宋春彦;王剑;付修根;陈文彬;谢尚克;何利;

• 1:中国地质调查局成都地质调查中心

• 2:国土资源部沉积盆地与油气资源重点实验室

摘要(Abstract)：

利用磷灰石裂变径迹测年方法,研究青藏高原腹地羌塘盆地中央隆起带的杂岩体隆升与剥蚀。结果表明:研究区15件磷灰石裂变径迹样品的表观年龄为(57.0±5.0)～(118.0±7.0)Ma,混合年龄分解的峰年龄为(33.0±6.0)～(132.0±7.0)Ma;结合磷灰石裂变径迹热演化史反演结果,羌塘盆地的构造隆升主要发生于早白垩世、晚白垩世和新生代,其中晚白垩世(100.0～80.0Ma)是构造隆升的主体阶段,构造隆升剥蚀的厚度约为3.200km。该结果对青藏高原腹地的隆升过程研究具有参考意义。

关键词(KeyWords)：青藏高原;羌塘盆地;白垩纪;隆升剥蚀作用;热年代学;磷灰石裂变径迹

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41502112);; 中国地质调查局项目(DD20160159)

作者(Author):宋春彦;王剑;付修根;陈文彬;谢尚克;何利;

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参考文献(References)：

• [1]Murphy M A,Yin A,Harrison T M,et al.Did the Indo-Asian collision alone create the Tibetan Plateau[J].Geology,1997,25:719-722.

• [2]Kapp P,Yin A,Harrison T M,et al.Cretaceous-Tertiary shortening,basin development,and volcanism in central Tibet[J].Geological Society of America Bulletin,2005,117(7/8):865-878.

• [3]Zhang K J,Zhang Y X,Tang X C,et al.Late Mesozoic tectonic evolution and growth of the Tibetan Plateau prior to the Indo-Asian collision[J].Earth-Science Reviews,2012,114:236-249.

• [4]Li Y L,Wang C S,Dai J G,et al.Propagation of the deformation and growth of the Tibetan-Himalayan orogen:A review[J].EarthScience Reviews,2015,143:36-61.

• [5]Wang Y,Zhang X,Sun L,et al.Cooling history and tectonic exhumation stages of the south-central Tibetan Plateau(China):Constrained by 40 Ar/39 Ar and apatite fission track thermochronology[J].Journal of Asian Earth Sciences,2007,29:266-282.

• [6]Song C Y,Wang J,Fu X G,et al.Mesozoic and Cenozoic cooling history of the Qiangtang block,northern Tibet,China:New constraints from apatite and zircon fission track data[J].Terrestrial,Atmospheric and Oceanic Sciences Joural,2013,24(6):985-998.

• [7]宋春彦,王剑,谭富文,等.青藏高原腹地羌塘盆地白垩纪快速隆升的锆石裂变径迹测年证据[J].矿物岩石,2014,34(2):77-84.Song Chunyan,Wang Jian,Tan Fuwen,et al.Cretaceous rapid uplift of the Qiangtang basin in the central Tibe:Evidence from the zircon fission track dating[J].Journal of Mineralogy and Petrology,2014,34(2):77-84.

• [8]王立成,魏玉帅.西藏羌塘盆地白垩纪中期构造事件的磷灰石裂变径迹证据[J].岩石学报,2013,29(3):1039-1047.Wang Licheng,Wei Yushuai.Apatite fission track thermochronology evidence for the mid-Cretaceous tectonic event in the Qiangtang basin,Tibet[J].Acta Petrologica Sinica,2013,29(3):1039-1047.

• [9]Ren Z L,Cui J P,Liu C Y,et al.Apatite fission track evidence of uplift cooling in the Qiangtang basin and constraints on the Tibetan Plateau uplift[J].Acta Geologica Sinica,2015,89(2):467-484.

• [10]任战利,崔军平,刘池洋,等.西藏羌塘盆地抬升冷却历史及意义[J].石油实验地质,2016,38(1):15-22.Ren Zhanli,Cui Junping,Liu Chiyang,et al.Uplift and cooling history of Qiangtang basin and its significance[J].Petroleum Geology&Experiment,2016,38(1):15-22.

• [11]王剑,丁俊,王成善,等.青藏高原油气资源战略选区调查与评价[M].北京:地质出版社,2009.Wang Jian,Ding Jun,Wang Chengshan,et al.Investigation and evaluation of the Qinghai-Tibet Plateau oil and gas resources strategy constituency[M].Bejing:Geological Publishing House,2009.

