藏北比如县玛双布上三叠统波里拉组震积事件沉积的发现及意义
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摘要
藏北比如县玛双布上三叠统波里拉组发育震积岩(A)、海啸岩(B)及背景沉积(C)3个沉积单元。它们组成A-B-C,A-C,B-C等3种类型的沉积序列。这些沉积序列分别代表地震—海啸—背景沉积(地震引发海啸)、地震—背景沉积(地震未引发海啸)、海啸—背景沉积(远离地震中心)的事件沉积序列。波里拉组地震事件沉积是特提斯洋进一步扩张的前兆和裂解的标志,也是劳亚—泛华夏大陆裂解的响应。
Seinites,tsunamites and background deposits occur in the Upper Triassic Bolila Formation in Nanyaxiang Mashuangbu,Biru County,North Tibet.They are composed of three distinct sedimentary sequences: A-B-C,A-C and B-C,representing an event sedimentary sequence of earthquake-tsunami-background deposits,earthquake and background deposits(no tsunami occurring) and tsunami-background deposits(far from the center of earthquake) respectively.Earthquake event deposits in the Bolila Formation are not only the auspice of the further extension,splitting and separation of the Tethyan ocean,but also sedimentary response to the Laurasia land-Cathaysia splitting.
Seinites,tsunamites and background deposits occur in the Upper Triassic Bolila Formation in Nanyaxiang Mashuangbu,Biru County,North Tibet.They are composed of three distinct sedimentary sequences: A-B-C,A-C and B-C,representing an event sedimentary sequence of earthquake-tsunami-background deposits,earthquake and background deposits(no tsunami occurring) and tsunami-background deposits(far from the center of earthquake) respectively.Earthquake event deposits in the Bolila Formation are not only the auspice of the further extension,splitting and separation of the Tethyan ocean,but also sedimentary response to the Laurasia land-Cathaysia splitting.
引文
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[10]中国地质调查局成都地质矿产研究所.1∶50 000青藏高原及邻区地质图及说明书[M].成都:成都地图出版社,2004.Chengdu Institute of Geology and Mineral Resources,China Geological Survey.1∶50 000 geological mapand its directions of the Tibetan Plateau and and itsnear region[M].Chengdu:Chengdu Geological MapPublishing House,2004.
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[13]Fairchild I J,Einsele G,Song T.Possible seismicorigin of molar tooth structures in Neoproterozoiccarbonate ramp deposits,North China[J].Sedimen-tology,1997,44:611-630.
[14]乔秀夫,宋天锐,高林志,等.碳酸盐岩振动液化地震序列[J].地质学报,1994,68(1):16-32.QIAO Xiu-fu,SONG Tian-rui,GAO Lin-zhi,et al.Seismic sequence in carbonate rocks by ribrational liq-uefaction[J].Acta Geologica Sinica,1994,68(1):16-32.
[15]杜远生,张传恒,韩欣,等.滇中中元古代昆阳群的地震事件沉积及其地质意义[J].中国科学(D辑),2001,31(4):283-289.DU Yuan-sheng,ZHANG Chuan-heng,HAN Xin,et al.Deposits and geological significance of earth-quake events of Kunyang Group in the Meso-Protero-zoic of central Yunnan Province[J].Scinence in China(Series D),2001,31(4):283-289.
[16]Spallctta C,Vai G B.Upper Devonian intraclastparabreccias interpreted as seismites[J].Mar Geol,1984,55(1/2):133-144.
[17]Seilacher A.Sedimentary structures tentatively at-tributed to seismic events[J].Mar Geol,1984,55(1/2):1-12.
[18]Mutti E,Ricci Lucchi F,Seguret M,et al.Seis-moturbidites:a new group of resedimented deposits[J].Mar Geol,1984,55(1/2):103-116.
[19]孙晓猛,梁定益,聂泽同.大陆边缘震积岩序列——以金沙江中段震积岩为例[J].现代地质,1995,9(3):271-277.SUN Xiao-meng,LIANG Ding-yi,NIE Ze-tong.Theseismic sequences of continental margin—take seis-times in the middle of Jinsha River for example[J].Geoscience,1995,9(3):271-277.
