资源潜力评价[J].地质与勘探,2010,46(3):42-43.YANG Zuanyun,SHI Zhejin,ZHONG Kanghui,et al.Potential Evaluation of Multimetal Ore Resource in the ZhidoiArea,Northern Margin of the SanjiangMetallogenetic Belt,Southern Qinghai Province[J].Geology and Exploration,2010,46(3):42-43.
杨钻云,雍自权,荣光华,等.青海都兰察汗乌苏地区银、铅等多金属矿找矿前景分析[J].新疆地质,2006,24(2):197-201.YANG Zuanyun,YONG Ziquan,RONG Guanghua,et al.Silver and lead polymetallic mineralization in Chahanwusu,Dulancounty,Qinghai Province[J].Xinjiang geology,2006,24(2):197-201.
张占玉,张永胜,李华,等.青海省都兰地区矽卡岩型铁多金属矿地质特征及成矿规律[J].地质与勘探,2011,47(6):994-1001.ZHANG Zhanyu,ZHANG Yongsheng,LI Hua,et al.Geological Characteristics and Metallogenic of the Skarn I-ron Polymetallic Deposits in the DulanArea[J].Geology and Exploration,2011,47(6):994-1001.
张爱奎,刘光莲,丰成友,等.青海虎头崖多金属矿床地球化学特征及成矿-控矿因素研究[J].矿床地质,2013,32(1):94-108.ZHANG Aikui,LIU Guanglian,FENG Chengyou,et al.Geochemical characteristics and ore-controlling factors of Hutouyapolymetallic deposit,Qinghai Province[J].Mineral Deposits,2013,32(1):94-108.
李保平,陈玉华,周晓中,等.青海各玛龙铅锌矿地质地球化学特征及找矿前景[J].黄金科学技术,2011,19(3):9-13.LI Baoping,CHEN Yuhua,ZHOU Xiaozhong,et al.The Geological and Geochemical Characteristics of Gemalong Lead-zinc Mine,Qinghai Province[J].Gold Science and Technology,2011,19(3):9-13.