• 中文核心期刊
  • 中国科技核心期刊
  • 中国科学引文数据库核心期刊
CAO Lei, SU Maorong, ZHOU Fei, LI Lei, YANG Baohong. 2019: Zircon U-Pb age and geochemical characteristics of Ordovician pluton in Geleaobao, Inner Mongolia. Geological Bulletin of China, 38(4): 632-642.
Citation: CAO Lei, SU Maorong, ZHOU Fei, LI Lei, YANG Baohong. 2019: Zircon U-Pb age and geochemical characteristics of Ordovician pluton in Geleaobao, Inner Mongolia. Geological Bulletin of China, 38(4): 632-642.

Zircon U-Pb age and geochemical characteristics of Ordovician pluton in Geleaobao, Inner Mongolia

More Information
  • Received Date: March 11, 2018
  • Revised Date: November 11, 2018
  • Available Online: August 15, 2023
  • The Geleaobao area of Inner Mongolia is located in the Xingmeng orogenic belt. By studying the Ordovician magmatic rocks in this area, researchers can further understand the structure and evolution of the Early Paleozoic strata in this orogenic belt. The ages of the LA-ICP-MS zircons of syenite and mottled monzogranite samples studied in this work are 441.6±3.7Ma to 454.9±4.6Ma. The age of formation is Ordovician. Geochemical analysis shows that the pluton has high-K calc-alkaline characteristics. Aluminum saturation index shows that it is peraluminous granite. The characteristics of trace elements in rocks indicate that they are enriched in large ionic lithophilic elements (LILEs) Rb, Th, U, K, depleted in Ba, Sr; enriched in high field strength elements (HFSEs) La, Ce, Nd, Zr, and depleted in Nb, P, Ti. The total amount of rare earths in the rocks is 38.7×10 -6 to 120.23×10 -6, and the light rare earths exhibit obvious differences in heavier rare earths, with higher fractionation and weaker negative Eu anomalies. Based on regional geological data, it is believed that the source region of the Ordovician magma in the Geleaobao area is partially melted upper crustal materials, and the formation environment was a back-arc basin. After the subduction of the ancient Asian Ocean to the north, it experienced an island-arc magmatic process cycle, being product of extension stage.