• [12]万友利,王剑,谭富文,等.羌塘盆地隆鄂尼-昂达尔错地区布曲组白云岩储层成因及孔隙演化特征[J].东北石油大学学报,2017,41(3):21-36.Wan Youli,Wang Jian,Tan Fuwen,et al.Dolomite reservoir formation mechanism and pore evolution feature of the Buqu formation in the Longeni-Angdaerco area,Qiangtang basin[J].Journal of Northeast Petroleum University,2017,41(3):21-36.

• [13]宋春彦,王剑,付修根,等.羌塘盆地东部上三叠统巴贡组烃源岩特征及意义[J].东北石油大学学报,2018,42(5):104-114.Song Chunyan,Wang Jian,Fu Xiugen,et al.Geochemical characteristics and the significances of the upper Triassic hydrocarbon source rocks of the Bagong formation in the eastern Qiangtang basin[J].Journal of Northeast Petroleum University,2018,42(5):104-114.

• [14]黄亚男,张树林,沈雷,等.西藏措勤盆地中生代油气保存条件研究[J].特种油气藏,2009,16(1):35-37.Huang Yanan,Zhang Shulin,Shen Lei,et al.Study on Mesozoic hydrocarbon preservation conditions in Cuoqu basin of Tibet[J].Special Oil&Gas Reservoirs,2009,16(1):35-37.

• [15]李一腾,叶加仁,曹强,等.西藏伦坡拉盆地原油地球化学特征[J].特种油气藏,2016,23(3):71-74.Li Yiteng,Ye Jiaren,Cao Qiang,et al.Geochemical analysis of oil in Lunpola basin,Tibet[J].Special Oil&Gas Reservoirs,2016,23(3):71-74.

• [16]王剑,谭富文,李亚林,等.青藏高原重点沉积盆地油气资源潜力分析[M].北京:地质出版社,2004.Wang Jian,Tan Fuwen,Li Yalin,et al.The potential of the oil and gas resources in major sedimentary basins on the Qinghai-Xizang Plateau[M].Bejing:Geological Publishing House,2004.

• [17]Li Y L,He J,Wang C S,et al.Late Cretaceous K-rich magmatism in central Tibet:Evidence for early elevation of the Tibetan Plateau[J].Lithos,2013,160-161:1-13.

• [18]李静超,赵中宝,郑艺龙,等.古特提斯洋俯冲碰撞在南羌塘的岩浆岩证据:西藏荣玛乡冈塘错花岗岩[J].岩石学报,2015,31(7):2078-2088.Li Jingchao,Zhao Zhongbao,Zheng Yilong,et al.The magmatite evidences in southern Qiangtang for paleo-Tethys ocean subducting collision:Gangtang-co granites in Rongma,Tibet[J].Acta Petrologica Sinica,2015,31(7):2078-2088.

• [19]袁万明,杜杨松,杨立强,等.西藏冈底斯带南木林地区构造活动的磷灰石裂变径迹分析[J].岩石学报,2007,23(11):2911-2917.Yuan Wanming,Du Yangsong,Yang Liqiang,et al.Apattie fission track studies on the tectonics in Nanmulin area of Gangdese terrane,Tibet Plateau[J].Acta Perologica Sinica,2007,23(11):2911-2917.

• [20]Fitzgerald P G,Sorkhabi R B,Redfield T F,et al.Uplift and denudation of the central Alaska range:A case study in the use of apatite fission-track thermochronology to determine absolute uplift parameters[J].Journal Geophysica Research,1995,100:20175-20191.

• [21]Galbraith R F,Green P F.Estimating the component ages in a finite mixture[J].International Journal of Radiation Applications and Instrumentation Part D.Nuclear Tracks and Radiation Measurements,1990,17(3):197-206.

• [22]Gleadow A J W,Duddy I R,Green P F,et al.Confined fissiontrack lengths in apatite:A diagnostic tool for thermal historyanalysis[J].Contributions to Mineralogy and Petrology,1986,94(4):405-415.

• [23]袁万明,董金泉,王世成,等.东昆仑南部带磷灰石裂变径迹分析的地质意义[J].核技术,2005,28(9):707-711.Yuan Wanming,Dong Jinquan,Wang Shicheng,et al.Apatite fission track analysis for revealing tectonic evolution of the southblock in eastern Kunlun mountains,northern Qinghai-Tibet Plateau[J].Nuclear Techniques,2005,28(9):707-711.

