Journal of Jilin University(Earth Science Edition) ›› 2015, Vol. 45 ›› Issue (2): 483-494.doi: 10.13278/j.cnki.jjuese.201502112

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Metallogenic and Geological Characteristics and Prospecting Potential of Meng'entaolegai Multi Metal Metallogenic Area in Inner Mongolia

Pang Xuejiao, Song Weimin, Fu Junyu, Tao Nan   

  1. Shenyang Institute of Geology and Mineral Resources/Shenyang Center of Geological Survey, China Geological Survey, Shenyang 110034, China
  • Received:2014-07-12 Published:2015-03-26

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Abstract:

The geochemistry and geochronology of the tonalite, granodiorite and adamellite dismantled from the Meng'entaolegai rock are studied. The geochemical analyses show the content of SiO2 is between 67.41% and 76.21%, while the content of K2O is between 3.00% and 5.64%. The tonalite, granodiorite and adamellite all belong to the series of high potassium ca-alkaline. From early to late of their formation,the acidity and alkalinity are enhanced,while the aluminum, magnesium and iron are reduced. The Al2O3/(Na2O+CaO+K2O) values are higher than 1.1, the standard mineral calculation C is higher than 1%, n(87sr)/n(86sr) is generally greater than 0.708. The ratio of n(143Nd)/n(144Nd) falls in the range of 0.512 4 to 0.513 7, the characteristics of the S-type granite, while they belong to the per-aluminous granite based on A/CNK (1.013 to 1.249) and A/NK (1.16 to 1.50). The rockmass is mainly from the melten shell material. They are enriched in LILE elements of Rb, K, U, Th, depleted of Ti. The deficiency of Ba, Sr may reflect that the source is derived from the partial melting of the crust. The LA-ICP-MS dating respectively presents three weighted average ages for the tonalite, granodiorite and adamellite: (260±34) Ma, (234±1) Ma, and (230±1) Ma. It indicates the existence of the magmatic activity during Middle Triassic and Indosinian period. According to the distribution of minerals and ores, as well as the δ34S, Pb, O isotopic data of the deposits, the source of metallogenic materials was mainly related to the magmatic activity in Yanshan period, the corresponding mother rock may exist in deep underground in the western prospecting area. The rock and the stratum are mainly responsible for the favorable wall rock in the ore-forming process; the fault structures played a significant role in ore flowing and storing. Further attention should be paid to the ore prospecting work.

Key words: Meng'entaolegai polymetallicdeposit, metallogenic prospective area, metallogenic geological characteristics, geochemical, chronology, S-type granite

CLC Number: 

  • P618.2

[1] 吉林省地质局.1:20万区域地质测量报告(科尔沁右翼中旗幅L-51-ⅩⅩⅥ)[R].沈阳:沈阳地质矿产研究所, 1973. Jilin Province Geological Survey. 1:200 000 Regional Geological Survey Report(L-51-ⅩⅩ Ⅵ)[R]. Shenyang:Shenyang Institute of Geology and Mineral Resources, 1973.

[2] 江思宏, 聂凤军, 刘翼飞, 等.内蒙古孟恩陶勒盖银多金属矿床及其附近侵入岩的年代学[J].吉林大学学报:地球科学版, 2011, 41(6):1755-1769. Jiang Sihong, Nie Fengjun, Liu Yifei, et al. Institute of Mineral Resources, CAGS/MLR Key Laboratory of Metallogeney and Mineral Assessment[J]. Journal of Jilin University:Earth Science Edition, 2011, 41(6):1755-1769.

[3] 内蒙古地矿局115地质队.内蒙古科尔沁右翼中旗孟恩地区大比例尺成矿预测研究报告[R].北京:全国地质资料馆, 1992. Inner Mongolia Mine Bureau 115 Geological Team. Inner Mongolia Horqin Right Middle Banner Meng'en Area Large Scale Metallogenic Prediction Research Report[R]. Beijing:National Geological Archives, 1992.

[4] 张乾, 战新志, 邵树勋.孟恩陶勒盖银铅锌铜锡铟多金属矿床[J].矿物岩石地球化学通报, 2000, 19(4):298-299. Zhang Qian, Zhan Xinzhi, Shao Shuxun. Meng'entaolegai Silver Lead Zinc Copper Tin Indium Polymetallic Deposit[J]. Bulletin of Mineralogy Petrology and Geochemistry, 2000, 19(4):298-299.

