生长地层及其在判断天山北缘前陆冲断褶皱带形成时间上的应用
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摘要
新生代以来天山北缘前陆冲断褶皱带自南向北可分为山麓冲断褶皱带、霍尔果斯-玛纳斯-吐谷鲁冲断褶皱带、独山子-安集海冲断褶皱带3排构造带。在野外观察的基础上,结合地震剖面分析,确定了各排构造带生长地层发育层序;结合裂变径迹年龄证据,并根据现有磁性地层等年代学资料,确定了天山北缘晚新生代构造变形时间序列:第一排构造带形成于距今10 M a以来;第二排构造带形成于距今7~2.58 M a以来;第三排构造带形成于距今大约0.73 M a后。
Three foreland thrust-fold belts,the Piedmont,the Huoerguosi-ManasiTugulu,and the Dushanzi-Anjihai,formed since the Cenozoic are recognized from south to north in the north margin of Tianshan.The sequences of growth strata developed in each belt have been established based on field observation and seismic interpretations.The fission-track dating evidences and available magnetostratigraphic data are also used in the timing of the Late Cenozoic tectonic deformation: the Piedmont formed since about 10 Ma;the Huoerguosi-Manasi-Tugulu formed from 7 to 2.58 Ma;and the Dushanzi-Anjihai formed after about 0.73 Ma.
Three foreland thrust-fold belts,the Piedmont,the Huoerguosi-ManasiTugulu,and the Dushanzi-Anjihai,formed since the Cenozoic are recognized from south to north in the north margin of Tianshan.The sequences of growth strata developed in each belt have been established based on field observation and seismic interpretations.The fission-track dating evidences and available magnetostratigraphic data are also used in the timing of the Late Cenozoic tectonic deformation: the Piedmont formed since about 10 Ma;the Huoerguosi-Manasi-Tugulu formed from 7 to 2.58 Ma;and the Dushanzi-Anjihai formed after about 0.73 Ma.
引文
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8郭召杰,张志诚,吴朝东,等.中、新生代天山隆升过程及其与准噶尔、阿尔泰山比较研究[J].地质学报,2006,80(1):1~15Guo Zhaojie,Zhang Zh icheng,W u Chaodong,et al.TheM esozo-ic and Cenozoic exhumation h istory of Tianshan and comparativestud ies to the Junggar and A ltai mountains[J].Acta GeologicaS in ica.2006,80(1):1-15
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10 Sun JM,Zhu R X,Bow ler J.Tim ing of the Tianshan mountainsuplift constrained by magnetostratigraph ic analysis of molasse de-posits[J].Earth and P lanetary Science Letters,2004,219:239-253
11 Charreau J,Chen Y,G ilder S,et al.Magnetostratigraphy androck magnetism of the Neogene Ku itunhe section(northwest Ch i-na):implications for Late Cenozoic uplift of the Tianshanmountains[J].Earth and P lanetary Science Letters,2005,230:117-192
12 Suppe J,Chou G T,Hook S C.Rate of fold ing and faulting deter-m ined from growth strata[A].In:M cC lay K R,eds.Thrust tec-ton ics[C].London:Chapman and Hall,1992.105-122
13汪新,贾承造,杨树锋.南天山库车褶皱冲断带构造几何学和运动学[J].地质科学,2002,37(3):372~384W ang X in,Jia Chengzao,Yang Shufeng.Geom etry and K inemat-ics of the Kuqa fold-and-thrust belt in the South Tianshan[J].Ch inese Journal of Geology,2002,76(1):55-63
14孙晓猛,张梅生,龙胜祥,等.秦岭-大别造山带北部逆冲推覆构造与合肥盆地、周口坳陷控盆断裂[J].石油与天然气地质,2004,25(2):191~198Sun X iaom eng,Zhang M eisheng,Long Shengxiang,et al.Over-thrust tecton ic in northern Q in ling-Dab ie orogen ic belt and basin-controlling fau lts in Zhoukou depression and Hefei basin[J].O il&Gas Geology,2004,25(2):191-198
15郑和荣,李铁军,蔡立国,等.中国中西部前陆冲断褶皱带油气地质条件及勘探建议[J].石油与天然气地质,2004,25(2):156~161Zheng Herong,L i Tiejun,Cai L iguo,et al.Petroleum geologic con-d itions in foreland thrust-and-fold belts in west-central Ch ina andproposals for exploration[J].O il&Gas Geology,2004,25(2):156-161
16 Shaw JH,Suppe J.Active fau lting and growth fold ing in the east-ern Santa Barbara Channel,Californ ia[J].Geological Society ofAm erican Bu lletin,1994,106:607-626
