代友旭;张新勇;阎琨;李路路;杨宝忠;赵志刚;周千;孙志佳;王兵;高虎;

• 1:中国人民武装警察部队黄金第七支队
• 2:中国地质大学(武汉)地球科学学院
• 3:中陕核工业集团地质调查研究院有限公司

摘要(Abstract)：

新疆柯坪地区玄武岩是塔里木盆地早二叠世大火成岩省北部重要的组成部分。通过对柯坪盖孜力克乡南部下二叠统巴立克立克组(P1b)中的玄武岩夹层进行锆石U-Pb定年及地球化学分析,获得年龄为(287.6±5.5)Ma,表明该玄武岩为塔里木盆地早二叠世岩浆活动的产物。地球化学特征表明,玄武岩w(SiO_2)为46.15%~48.64%,w(MgO)为2.87%~4.23%,w(Na_2O)-2%

关键词(KeyWords)： 玄武岩;早二叠世;年代学;地球化学;地质意义;柯坪

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局项目“西南天山柯坪地区六幅地质矿产综合调查”(1212011504201)

作者(Author): 代友旭;张新勇;阎琨;李路路;杨宝忠;赵志刚;周千;孙志佳;王兵;高虎;

Email:

DOI:

参考文献(References)：

• [1]Bryan S E,Ernst R E.Revised definition of Large Igneous Provinces(LIPs)[J].Earth-Science Reviews,2008,86(1/4):175-202.
• [2]Tian W,Campbell I H,Allen C M,et al.The Tarim picrite-basalts-rhyolite suite,a Permian flood basalt from northwest China with contrasting rhyolites produced by fractional crystallization and anatexis[J].Contributions to Mineralogy and Petrology,2010,160(3):407-425.
• [3]Zhang C L,Xu Y G,Li Z X,et al.Diverse Permian magmatism in the Tarim Block,NW China:Genetically linked to the Permian Tarim mantle plume[J].Lithos,2010,119(3/4):537-552.
• [4]Li Z L,Chen H L,Song B,et al.Temporal evolution of the Permian Large Igneous Province in Tarim Basin in northwestern China[J].Journal of Asian Earth Sciences,2011,42(5):917-927.
• [5]Pirajno F.The geology and tectonic settings of China′s mineral deposits[M].Dordrecht:Springer,2013:1-679.
• [6]杨树锋,陈汉林,董传万,等.塔里木盆地二叠纪正长岩的发现及其地球动力学意义[J].地球化学,1996,25(2):121-128.
• [7]杨树锋,陈汉林,冀登武,等.塔里木盆地早-中二叠世岩浆作用过程及地球动力学意义[J].高校地质学报,2005,11(4):504-511.
• [8]杨树锋,厉子龙,陈汉林,等.塔里木二叠纪石英正长斑岩岩墙的发现及其构造意义[J].岩石学报,2006,22(5):1405-1412.
• [9]杨树锋,余星,陈汉林,等.塔里木盆地巴楚小海子二叠纪超基性脉岩的地球化学特征及其成因探讨[J].岩石学报,2007,23(5):1087-1096.
• [10]陈汉林,杨树锋,董传万,等.塔里木盆地地质热事件研究[J].科学通报,1997,42(10):1096-1099.
• [11]陈汉林,杨树锋,董传万,等.塔里木盆地二叠纪基性岩带的厘定及其大地构造意义[J].地球化学,1997,26(6):77-87.
• [12]陈汉林,杨树锋,贾承造,等.塔里木盆地北部二叠纪中酸性火成岩带的厘定及其对塔北构造演化的新认识[J].矿物学报,1998,18(3):370-376.
• [13]陈汉林,杨树锋,王清华,等.塔里木板块早-中二叠世玄武质岩浆作用的沉积响应[J].中国地质,2006,33(3):545-552.
• [14]陈汉林,杨树锋,厉子龙,等.塔里木盆地二叠纪大火成岩省发育的时空特点[J].新疆石油地质,2009,30(2):179-182.
• [15]姜常义,张蓬勃,卢登蓉,等.柯坪玄武岩的岩石学、地球化学、Nd、Sr、Pb同位素组成与岩石成因[J].地质论评,2004,50(5):493-500.
• [16]Yang S F,Li Z L,Chen H L,et al.Discovery of a Permian quartz syenitic porphyritic dyke form the Tarim Basin and its tectonic implications[J].Acta Petrologica Sinica,2006,22(5)1405-1412.
• [17]Yang S F,Li Z L,Chen H L,et al.Permian bimodal dyke of Tarim Basin,NW Chian:Geochemical characteristics and tectonic implications[J].Gondwana Research,2007,12(1/2):113-120.
• [18]李勇,苏文,孔屏,等.塔里木盆地塔中-巴楚地区早二叠世岩浆岩的LA-ICP-MS锆石U-Pb年龄[J].岩石学报,2007,23(5):1097-1107.
• [19]厉子龙,杨树锋,陈汉林,等.塔西南玄武岩年代学和地球化学特征及其对二叠纪地幔柱岩浆演化的制约[J].岩石学报,2008,24(5):959-970.
• [20]Zhang C L,Li X H,Li Z X,et al.A Permian layered intrusive complex in the western Tarim Block,northwestern China:Product of a ca.275 Ma mantle plume[J].Journal of Geology,2008,116(3):269-287.
