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矿床地质  2012 

内蒙古苏尼特左旗准苏吉花钼矿床成岩成矿年代学及其地质意义

Keywords: 地球化学,Re-Os同位素定年,斑岩钼矿床,伸展作用与钼矿化,准苏吉花,苏尼特左旗,内蒙古

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Abstract:

通过辉钼矿Re-Os及锆石SHRIMPU-Pb同位素年代学的研究,测得辉钼矿的Re-Os等时线年龄为(298.1±3.6)Ma,赋矿似斑状花岗岩中锆石SHRIMPU-Pb年龄为(298.2±3.1)Ma,确定准苏吉花斑岩型钼矿床成岩成矿时代为早二叠世。辉钼矿中Re的含量指示成矿物质可能为壳幔混合来源。结合区域内其他斑岩型矿床的成矿年代,可以将区内斑岩型矿化时代划分为4个阶段,即晚泥盆世成矿阶段、早二叠世成矿阶段、三叠纪成矿阶段及白垩纪成矿阶段。根据这些斑岩型矿床矿化形式在不同地质历史时期的演化,可以将其划分为2期,即晚泥盆世时期以铜为主的斑岩型矿化和早二叠世及其后的以钼为主的斑岩型矿化,早二叠世斑岩型钼矿化可能与板块俯冲过程中弧后伸展作用岩浆作用有关,而三叠纪及白垩纪期间斑岩型钼矿化则是西伯利亚板块与华北板块拼接后多期伸展作用的产物。中蒙边境中东部地区的这些斑岩型矿床矿化形式上的差异是该区域内成矿环境变化的反映。

