大兴安岭博克图地区中生代火山岩地质特征及地质意义
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摘要
博克图属大兴安岭火山岩带中部,中生代火山岩浆作用强烈,广泛分布中生代陆相火山岩地层。文章通过对火山岩地层的岩石学特征、地球化学特征研究,探讨了博克图地区中生代火山岩成因及其构造环境。结果表明:1)博克图地区塔木兰沟组以玄武岩和粗面岩为主,满克头鄂博、玛尼吐组和白音高老组以流纹岩为主。2)塔木兰沟组火山岩源区为受俯冲流体交代形成的富集型岩石圈地幔;玛尼吐组-白音高老组火山岩的岩浆来源于下地壳基性岩浆,并且受到了上地壳物质的混染。3)博克图地区中生代火山岩形成于岩石圈伸展和减薄环境,岩浆演化与蒙古-鄂霍茨克洋闭合造山后的伸展环境有关。
Boktu area is situated at middle of Daxinganling volcanic rock belt and Mesozoic volcanismmagmatism very strong.Continental volcanic strata are widely distributed.Genesis and tectonic environment are studied on the petrological and geochemical characteristics of the volcanic strata.The result shows that Tamulangou formation in Boktu area is dominated by basalt and trachyte;Manketouebo Formation,Manitu Formation and Baiyingaolao Formation by rhyolite;2)source area of volcanic rock of Tamulangou fromation is derived from the hydrothermal fluid metasomatic enrichment lithospheric mantle during subduction,and the volcanic rocks in Manitu Formation-Baiyingaolao Formation from lower crustal basic magma and is disseminated with crustal materials;3)Mesozoic volcanic rocks in Boktu area is formed under lithospheric extension and thining environment and the magma evolution related to post Mongol-Okhotsk Ocean closure extension enviroment.
Boktu area is situated at middle of Daxinganling volcanic rock belt and Mesozoic volcanismmagmatism very strong.Continental volcanic strata are widely distributed.Genesis and tectonic environment are studied on the petrological and geochemical characteristics of the volcanic strata.The result shows that Tamulangou formation in Boktu area is dominated by basalt and trachyte;Manketouebo Formation,Manitu Formation and Baiyingaolao Formation by rhyolite;2)source area of volcanic rock of Tamulangou fromation is derived from the hydrothermal fluid metasomatic enrichment lithospheric mantle during subduction,and the volcanic rocks in Manitu Formation-Baiyingaolao Formation from lower crustal basic magma and is disseminated with crustal materials;3)Mesozoic volcanic rocks in Boktu area is formed under lithospheric extension and thining environment and the magma evolution related to post Mongol-Okhotsk Ocean closure extension enviroment.
引文
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[6]夏军,王成善,李秀华,等.海拉尔及其邻区中生代火山岩的特征与边缘陆块型火山岩的提出[J].成都地质学院学报,1993(4):67-80.
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[10]王雄,陈跃军,李勇,等.大兴安岭中北段塔尔气地区早白垩世白音高老组火山岩地球化学特征及意义[J].世界地质,2015,34(1):25-33.
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[15]郭锋,范蔚茗,王岳军,等.大兴安岭南段晚中生代双峰式火山作用[J].岩石学报,2001(1):161-168.
[16]葛文春,李献华,林强,等.呼伦湖早白垩世碱性流纹岩的地球化学特征及其意义[J].地质科学,2001(2):176-183.
[17]苟军,孙德有,赵忠华,等,满洲里南部白音高老组流纹岩锆石U-Pb定年及岩石成因[J].岩石学报,2010,26(1):333-344.
[18]刘俊杰,鞠文信,赵九峰,等.大兴安岭根河岩区晚侏罗世火山岩特征及构造环境探讨[J].华南地质与矿产,2006(1):38-46.
[19]赵书跃,韩彦东,朱春燕,等.大兴安岭火山喷发带北段中性、中酸性火山岩地球化学特征及其地质意义[J].地质力学学报,2004(3):276-287.
[20]Wilson M.Magmatism and the geodynamics of basin formation[J].Sedimentary Geology,1993,86(1-2):5-29.
[21]Wang F,Zhou X H,Zhang L C,et al.Late Mesozoic volcanism in the Great Xing’an Range(NE China):Timing and implications for the dynamic setting of NE Asia[J].Earth&Planetary Science Letters,2006,251(1-2):179-198.
[22]赵忠华,孙德有,苟军,等.满洲里南部塔木兰沟组火山岩年代学与地球化学[J].吉林大学学报(地球科学版),2011,41(6):1865-1880.
[23]王杰,姚玉来,丁秋红,等.内蒙古扎鲁特旗地区晚侏罗世火山岩岩石学及地球化学特征[J].地质科技情报,2014,33(6):18-27.