• [21]Zhang Y T,Liu J Q,Guo Z F.Permian basaltic rocks in the Tarim basin,NW China:Implications for plume-lithosphere interaction[J].Gondwana Research,2010,18(4):596-610.
• [22]余星.塔里木早二叠世大火成岩省的岩浆演化与深部地质作用[D].杭州:浙江大学,2009.
• [23]余星,陈汉林,杨树锋,等.塔里木盆地二叠纪玄武岩的地球化学特征及其与峨眉山大火成岩省的对比[J].岩石学报,2009,25(6):1492-1498.
• [24]余星,陈汉林,杨树锋,等.新疆柯坪二叠纪层状玄武岩的发育特征及其地质意义[J].地层学杂志,2010,34(2):127-134.
• [25]Zhou M F,Zhao J H,Jiang C Y,et al.OIB-like,heterogeneous mantle sources of Permian basaltic magmatism in the western Tarim Basin,NW China:Implications for a possible Permian Large Igneous Province[J].Lithos,2009,113(3/4):583-594.
• [26]陈咪咪,田伟,张自力,等.塔里木二叠纪基性-中性-酸性岩浆岩的年代学及其地质意义[J].岩石学报,2010,26(2):559-572.
• [27]张达玉,周涛发,袁峰,等.塔里木柯坪地区库普库兹曼组玄武岩锆石LA-ICPMS年代学、Hf同位素特征及其意义[J].岩石学报,2010,26(3):963-974.
• [28]上官时迈,田伟,李献华,等.塔北哈拉哈塘流纹岩的离子探针锆石U-Pb年代学:对塔里木溢流玄武岩主期喷发时代的约束[J].北京大学学报:自然科学版,2011,47(3):561-564.
• [29]上官时迈,田伟,徐义刚,等.塔里木溢流玄武岩的喷发特征[J].岩石学报,2012,28(4):1261-1272.
• [30]位荀,徐义刚.塔里木巴楚小海子正长岩杂岩体的岩石成因探讨[J].岩石学报,2011,27(10):2984-3004.
• [31]于峻川,莫宣学,董国臣,等.塔里木北部二叠纪长英质火山岩年代学及地球化学特征[J].岩石学报,2011,27(7):2184-2194.
• [32]Li Z L,Li Y Q,Chen H L,et al.Hf isotopic characteristics of the Tarim Permian large igneous province rocks of NW China:Implication for the magmatic source and evlution[J].Journal of Asian Earth Sciences,2012,49:191-202.
• [33]Yu J C,Mo X X,Dong G C,et al.Felsic volcanic rocks from northern Tarim,NW China:Zricon U-Pb dating and geochemical characteristics[J].Acta Petrologica Sinica,2011,27(7):2184-2194.
• [34]Yu J C,Mo X X,Yu X H,et al.Geochemical characteristics and petrogenesis of Permian basaltic rock in Keping area,Western Tarim basin:A record of plumelithosphere interaction[J].Journal of Earth,2012,23(4):442-454.
• [35]励音骐.塔里木早二叠世大火成岩省岩浆动力学及含矿性研究[D].杭州:浙江大学,2013.
• [36]贾承造,魏国齐,王良书.中国塔里木盆地构造特征与油气[M].北京:石油工业出版社,1997:156-170.
• [37]Wang Z H.Tectonic evolution of the western Kunlun orogenic belt,western China[J].Journal of Asian Earth Sciences,2004,24(4):153-161.
• [38]Liu Y S,Hu Z C,Gao S,et al.In situanalysis of major and trace elements of anhydrous minerals by LA-ICP-MS without applying an internal standard[J].Chem.Geol.,2008,257:34-43.
• [39]Ludwing K R.Isoplot/Ex version 3.00.A Geochronological Toolkit for Microsoft Excel[J].Berkeley Geochronology Center Special Publication,2003,4:1-70.
• [40]Hoskin P W O,Black L P.Metamorphic zircon formation by solid-state recrystallization of protolith igneous zircon[J].Journal of Metamorphic Geology,2000,18:423-439.
• [41]Le Bas M J,Le Maitre R W,Streckeisen A,et al.A chemical classification of volcanic rocks based on the Total Alkali-Silica diagram[J].Journal of Petrology,1986,27:745-750.
• [42]Winchester J A,Floyd P A.Geochemical discrimination of different magma series and their differentiation products using immobile elements[J].Chem.Geol.,1977,20:325-343.
• [43]Miller C,Schuster R,Klotzli U,et al.Post-collisional potassic and ultrapotassic magmatism in SW Tibet:Geochemical and Sr-Nd-Pb-O isotopic constraints for mantle source characteristics and petrogenesis[J].Journal of Petrology,1999,40:1399-1424.