• [24]袁万明,张雪亭,董金泉,等.东昆仑隆升作用的裂变径迹研究[J].原子能科学技术,2004,38(2):166-168.Yuan Wanming,Zhang Xueting,Dong Jinquan,et al.Apatite fission track evidence on theuplifting of eastern Kunlun mountains[J].Atomic Energy Science and Technology,2004,38(2):166-168.

• [25]Galbraith R F.On statistical models for fission track counts[J].Journal of Mathematical Geology,1981,13(6):471-478.

• [26]Ketcham R A,Donelick R A,Carlson W D.Variability of apatite fission-track annealing kineticsⅢ:Extrapolation to geological time scales[J].American Mineralogist,1999,84(9):1235-1255.

• [27]Kapp P,DeCelles P G,Gehrels G E,et al.Geological records of the Lhasa-Qiangtang and Indo-Asian collisions in the Nima area of central Tibet[J].Geological Society of America Bulletin,2007,119(7-8):917-932.

• [28]莫宣学,潘桂棠.从特提斯到青藏高原形成:构造-岩浆事件的约束[J].地学前缘,2006,13(6):43-51.Mo Xuanxue,Pan Guitang.From the Tethys to the formation of the Qinghai-Tibet Plateau:Constrained by tectono-magmatic events[J].Earth Science Frontiers,2006,13(6):43-51.

• [29]Li Y L,He J,Han Z P,et al.Late Jurassic sodium-rich adakitic intrusive rocks in the southern Qiangtang terrane,central Tibet,and their implications for the Bangong-Nujiang ocean subduction[J].Lithos,2016,245:34-46.

• [30]陈文彬,贺永忠,占王忠,等.藏北南羌塘安多县鄂斯玛地区早白垩世孢粉化石Dicheiropollis的发现及其地质意义[J].地质通报,2012,31(10):1602-1607.Chen Wenbin,He Yongzhong,Zhan Wangzhong,et al.The discovery of Dicheiropollis in Esima area of southern Qiangtang basin,Tibet,and its geological significance[J].Geological Bulletin of China,2012,31(10):1602-1607.

• [31]Xiao X C,Li T D.Tectonic evolution and uplift of the Qinghai-Tibet Plateau:An introduction to the project of the Eighth Five-Year Plan carried out by the Institute of Geology and Chengdu Institute of Geology,CAGS[J].Continental Dynamics,1997,2(1):83-86.

• [32]段志明,李勇,祝向平,等.藏北唐古拉山木乃花岗岩地壳隆升的裂变径迹证据[J].矿物岩石,2009,29(2):61-65.Duan Zhiming,Li Yong,Zhu Xiangping,et al.Fission track age evidence of granite crustal uplift in the Munai,Tangula range,Qiangtang,northen Tibet[J].Journal Mineral Petrol,2009,29(2):61-65.

• [33]于俊秋,吴珍汉,赵珍,等.藏北改则康托盆地逆冲推覆构造磷灰石裂变径迹年代学制约[J].地质通报,2018,37(6):987-995.Yu Junqiu,Wu Zhenhan,Zhao Zhen,et al.Apatite fission track constraint on thrust faults in Kangtuo basin,northern Tibet[J].Geological Bulletin of China,2018,37(6):987-995.

• [34]Molnar P,Tapponnier P.Cenozoic tectonics of Aisia,effets of a continental collision[J].Science,1975,189:419-426.

• [35]钟大赉,丁林.青藏高原的隆起过程及其机制探讨[J].中国科学(D辑:地球科学),1996,26(4):289-295.Zhong Dalai,Ding Lin.Rising process of the Qinghai-Xizang(Tibet)plateau and its mechanism[J].Science China(D:Earth Sciences),1996,26(4):289-295.

• [36]Chung S L,Chu M F,Zhang Y Q,et al.Tibetan tectonic evolution inferred from spatial and temporal variations in post-collisional magmatism[J].Earth-Science Reviews,2005,68(3):173-196.

• [37]Rowley D B,Currie B S.Palaeo-altimetry of the late Eocene to Miocene Lunpola basin,central Tibet[J].Nature,2006,439:677-681.

• [38]Wang,C S,Zhao X X,Liu Z F,et al.Constraints on the early uplift history of the Tibetan Plateau[J].Proceedings of the National Academy of Sciences of the United States of America,2008,105(13):4987-4992.

• [39]Xu Q,Ding L,Zhang L Y,et al.Paleogene high elevations in the Qiangtang terrane,central Tibetan Plateau[J].Earth and Planetary Science Letters,2013,362:31-42.