References

[1]  Meng Q R. 2003. What drove late Mesozoic extension of the northern China-Mongolia tract[J]? Tectonophysics, 369: 155-174.
[2]  Nasdala L, Hofmeister W, Norberg N, Mattinson J M, Corfu F, Dorr W, Kamo S L, Kennedy A K, Kronz A, Reiners P W, Frei D, Kosler J, Wan Yu-sheng, Gotze J, Hager T, Kroner A and Valley J W. 2008. Zircon M257-a homogeneous natural reference materialfor the ion microprobe U-Pb analysis of zircon[J]. Geostandards and Geoanalytical Research, 32(3): 247-265.
[3]  Perelló J, Cox D, Garamjav D, Sanjdorj S, Diakov S, Schissel D, Munkhbat T and Gonchig O. 2001. Oyu Tolgoi, Mongolia: Siluro-Devonian porphyry Cu-Au-(Mo) and high-sulfidation Cu mineralization with a Cretaceous chalcocite blanket[J]. Econ. Geol., 96: 1407-1428.
[4]  Pidgeon R T, Nemchin A A and Hitchen G J. 1998. Internal structures of zircons from Archaean granites from the Darling Range batholith: implications for zircon stability and the interpretation of zircon U-Pb ages[J]. Contrib. Mineral Petrol., 132: 288-299.
[5]  Shao J A, Zang S X, Mu B L, Li X B and Wang B. 1994. Extention of orogenic belts and upwelling of asthenosphere: The example of Hinggan-Mongolian orogenic belt[J]. Chinese. Science Bulletin., 40(1):50-56.
[6]  Sinclair W D. 2007. Porphyry deposits[A]. In: Goodfellow W D, ed. Mineral deposits of Canada: A Synthesis of major deposit-types, district metallogeny, the evolution of geological provinces, and exploration methods[C]. Geological Association of Canada, Mineral Deposits Division, Special Publication, 5: 223-243.
[7]  Smoliar M I, Walker R J and Morgan J W. 1996. Re-Os ages of group ⅡA, ⅢA, ⅣA and ⅤB iron meteorites[J]. Science, 271:1099-1102.
[8]  Sotnikov V I, Berzina A N, Berzinab A P, Ponomarchuk V A and Gimon V O. 2003. Fluorine and chlorine in magmatic and metasoma-tic ore processes in the Cu-Mo porphyry deposits of Siberia and Mongolia[J]. Petrology, 11: 301-304.
[9]  Stein H J, Markey R J, Morgan J W, Hannah J L and Schersten A. 2001. The remarkable Re-Os chronometer in molybdenite: How and why it works[J]. Terra Nova, 13(6): 479-486.
[10]  Watanabe Y and Stein H J. 2000. Re-Os ages for the Erdenet and Tsagaan Suvarga porphyry Cu-Mo deposits, Mongolia, and tectonic implications[J]. Econ. Geol., 95: 1537-1542.
[11]  Westra G and Keith S B. 1981. Classification and genesis of stockwork molybdenum deposits[J]. Econ. Geol., 76: 844-873.
[12]  Xiao W J, Windley B F, Hao J and Zhai M G. 2003. Accretion leading to collision and the Permian Solonker suture, Inner Mongolia, China: Termination of the central Asian orogenic belt[J]. Tectonic, 22: 1484-1505.
[13]  Xiong Y and Wood S. 2002. Experimental determination of the hydrothermal solubility of ReS2 and the Re-ReO2 buffer assemblage and transport of rhenium under supercritical conditions[J]. Geochemical Transactions 3:1-10.
[14]  杜安道, 何红蓼, 殷宁万, 邹晓秋, 孙亚利, 孙德忠, 陈少珍, 屈文俊. 1994. 辉钼矿的铼-锇同位素地质年龄测定方法研究[J]. 地质学报,68(4):339-347.
[15]  杜安道,赵敦敏,王淑贤,孙德忠,刘敦一. 2001. Carius管溶样和负离子热表面电离质谱准确测定辉钼矿铼-锇同位素地质年龄[J]. 岩矿测试, 20(4):247-252.