[5] 张炯飞, 庞庆邦, 朱群, 等.内蒙古孟恩陶勒盖银铅锌矿床白云母Ar-Ar年龄及其意义[J].矿床地质, 2003, 22(3):253-256. Zhang Jiongfei, Pang Qingbang, Zhu Qun, et al. Meng'entaolegai Ag-Pb-Zn Deposit in Inner Mongolia:Ar-Ar Age of Muscovite and Its Significance[J]. Mineral Deposits, 2003, 22(3):253-256.

[6] 张乾, 刘志浩, 战新志, 等.内蒙古孟恩陶勒盖银铅锌铟矿床的微量元素地球化学[J].矿物学报, 2004, 24(1):39-47. Zhang Qian, Liu Zhihao, Zhan Xinzhi, et al. Trace Element Geochemistry of Meng'entaolegai Ag-Pb-Zn-In Deposit, Inner Mongolia, China[J]. Acta Mineralogica Sinica, 2004, 24(1):39-47.

[7] 张乾, 战新志, 裘愉卓, 等.内蒙古孟恩陶勒盖银铅锌铟矿床的铅同位素组成及矿石铅的来源探讨[J].地球化学, 2002, 31(3):253-258. Zhang Qian, Zhan Xinzhi, Qiu Yuzhuo, et al. Lead Isotope Composition and Lead Source of the Meng'entaolegai Ag-Pb-Zn-In Deposit in Inner Mongolia[J]. Geochimica, 2002, 31(3):253-258.

[8] 朱笑青, 张乾, 何玉良, 等.内蒙古孟恩陶勒盖银铅锌铟矿床成因研究[J].矿床地质, 2004, 23(1):52-60. Zhu Xiaoqing, Zhang Qian, He Yuliang, et al. Genesis of Meng'entaolegai Ag-Pb-Zn-In Polymetallic Deposit in Inner Mongolia[J]. Mineral Deposits, 2004, 23(1):52-60.

[9] 内蒙古自治区地质矿产局.内蒙古自治区区域地质志[M].北京:地质出版社, 1991. Bureau of Geology and Mineral Resources of Inner Mongolia Autonomous Region. Regional Geology of the Inner Mongolia Autonomous Region[M]. Beijing: Geological Publishing House, 1991.

[10] 宋维民, 李之彤, 付俊彧, 等.内蒙古科尔沁右翼中旗地区孟恩陶勒盖岩体成因研究[J].地质科学, 2014, 49(4):1150-1168. Song Weimin, Li Zhitong, Fu Junyu, et al. Study on the Genesis of Mengentaolegai Pluton on Horqin Right Wing Middle Banner in Inner Mongolia[J]. Chinese Journal of Geology, 2014, 49(4):1150-1168.

[11] 鄢明才, 迟清华.应用地球化学元素丰度数据手册[M].北京:地质出版社, 2007. Yan Mingcai, Chi Qinghua. The Application of Geochemical Element Abundance Data Book[M]. Beijing:Geological Publishing House, 2007.

[12] 张明, 付俊彧, 肖剑伟, 等.内蒙古孟恩陶勒盖岩体的成岩时代:LA-ICP-MS 锆石U-Pb同位素年代学[J].地质与资源, 2013, 22(1):36-40. Zhang Ming, Fu Junyu, Xiao Jianwei, et al. Petrogenic Age of Meng'entaolegai Intrusive Body in Inner Mongolia, LA-ICP-MS Zircon U-Pb Isotopic Geochronology[J]. Geology and Resources, 2013, 22(1):36-40.

[13] 赵一鸣, 张德全.大兴安岭及邻区铜多金属矿床论文集[M].北京:地震出版社, 1993. Zhao Yiming, Zhang Dequan. Copper Polymetallic Mineralization on Greater Hinggan Mountains and Its Adjacent Area[M].Beijing: Seismological Publishing House, 1993.

[14] 冯建忠. 内蒙黄岗梁孟恩陶勒盖多金属矿床同位素地质特征[J]. 辽宁地质, 1992(2):117-126. Feng Jianzhong. The Isotopic Characteristics of Polymetallic Deposits from Huanggangliang to Meng'en, Eastern Inner Mongolia[J].Liaoning Geology, 1992(2):117-126.
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