• [44]Hastie A R,Kerr A C,Pearce J A,et al.Classification of altered volcanic island arc rocks using immobile trace element:Development of the Th-Co discrimination diagram[J].Journal of Petrology,2007,48:2341-2357.
• [45]Rock N M S.Iamprophyres.The global occurrence petrology,originand economic significance of some rocks of deep origin[M].Glasgow:Blackie&Sonslid,1990:1-285.
• [46]Taylor S R,Mclennan S M.The continental crust:Its composition and evolution[M].Oxford:Blackwell,1985:1-312.
• [47]Sun S S,McDonough W F.Chemical and isotope systematic of oceanic basalts:Implications for mantle composition and processes[J].Magmatism in Oceanic Basins,1989,42:313-345.
• [48]Boynton W V.Geochemistry of the rare earth elements:Meteorites-tudies[C]∥Henderson P.Rare earth element geochemistry.Amsterdam:Elsevier,1984,20:63-114.
• [49]张贵山,温汉捷,裘愉桌.闽西晚中生代基性岩脉的地球化学研究[J].地球化学,2004,33(3):243-253.
• [50]Hofmann A W,Jochum K P,Seufert M,et al.Nd and Pb in oceanic basalts:New constraints on mantle evolution[J].Earth Planet.Sci.Lett.,1986,79:33-45.
• [51]Woodhead J D,McCulloch M T.Ancient seafloor signals in Pitcarin Island lavas and evidence for large amplitude,small lengthscale mantle heterogeneities[J].Earth Planet.Sci.Lett.,1989,94(3):257-273.
• [52]Taylor S R,Mclennan S M.The geochemical evolution of the continental crust[J].Rev.Geophys.,1995,33(2):241-265.
• [53]张洪安,李曰俊,吴根耀,等.塔里木盆地二叠纪火成岩的同位素年代学[J].地质科学,2009,44(1):137-158.
• [54]Zhang C L,Li Z X,Li X H,et al.A Permian Large Igneous Province in Tarim and Central Asian orogenic belt,NW China:Results of a ca.275 Ma mantle plume[J].Geol.Soc.America Bull.,2010,122:2020-2040.
• [55]Li Z L,Li Y Q,Chen H L,et al.Hf isotopic characteristics of the Tarim Permian large igneous province rocks of NW China:Implication for the magmatic source and evlution[J].Journal of Asian Earth Sciences,2011,38:56-64.
• [56]Yu X,Yang S F,Chen H L,et al.Permian flood basalts from the Tarim Basin,Northwest China:SHRIMP zircon U-Pb dating and geochemical characteristics[J].Gondwana Research,2011,20(2/3):485-497.
• [57]胡霭琴,王中刚,涂光炽,等.新疆北部地质演化及成矿规律[M].北京:科学出版社,1997:1-231.
• [58]Pearce J A,Norry M J.Petrogenetic implications of Ti,Zr,Y and Nb Variations in volcanic rocks[J].Contributions to Mineralogy and Petrology,1979,69(1):33-37.
• [59]Deniel C.Geochemical and isotopic(Sr-Nd-Pb)evidence for plume-lithosphere interactions in the genesis of Grand Comore magmas(Indian Ocean)[J].Chem.Geol.,1998,144:281-303.
• [60]Pearce J A,Norry M J.Petrogenetic implications of Ti,Zr,Y and Nb variations in volcanic rocks[J].Contributions to Mineralogy Petrology,1979,69:33-47
• [61]Mescheede M.A method of discriminating between different types of mid-ocean ridge basalts and continental tholeiites with the Nb-Zr-Y diagram[J].Chem.Geol.,1986,56:207-218.