[24]华杉,张晓军,袁林,等.大兴安岭东沟营林站地区中生代火山岩地质地球化学特征及其成因意义[J].地质科技情报,2010,29(3):32-40.
[25]张玉涛,张连昌,周新华,等.大兴安岭北段牙克石地区玄武质火山岩的元素、同位素地球化学特征及其地质意义[J].地质通报,2008(1):112-120.
[26]McDonough W F,Sun S S.The composition of the Earth[J].Chemical Geology,1995,120(3-4):223-253.
[27]Pearce J A.The role of sub-continental lithosphere in magma genesis at destructive plate margins[J].Continental Basalts&Mantle Xenoliths,1983,147(6):2162-2173.
[28]赵磊,高福红,张彦龙,等.海拉尔盆地中生代火山岩锆石U-Pb年代学及其地质意义[J].岩石学报,2013,29(3):864-874.
[29]张玉涛,张连昌,英基丰,等.大兴安岭北段塔河地区早白垩世火山岩地球化学及源区特征[J].岩石学报,2007(11):2811-2822.
[30]谢鸣谦.拼贴板块构造及其驱动机理:中国东北及邻区的大地构造演化[M].北京:科学出版社,2000:137-178.
[31]孙德有,苟军,任云生,等.满洲里南部玛尼吐组火山岩锆石U-Pb年龄与地球化学研究[J].岩石学报,2011,27(10):3083-3094.
[32]Zhang J H,Gao S,Ge W C,et al.Geochronology of the Mesozoic volcanic rocks in the Great Xing’an Range,northeastern China:Implications for subduction-induced delamination[J].Chemical Geology,2010,276(3):144-165.
[33]Fan W M,Guo F,Wang Y J,et al.Late Mesozoic calc-alkaline volcanism of post-orogenic extension in the northern Da Hinggan Mountains,Northeastern China[J].Journal of Volcanology&Geothermal Research,2003,121(1):115-135.
[34]张乐彤,李世超,赵庆英,等.大兴安岭中段白音高老组火山岩的形成时代及地球化学特征[J].世界地质,2015,34(1):44-54.
[35]Ying J F,Zhou X H,Zhang L C,et al.Geochronological framework of Mesozoic volcanic rocks in the Great Xing’an Range,NE China,and their geodynamic implications[J].Journal of Asian Earth Sciences,2010,39(6):786-793.
[36]Eby G N.Chemical subdivision of the A-type granitoids:Petrogenetic and tectonic implications[J].Geology,1992,20(7):641.
[37]Pearce J A,Harris N B W,Tindle A G.Trace Element Discrimination Diagrams for the Tectonic Interpretation of Granitic Rocks[J].Journal of Petrology,1984,25(4):956-983.
[2]张吉衡.大兴安岭中生代火山岩年代学及地球化学研究[D].北京:中国地质大学,2009:9-33.
[3]葛文春,林强,孙德有,等.大兴安岭中生代两类流纹岩成因的地球化学研究[J].地球科学,2000(2):172-178.
[4]林强,葛文春,孙德有,等.中国东北地区中生代火山岩的大地构造意义[J].地质科学,1998(2):3-13.
[5]赵国龙,杨桂林,傅嘉友,等.大兴安岭中南部中生代火山岩[M].北京:北京科学技术出版社,1989:1-260.
[6]夏军,王成善,李秀华,等.海拉尔及其邻区中生代火山岩的特征与边缘陆块型火山岩的提出[J].成都地质学院学报,1993(4):67-80.
[7]Maitre R W L.A Classification of igneous rocks and glossary of terms:recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks[M].Blackwell,1989.
[8]Peccerillo A,Taylor S R.Geochemistry of eocene calc-alkaline volcanic rocks from the Kastamonu area,Northern Turkey[J].Contributions to Mineralogy&Petrology,1976,58(1):63-81.
[9]Middlemost E A K.Magmas and Magmatic Rocks[M].London:Longman,1985:1-266.
[10]王雄,陈跃军,李勇,等.大兴安岭中北段塔尔气地区早白垩世白音高老组火山岩地球化学特征及意义[J].世界地质,2015,34(1):25-33.
[11]Taylor S R,McLennan S M.The continental crust:Its composition and evolution[M].Blackwell:Oxford Preess,1985:1-312.
[12]Sun S S,McDonough W F.Chemical and isotopic systematics of oceanic basalts:Implications for mantle composition and processes[C]∥Saunders A D,Norry M J,eds.Magmatism in the Ocean Basins.Geological Society,London,Special Publications,1989,42:313-345.