2 Lu Huafu,David G Howell,Jia Dong,et al.Rejuvenation of theKuqa foreland basin,north flank of the Tarim Basin,NorthwestCh ina[J].International Geology Review,1994,36:1 151-1 158
3张培震,邓起东,杨晓平,等.天山的晚新生代构造变形及其地球动力学问题[J].中国地震,1996,12(2):127~140Zhang Peizhen,D eng Q idong,Yang X iaop ing,et al.Late Ceno-zoic tecton ic deformation and m echan ism along the TianshanMountain,Northwestern Ch ina[J].Earthquake Research in Ch i-na,1996,12(2):127-140
4邓起东,冯先岳,张培震,等.乌鲁木齐山前坳陷逆断裂-褶皱带及其形成机制[J].地学前缘,1999,6(4):191~201D eng Q idong,Feng X ianyue,Zhang Peizhen,et al.Reverse fau ltand fold zone in the Urumuq i range-front depression of the north-ern Tianshan and its genetic m echan ism[J].Earth Science Fron-tiers,1999,6(4):191-201
5卢华复,贾东,陈楚铭,等.库车新生代构造性质和变形时间[J].地学前缘,1999,6(4):215~221Lu Huafu,Jia Dong,Chen Chum ing,et al.Nature and tim ing ofthe Kuqa Cenozoic structure[J].Earth Science Frontiers,1999,6(4):215-221
6 Sobel E R,Dum itru T A.Thrusting and exhumation around themargins of the western Tarim basin during the Ind ia-Asia colli-sion[J].Journal of Geophysical Research,1997,102(B3):5 043-5 063
7郭召杰,吴朝东,张志诚,等.乌鲁木齐后峡地区侏罗系沉积特征、剥露过程及中新生代盆山关系讨论[J].高校地质学报,2005,11(4):558~567Guo Zhaojie,W u Chaodong,Zhang Zh icheng,et al.M esozoic-Cenozoic relationsh ips between Tianshan mountain and peripheralbasins:evidences from sed im entology and exhumation of Jurassicin Houxia area,Urumuq i[J].Geological Journal of Ch ina Un iver-sities,2005,11(4):558-567
8郭召杰,张志诚,吴朝东,等.中、新生代天山隆升过程及其与准噶尔、阿尔泰山比较研究[J].地质学报,2006,80(1):1~15Guo Zhaojie,Zhang Zh icheng,W u Chaodong,et al.TheM esozo-ic and Cenozoic exhumation h istory of Tianshan and comparativestud ies to the Junggar and A ltai mountains[J].Acta GeologicaS in ica.2006,80(1):1-15
9方世虎,郭召杰,张志诚,等.天山北缘前陆冲断带形成时间的地层学证据[J].新疆地质,2004,22(1):24~29Fang Shihu,Guo Zhaojie,Zhang Zhicheng,et al.Stratigraphic evi-dences for dating of the foreland thrust along the northern margin ofTianshan[J].X in jiang Geology,2004,22(1):24-29
10 Sun JM,Zhu R X,Bow ler J.Tim ing of the Tianshan mountainsuplift constrained by magnetostratigraph ic analysis of molasse de-posits[J].Earth and P lanetary Science Letters,2004,219:239-253
11 Charreau J,Chen Y,G ilder S,et al.Magnetostratigraphy androck magnetism of the Neogene Ku itunhe section(northwest Ch i-na):implications for Late Cenozoic uplift of the Tianshanmountains[J].Earth and P lanetary Science Letters,2005,230:117-192
12 Suppe J,Chou G T,Hook S C.Rate of fold ing and faulting deter-m ined from growth strata[A].In:M cC lay K R,eds.Thrust tec-ton ics[C].London:Chapman and Hall,1992.105-122
13汪新,贾承造,杨树锋.南天山库车褶皱冲断带构造几何学和运动学[J].地质科学,2002,37(3):372~384W ang X in,Jia Chengzao,Yang Shufeng.Geom etry and K inemat-ics of the Kuqa fold-and-thrust belt in the South Tianshan[J].Ch inese Journal of Geology,2002,76(1):55-63
14孙晓猛,张梅生,龙胜祥,等.秦岭-大别造山带北部逆冲推覆构造与合肥盆地、周口坳陷控盆断裂[J].石油与天然气地质,2004,25(2):191~198Sun X iaom eng,Zhang M eisheng,Long Shengxiang,et al.Over-thrust tecton ic in northern Q in ling-Dab ie orogen ic belt and basin-controlling fau lts in Zhoukou depression and Hefei basin[J].O il&Gas Geology,2004,25(2):191-198
15郑和荣,李铁军,蔡立国,等.中国中西部前陆冲断褶皱带油气地质条件及勘探建议[J].石油与天然气地质,2004,25(2):156~161Zheng Herong,L i Tiejun,Cai L iguo,et al.Petroleum geologic con-d itions in foreland thrust-and-fold belts in west-central Ch ina andproposals for exploration[J].O il&Gas Geology,2004,25(2):156-161
16 Shaw JH,Suppe J.Active fau lting and growth fold ing in the east-ern Santa Barbara Channel,Californ ia[J].Geological Society ofAm erican Bu lletin,1994,106:607-626
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