• [62]Li Z X,Bogdanova S V,Collins A S,et al.Assembly,configuration,and break-up history of Rodinia:A synthesis[J].Precambrian Research,2008,160(1/2):179-210.
• [63]Gao X F,Lu X B,Liu S T,et al.LA-ICP-MS Zircon dating,geochemistry,petrogenesis and tectonic implications of the Dapingliang Neoproterozoic granites at Kuluketage block,NW China[J].Precambrian Research,2011,186(1/4):205-219.
• [64]He Z Y,Zhang Z M,Zong K Q,et al.Neoproterozoic granulites from the northeastern margin of the Tarim Carton:Petrology,zircon U-Pb ages and implications for the Rodinia assembly[J].Precambrian Research,2012,212/213:21-33.
• [65]Zhang C L,Li X H,Li Z X,et al.Neoproterozoic ultramaficmafic-carbonatite complex and granitoids in Quruqtagh of northeastern Tarim Block,western China:Geochronology,geochemistry and tectonic implications[J].Precambrian Research,2007,152(3/4):149-169.
• [66]Wei X,Xu Y G,Feng Y X,et al.Plume-lithosphere interaction in the generation of the Tarim large igneous province,NW China:Geochronological and geochemical constraints[J].American Journal of Science,in revision,2014,314(1):314-352.
• [67]Arndt N T,Christensen U.The role of lithospheric mantle in continental flood volcanism:Thermal and geochemical constraints[J].Journal of Geophysical Research,1992,97(B7):10967-10981.
• [68]Gallagher K,Hawkesworth C.Dehydration melting and the generation of continental flood basalts[J].Nature,1992,358:57-59.
• [69]Turner S,Hawkesworth C,Gallagher K,et al.Mantle plumes,flood basalts,and thermal models for melt generation beneath continents:Assessment of a conductive heating model and application to the Parana[J].Journal of Geophysical Research,1996,101(B5):11503-11518.
• [70]安美建,石耀霖.中国大陆岩石圈厚度分布研究[J].地学前缘,2006,13(3):23-30.
• [71]Liu S W,Wang L S,Li C,et al.Thermal-rheological structure of lithosphere beneath the northern flank of Tarim Basin,Western China:Implications for geodynamics[J].Science in China(Series D),Earth Sciences,2004,47(7):659-672.
• [72]Priestley K,Debayle E,McKenzie D,et al.Upper mantle structure of eastern Asia form multimode surface waveform tomography[J].Journal of Geophysical Research-Solid Earth,2006,111(B10):158-171.
• [73]Davies G F.Thermomechanical erosion of the lithosphere by mantle plumes[J].Journal of Geophysical Research,1994,99(B8):15709-15722.
• [74]Foley S F.Rejuvenation and erosion of the cratonic lithosphere[J].Nature Geoscience,2008,1(8):503-510.
• [75]Jourdan F,Bertrand H,Scharer U,et al.Major and trace element and Sr,Nd,Hf,and Pb isotope compositions of the Karoo Large Igneous Province,Botswana-Zimbabwe:Lithosphere vs mantle plume contribution[J].Journal of Petrology,2007,48(6):1043-1077.
• [76]Sleep N H,Ebinger C J,Kendall J M.Deflection of mantle plume material by cratonic keels[C]∥Fowler C M R,Ebinger C J,Hawkesworth C J.Early earth:Physical,chemical and biological development[J].Geological Society,London,Special Publication,2002,199(1):135-150.