[13]葛文春,林强,李献华,等.大兴安岭北部伊列克得组玄武岩的地球化学特征[J].矿物岩石,2000(3):14-18.
[14]林强,葛文春,曹林,等.大兴安岭中生代双峰式火山岩的地球化学特征[J].地球化学,2003(3):208-222.
[15]郭锋,范蔚茗,王岳军,等.大兴安岭南段晚中生代双峰式火山作用[J].岩石学报,2001(1):161-168.
[16]葛文春,李献华,林强,等.呼伦湖早白垩世碱性流纹岩的地球化学特征及其意义[J].地质科学,2001(2):176-183.
[17]苟军,孙德有,赵忠华,等,满洲里南部白音高老组流纹岩锆石U-Pb定年及岩石成因[J].岩石学报,2010,26(1):333-344.
[18]刘俊杰,鞠文信,赵九峰,等.大兴安岭根河岩区晚侏罗世火山岩特征及构造环境探讨[J].华南地质与矿产,2006(1):38-46.
[19]赵书跃,韩彦东,朱春燕,等.大兴安岭火山喷发带北段中性、中酸性火山岩地球化学特征及其地质意义[J].地质力学学报,2004(3):276-287.
[20]Wilson M.Magmatism and the geodynamics of basin formation[J].Sedimentary Geology,1993,86(1-2):5-29.
[21]Wang F,Zhou X H,Zhang L C,et al.Late Mesozoic volcanism in the Great Xing’an Range(NE China):Timing and implications for the dynamic setting of NE Asia[J].Earth&Planetary Science Letters,2006,251(1-2):179-198.
[22]赵忠华,孙德有,苟军,等.满洲里南部塔木兰沟组火山岩年代学与地球化学[J].吉林大学学报(地球科学版),2011,41(6):1865-1880.
[23]王杰,姚玉来,丁秋红,等.内蒙古扎鲁特旗地区晚侏罗世火山岩岩石学及地球化学特征[J].地质科技情报,2014,33(6):18-27.
[24]华杉,张晓军,袁林,等.大兴安岭东沟营林站地区中生代火山岩地质地球化学特征及其成因意义[J].地质科技情报,2010,29(3):32-40.
[25]张玉涛,张连昌,周新华,等.大兴安岭北段牙克石地区玄武质火山岩的元素、同位素地球化学特征及其地质意义[J].地质通报,2008(1):112-120.
[26]McDonough W F,Sun S S.The composition of the Earth[J].Chemical Geology,1995,120(3-4):223-253.
[27]Pearce J A.The role of sub-continental lithosphere in magma genesis at destructive plate margins[J].Continental Basalts&Mantle Xenoliths,1983,147(6):2162-2173.
[28]赵磊,高福红,张彦龙,等.海拉尔盆地中生代火山岩锆石U-Pb年代学及其地质意义[J].岩石学报,2013,29(3):864-874.
[29]张玉涛,张连昌,英基丰,等.大兴安岭北段塔河地区早白垩世火山岩地球化学及源区特征[J].岩石学报,2007(11):2811-2822.
[30]谢鸣谦.拼贴板块构造及其驱动机理:中国东北及邻区的大地构造演化[M].北京:科学出版社,2000:137-178.
[31]孙德有,苟军,任云生,等.满洲里南部玛尼吐组火山岩锆石U-Pb年龄与地球化学研究[J].岩石学报,2011,27(10):3083-3094.
[32]Zhang J H,Gao S,Ge W C,et al.Geochronology of the Mesozoic volcanic rocks in the Great Xing’an Range,northeastern China:Implications for subduction-induced delamination[J].Chemical Geology,2010,276(3):144-165.
[33]Fan W M,Guo F,Wang Y J,et al.Late Mesozoic calc-alkaline volcanism of post-orogenic extension in the northern Da Hinggan Mountains,Northeastern China[J].Journal of Volcanology&Geothermal Research,2003,121(1):115-135.
[34]张乐彤,李世超,赵庆英,等.大兴安岭中段白音高老组火山岩的形成时代及地球化学特征[J].世界地质,2015,34(1):44-54.
[35]Ying J F,Zhou X H,Zhang L C,et al.Geochronological framework of Mesozoic volcanic rocks in the Great Xing’an Range,NE China,and their geodynamic implications[J].Journal of Asian Earth Sciences,2010,39(6):786-793.
[36]Eby G N.Chemical subdivision of the A-type granitoids:Petrogenetic and tectonic implications[J].Geology,1992,20(7):641.
[37]Pearce J A,Harris N B W,Tindle A G.Trace Element Discrimination Diagrams for the Tectonic Interpretation of Granitic Rocks[J].Journal of Petrology,1984,25(4):956-983.
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