[16]  侯万荣,聂凤军,江思宏,白大明,刘 妍,云 飞,刘翼飞. 2010. 蒙古国查干苏布尔加大型铜-钼矿床地质特征及成因[J]. 地球学报,31(3):307-320.
[17]  李锦轶. 2009. 中国大陆地质历史的旋回与阶段[J]. 中国地质,36(3):524-527.
[18]  毛景文,谢桂青,李晓峰,张作衡,王义天,王志良,赵财胜,杨富全,李厚民. 2005. 大陆动力学演化与成矿研究:历史与现状——兼论华南地区在地质历史演化期间大陆增生与成矿作用[J]. 矿床地质, 24 (3):193-205.
[19]  内蒙古自治区地质矿产局. 1991.内蒙古自治区区域地质志[M]. 北京:地质出版社.
[20]  聂凤军,江思宏,张 义,白大明, 胡 朋,赵元艺,张万益,刘 妍. 2007. 中蒙边境中东段金属矿床成矿规律和找矿方向[M]. 北京:地质出版社.
[21]  芮宗瑶,施林道,方如恒. 1994. 华北陆块北缘及邻区有色金属矿床地质[M]. 北京:地质出版社,1-576.
[22]  邵济安, 藏绍先, 牟保磊, 李晓波, 王 冰. 1994. 造山带的伸展构造与软流圈隆起——以兴蒙造山带为例[J]. 科学通报, 39(6):533-537.
[23]  邵济安, 张履桥, 牟保磊. 1999. 大兴安岭中生代伸展造山过程中的岩浆作用[J]. 地学前缘,6(4):339-346.
[24]  邵积东,陶继雄,李四娃,尚恒胜,武利文,巩智镇,李 甫. 2009. 大兴安岭成矿带找矿工作新进展[J]. 地质通报,28(7):955-962.
[25]  施光海, 苗来成, 张福勤, 简 平, 范蔚茗, 刘敦一. 2004. 内蒙古锡林浩特A型花岗岩的时代及区域构造意义[J]. 科学通报,49(4):384-389.
[26]  宋 彪, 张玉海, 万渝生, 简 平. 2002. 锆石SHRIMP样品靶制作、年龄测定及有关现象讨论[J]. 地质论评, 48 (增刊): 26-30.
[27]  陶继雄,王 弢,陈郑辉,罗忠泽,许立权,郝先义,崔来旺. 2009. 内蒙古苏尼特左旗乌兰德勒钼铜多金属矿床辉钼矿铼-锇同位素定年及其地质特征[J]. 岩矿测试,28(3):249-253.
[28]  陶继雄,钟 仁,赵月明,郑宝军. 2010. 内蒙古苏尼特左旗乌兰德勒钼矿床地质特征及找矿标志[J]. 地球学报,31(3): 413-422.
[29]  童 英, 洪大卫, 王 涛, 史兴俊, 张建军, 曾 涛. 2010. 中蒙边界中段花岗岩时空分布特征及构造、找矿意义[J]. 地球学报,31(3):395-412.
[30]  王 荃, 刘雪亚, 李锦轶. 1991. 中国内蒙古中部的古板块构造[J]. 中国地质科学院院报, 22: 1-15.
[31]  吴福元, 孙德有, 林 强. 1999. 东北地区显生宙花岗岩的成因与地壳增生[J]. 岩石学报, 15(2):181-189.
[32]  徐 备, 陈 斌. 1997. 内蒙古北部华北板块与西伯利亚板块之间中古生代造山带的结构及演化[J]. 中国科学(D辑), 27(3): 227-232.
[33]  姚玉鹏. 1997. 国际地质对比计划IGCP420项目"显生宙大陆增生:东-中亚地区的证据"简介[J]. 科学通报, 42(10):1119-1120.
[34]  更多...
[35]  赵一鸣, 张德全等. 1997. 大兴安岭及其邻区铜多金属矿床成矿贵了与远景评价[M]. 北京: 地震出版社.
[36]  Badarch G, Cunningham W D and Windley B F. 2002. A new terrane subdivision for Mongolia: Implications for the Phanerozoic crustal growth of Central Asia[J]. Journal of Asian Earth Sciences, 21(1): 87-110.
[37]  Berzina A N, Sotnikov V I, Eliopoulos M E and Eliopoulos D G. 2005. Distribution of rhenium in molybdenite from porphyry Cu-Mo and Mo-Cu deposits of Russia (Siberia) and Mongolia[J]. Ore Geology Reviews, 26:91-113.
[38]  Black L P, Kamo S L, Allen C M, Aleinikoff J N, Davis D W, Korsch R J and Foudoulis C. 2003. Temora 1: A new zircon standard for Phanerozoic U-Pb geochronology[J]. Chemical Geology, 200:155-170.
[39]  Du A D, Wu S Q, Sun D Z, Wang S X, Qu W J, Richard M,Holly S, John M and Dmitry M. 2004. Preparation and certification of Re-Os dating reference materials;Molybdenite HLP and JDC[J]. Geostandards and Geoanalytical Research, 28(1): 41-52.
[40]  Khashgerel B E, Rye R O, Hedenquist J W and Kavalieris I. 2006. Geology and reconnaissance stable isotope study of the Oyu Tolgoi porphyry Cu-Au system, south Gobi, Mongolia[J]. Econ. Geol., 101(3): 503-522.
[41]  Ludwig K. 2003. Isoplot/Ex 3.0.A geochronogical toolkit for Microsoft Excel[M]. Berkeley Geochronology Center, Berkeley, CA, USA, Special Publication No. 4.
[42]  Mao J W, Zhang Z C, Zhang Z H and Du A D. 1999. Re-Os isotopic dating of molybdenites in the Xiaoliugou W (Mo) deposit in the northern Qilian mountains and its geological significance[J]. Geochimica et Cosmochimica Acta, 63( 11/12): 1815-1818.

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