  • 刘家义.内蒙贺根山地区蛇绿岩套研究及构造意义[C]//中国地质科学院文集(1982中英文合订本), 1985: 2.
    王树庆, 许继峰, 刘希军, 等.内蒙朝克山蛇绿岩地球化学:洋内弧后盆地的产物?[J].岩石学报, 2008, 24(12):2869-2879. http://d.old.wanfangdata.com.cn/Periodical/ysxb98200812021
    黄波, 付冬, 李树才, 等.内蒙古贺根山蛇绿岩形成时代及构造启示[J].岩石学报, 2016, 32(1):158-176. http://d.old.wanfangdata.com.cn/Periodical/ysxb98201601020
    徐备, 赵盼, 鲍庆中, 等.兴蒙造山带前中生代构造单元划分初探[J].岩石学报, 2014, 30(7):1841-1857. http://d.old.wanfangdata.com.cn/Periodical/ysxb98201407001
    Xiao W J, Windley B F, Hao J, et al. Accretion leading to collision and the Permian Solonker Suture, Inner Mongolia, China:Termination of the Central Asian Orogenic Belt[J]. Tectonics, 2003, 22(6):1069-1090. http://cn.bing.com/academic/profile?id=4f70f4625c75e2c67f49e664df0bc8b5&encoded=0&v=paper_preview&mkt=zh-cn
    Li J Y. Permian Geodynamic Setting of Northeast China and Adjacent regions:Closure of the Paleo-Asian Ocean and dubduction of the Paleo-Pacific Plate[J]. Journal of Asian Earth Sciences, 2006, 26(3/4):207-224. http://cn.bing.com/academic/profile?id=e77fd6a5ce2d0c1b863e92f716eaa12f&encoded=0&v=paper_preview&mkt=zh-cn
    Jian P, Liu D Y, Kröner A, et al. Time scale of the early to midPaleozoic orogenic cycle of the longlived Central Asian Orogenic Belt, Inner Mongolia of China:implications for continental growth[J]. Lithos, 2008, 101(3/4):233-259. https://www.researchgate.net/publication/229097104_Time_scale_of_an_early_to_mid-Paleozoic_orogenic_cycle_of_the_long-lived_Central_Asian_Orogenic_Belt_Inner_Mongolia_of_China_Implications_for_continental_growth
    Xu B, Charvet J, Chen Y, et al. Middle Paleozoic convergent orogenic belts in western Inner Mongolia (China):framework, kinematics, geochronology and implications for tectonic evolution of the Central Asian Orogenic Belt[J]. Gondwana Research, 2013, 23(4):1342-1364. doi: 10.1016/j.gr.2012.05.015
    杨泽黎, 王树庆, 胡晓佳, 等.内蒙古吉尔嘎郎图早古生代岩体成因——年代学、地球化学及Nd-Hf同位素制约[J].地质通报, 2017, 36(8):1369-1384. doi: 10.3969/j.issn.1671-2552.2017.08.007
    赵利刚, 冉皞, 张庆红, 等.内蒙古阿巴嘎旗奥陶纪岩体的发现及地质意义[J].世界地质, 2012, 31(3):451-461. doi: 10.3969/j.issn.1004-5589.2012.03.002
    李红英, 周志广, 李鹏举, 等.内蒙古东乌珠穆沁旗晚奥陶世辉长岩地球化学特征及其地质意义[J].地质论评, 2016, 62(2):300-316. http://d.old.wanfangdata.com.cn/Periodical/dzlp201602005
    Hoskin P W O, Black L P. Metamorphic zircon formation by solidstate recrystallization of protolith igneous ziron[J]. Metamorphic Geol., 2000, 18:423-439. http://www.oalib.com/references/19203084
    Hoskin P W O, Schaltegger U. The composition of zircon and igneous and metamorphic petrogenesis[J]. Reviews in Mineralogy and Geochemistry, 2003, 53:27-62. doi: 10.2113/0530027
    Corfu F, Hanchar J M, Hoskin P W O, et al. Atlas of zircon textures[J]. Reviews in Mineralogy and Geochemistry, 2003, 53(1):469-500. doi: 10.2113-0530469/
    Middlemost E A K. Naming materials in the magma/igneous rock system[J].Earth Science Reviews, 1994, 37(3/4):215-224. http://cn.bing.com/academic/profile?id=734bf86c098739b75858e5b7d1c062b4&encoded=0&v=paper_preview&mkt=zh-cn
    Wright J B. A simple alkalinity ratio and its application to questions of nonorogenic granite genesis[J]. Geological Magazine, 1969, 106(4):370-384. doi: 10.1017/S0016756800058222
    Peccerillo R, Taylor S R. Geochemistry of eocene calc-alkaline volcanic rocks from the Kastamonu area, Northern Turkey[J]. Contrib. Mineral. Petrol., 1976, 58:63-81. doi: 10.1007/BF00384745
    Maniar P D, Piccoli P M. Tectonic discrimination of granitoids[J]. Geological Society of America Bulletin, 1989, 101(5):635-643. doi: 10.1130/0016-7606(1989)101<0635:TDOG>2.3.CO;2
    Sun S S, Mcdonough W F. Chemical and isotopic systematics of oceanic basalts:Implications for mantle composition and processes[J]. Geological Society of London Special Publications, 1989, 42(1):313-345. doi: 10.1144/GSL.SP.1989.042.01.19
    Bowden P. The geochemistry and mineralization of alkaline ring complexes in Africa (a review)[J]. Journal of African Earth Sciences, 1985, 3(1/2):17-39. http://cn.bing.com/academic/profile?id=3cc5e02b16ad50b923839fcf5ba3cbe1&encoded=0&v=paper_preview&mkt=zh-cn
    Eby G N. Chemical subdivision of the A-type granitoids:Petrogenetic and tectonic implications[J]. Geology, 1992, 20:641-644. doi: 10.1130/0091-7613(1992)020<0641:CSOTAT>2.3.CO;2
    张磊, 吕新彪, 刘阁, 等.兴蒙造山带东段大陆弧后A型花岗岩特征与成因[J].中国地质, 2013, 40(3):869-884. doi: 10.3969/j.issn.1000-3657.2013.03.018
    Eby G N, 王宾. A型花岗岩类的化学分类:岩石成因和构造意义[J].国外火山地质, 1994, (1):38-42. http://www.cnki.com.cn/Article/CJFDTOTAL-GWHD199401006.htm
    Batchelor R A, Bowden P. Petrogenetic interpretation of granitoid rock seriesusing multicationic parameters[J]. Chem. Geol., 1985(48):43-55. http://cn.bing.com/academic/profile?id=cf476bac1fef15bdde5a43220ec07ed8&encoded=0&v=paper_preview&mkt=zh-cn
    潘桂棠, 陆松年, 肖庆辉, 等.中国大地构造阶段划分和演化[J].地学前缘, 2016, 23(6):1-23. http://d.old.wanfangdata.com.cn/Periodical/dxqy201606001
    Harris N B W, Pearce J A, Tindle A G. Geochemical characteristics of collision-zone magmatism[C]//Coward M P, Reis A C. Collision tectonics. Spec. Publ. Grol. Soc. Lond., 1986, 19: 67-81.
    内蒙古自治区地质调查院.内蒙古 1∶5万阿格廷查干陶乐盖等六幅区域矿产地质调查报告.2018.
  • Related Articles

  • Cited by

    Periodical cited type(2)

    1. 胡飞,黄蔚,何翔,张克信,骆满生. 内蒙古东乌珠穆沁旗海勒斯台岩体的年代学和地球化学特征及其地质意义. 地质论评. 2023(01): 199-218 .
    2. 付超,李俊建,张帅,党智财,唐文龙,Orolmaa Demberel. 中蒙边界地区侵入岩时空分布特征及对构造演化的启示. 华北地质. 2023(01): 1-19 .

    Other cited types(0)

Catalog

    Article views (3390) PDF downloads (2090) Cited by(2)

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return