新疆江格结尔地区铜铅锌矿床特征及其成因
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摘要
江格结尔地区铜铅锌矿位于萨热克-乌拉根铜铅锌成矿区的过渡带,江格结尔铜矿与萨热克铜矿均产于上侏罗统库孜贡苏组杂砾岩中;江格结尔铅锌矿与乌拉根铅锌矿均产于上白垩统克孜勒苏群砂砾岩中。该地区的铜铅锌矿床与萨热克铜矿和乌拉根铅锌矿具有很多相似性,表现在成矿物质主要来源于盆地周边的隆起剥蚀区,即苏鲁铁列克隆起中的中元古界长城系基底地层;铜铅锌矿床的形成都与油田卤水或富烃类的还原性盆地流体有关,该成矿流体通常沿断裂带上侵,并在渗透率较高的杂砾岩层或砂砾岩层中沉淀并富集成矿,在矿石及近矿围岩裂隙中常可见大量黑色沥青物质。
The Cu-Pb-Zn deposits in Jianggejieer area are located in the transitional zone of Sareke-Wulagen metallogenic belt.Both Jianggejieer copper deposit and Sareke copper deposit occur in the upper Jurassic Kuzgongsu group conglomerate; Both Jianggejieer Pb-Zn deposit and Wulagen Pb-Zn deposit occur in the upper Cretaceous Kezilesu group glutenite. There are many similar characteristics between the Cu-Pb-Zn deposit in Jianggejieer area and Sareke copper deposit & Wulagen Pb-Zn deposit. The Ore-forming materials for these deposits were mainly derived from the uplift denudation area around the basin,namely the middle Proterozoic Changcheng basement stratum formatiom in the Sulutieluoke ridges.The Cu-Pd-Zn deposits are closely related to the oil-field brine or reduced basin fluid with rich hydrocarbon. In the fractures of ore and nearby surrounding rocks,we can see a large amount of black bituminous materials due to the ore-forming fluid upward along the fault and precipitation in gravel layer with high permeability.
The Cu-Pb-Zn deposits in Jianggejieer area are located in the transitional zone of Sareke-Wulagen metallogenic belt.Both Jianggejieer copper deposit and Sareke copper deposit occur in the upper Jurassic Kuzgongsu group conglomerate; Both Jianggejieer Pb-Zn deposit and Wulagen Pb-Zn deposit occur in the upper Cretaceous Kezilesu group glutenite. There are many similar characteristics between the Cu-Pb-Zn deposit in Jianggejieer area and Sareke copper deposit & Wulagen Pb-Zn deposit. The Ore-forming materials for these deposits were mainly derived from the uplift denudation area around the basin,namely the middle Proterozoic Changcheng basement stratum formatiom in the Sulutieluoke ridges.The Cu-Pd-Zn deposits are closely related to the oil-field brine or reduced basin fluid with rich hydrocarbon. In the fractures of ore and nearby surrounding rocks,we can see a large amount of black bituminous materials due to the ore-forming fluid upward along the fault and precipitation in gravel layer with high permeability.
引文
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孙宝生,米合古里.2010.西南天山与后碰撞有关的金矿床及其成矿作用[J].矿床地质,29(增刊):993-994.
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张招崇,董书云,黄河,马乐天,张东阳,张舒,薛春纪.2009.西南天山二叠纪中酸性侵入岩的地质学和地球化学:岩石成因和构造背景[J].地质通报,28(12):1827-1839.
赵仁夫,杨建国,王满仓,姚文光.2002.西南天山成矿地质背景研究及找矿潜力评价[J].西北地质,35(4):101-121.
祝新友,王京彬,王玉杰,等.2011.新疆萨热克铜矿-与盆地卤水作用有关的大型矿床[J].矿产勘查,2(1):28-35.
Zartman R E,Doe B R.1981.Plumbotectonics-the model[J].Tectonophysics,75(1-2):135-162.
陈兴,薛春纪.2016.西天山乌拉根大规模铅锌成矿中H2S成因:菌生结构和硫同位素组成约束[J].岩石学报,32(5):1301-1314.
董传奇,胡煜昭,任涛,张宇寒,何岸北,刘昌伟.2017.塔西乌拉根铅锌矿床硫同位素地球化学特征[J].矿物学报,37(5):653-660.
方维萱,贾润幸,郭玉乾,李天成,王磊,黄转盈.2016.塔西地区富烃类还原性盆地流体与砂砾岩型铜铅锌-铀矿床成矿机制[J].地球科学与环境学报,38(6):727-752.
方维萱,贾润幸,王磊.2017.塔西陆内红层盆地中盆地流体类型、砂砾岩型铜铅锌-铀矿床的大规模褪色化围岩蚀变与金属成矿[J].地球科学与环境学报,39(5):585-619.
方维萱,王磊,郭玉乾,李天成,贾润幸,刘增仁.2018.新疆萨热克巴依盆内构造样式及对萨热克大型砂砾岩型铜矿床控制规律[J].地学前缘,25(3):1-20.
贾润幸,方维萱,胡雷雷,刘得磊,李述国,陈腾.2017b.新疆萨热克铜矿床硫铅氢氧碳同位素地球化学特征[J].矿物学报,37(5):630~637.
贾润幸,方维萱,李建旭,陈腾,李述国.2018.新疆萨热克铜矿床铼-锇同位素年龄及其地质意义[J].矿床地质,37(1):151-162.
贾润幸,方维萱,王磊,郭玉乾,李天成.2017a.新疆萨热克砂砾岩型铜矿床富烃类还原性盆地流体特征[J].大地构造与成矿学,41(4):721-733.
贾润幸,方维萱,王磊,刘增仁,叶雷,李胜强.2016.新疆乌恰萨热克铜多金属矿找矿预测方法[J].矿产勘查,7(6):965-970.
李向东,王可卓.2000.塔里木盆地西南及邻区特提斯格局和构造意义[J].新疆地质,18(2):113-120.
李志丹,薛春纪,辛江,王思程,贾志业,石海岗,董新丰,邵行来.2011.新疆乌恰县萨热克铜矿床地质特征及硫、铅同位素地球化学[J].现代地质,25(4):720-729.
李志丹,薛春纪,董新丰,刘增仁,钟天智,漆树基.2013.新疆乌恰县乌拉根铅锌矿床地质特征和S-Pb同位素组成[J].地学前缘,20(1):669-680.
刘增仁,田培仁,祝新友,陈正乐,陈柏林,漆树基,叶雷,余子昌,任经武.2011.新疆乌拉根铅锌矿成矿地质特征及成矿模式[J].矿产勘查,2(6):669-680.
孙宝生,米合古里.2010.西南天山与后碰撞有关的金矿床及其成矿作用[J].矿床地质,29(增刊):993-994.
王中刚,于学元,赵振华.1989.稀土元素地球化学[M].北京:科学出版社,349-353.
杨建国,闫晔轶,徐学义,马中平,赵仁夫,姚文光.2004.西南天山成矿规律及其与境外对比研究[J].矿床地质,23(1):20-30.
张招崇,董书云,黄河,马乐天,张东阳,张舒,薛春纪.2009.西南天山二叠纪中酸性侵入岩的地质学和地球化学:岩石成因和构造背景[J].地质通报,28(12):1827-1839.
赵仁夫,杨建国,王满仓,姚文光.2002.西南天山成矿地质背景研究及找矿潜力评价[J].西北地质,35(4):101-121.
祝新友,王京彬,王玉杰,等.2011.新疆萨热克铜矿-与盆地卤水作用有关的大型矿床[J].矿产勘查,2(1):28-35.