[20]梁定益,聂泽同,宋志敏.再论震积岩及震积不整合——以川西、滇西地区为例[J].地球科学——中国地质大学学报,1994,19(6):845-850.LIANG Ding-yi,NIE Ze-tong,SONG Zhi-min.Tryto talk about unconformilty between sedimentaryrocks and seistimes again—take regions of the west ofSichuan and Yunnan for example[J].Earth Science—Journal of China University of Geosciences,1994,19(3):845-850.
[21]南凌,崔之久.地震混杂岩(震积岩)的沉积特征和识别[J].地震地质译丛,1996,18(6):1-9.NAN Ling,CUI Zhi-jiu.Sedimentary characteristicsand recognition of seistimes[J].Translations of Seis-mal Geology,1996,18(6):1-9.
[22]杜远生,韩欣.论震积作用和震积岩[J].地球科学进展,2000,15(4):389-394.DU Yuan-sheng,HAN Xin.Seismo-deposition andseismites[J].Advance in Earth Sciecce,2000,15(4):389-394.
[23]卢书炜,任建德,杜凤军,等.从尼玛地区地质新资料看中特提斯洋的构造演化[J].沉积与特提斯地质,2003,23(3):35-39.LU Shu-wei,REN Jian-de,DU Feng-jun,et al.Tec-tonic evolution of the Meso-Tethyan Ocean:an exam-ple from the Nyima region in Xizang[J].SedimentaryGeology and Tethyan Geology,2 0 0 3,2 3(3):3 5-39.
[24]乔秀夫,高林志.华北中新元古代及早古生代地震灾变事件及与Rodinia的关系[J].科学通报,1999,44(16):1753-1758.QIAO Xiu-fu,GAO Lin-zhi.The relationship be-tween seismic events and Rodinia in the Meso-Neso-proterozoic and Early Paleozoic of North China[J].China Science Bulletin,1999,44(16):1753-1758.
[25]乔秀夫,彭阳,高林志.桂西北二叠纪灰岩墙(脉)的地震成因解释[J].地质通报,2002,21(2):102-104.QIAO Xiu-fu,PENG Yang,GAO Lin-zhi.Interpre-tation of the seismic origin of Permian limestone dikesin northwestern Guangxi[J].Geological Bulletin ofChian,2002,21(2):102-104.
[26]刘鹏举,林小谷.河北省平泉早奥陶世冶里组碳酸盐风暴沉积[J].吉林大学学报(地球科学版),2004,34(1):1-4.LIU Peng-ju,LIN Xiao-gu.The carbonate storm de-posit of Early Ordovician Yeli Formation inPingquanarea,Hebei Province[J].Journal of Jilin U-niversity(Earth Science Edition),2004,34(1):1-4.
①青海省地质局区调大队.1∶100万温泉幅(Ⅰ-46)区域地质调查报告.西宁:青海省地质调查院,1969.
①成都地质调查中心.1∶25万江爱达日那幅(I45C003003)区域地质调查报告.成都:成都地质调查中心,2003.
[2]宋天锐.北京十三陵前寒武纪碳酸盐岩地层中的一套可能的地震-海啸序列[J].科学通报,1988,38(8):609-611.SONG Tian-rui.A series of possible earthquake-tsuna-mi sequence of Precambrian carbonate stratum inShisanling,Beijing[J].China Science Bulletin,1988,38(8):609-611.
[3]赵卫卫,查明,杨剑萍,等.中国震积岩研究综述[J].地层学杂志,2006,30(1):171-176.ZHAO Wei-wei,ZHA Ming,YANG Jian-ping,et al.An overview of seismite of research in China[J].Jour-nal of Stratigraphy,2006,30(1):171-176.
[4]西藏自治区地质矿产局.西藏自治区区域地质志[M].北京:地质出版社,1993:107-137.Bureau of Geology and Mineral Resources of TibetanAutonomous Region.Regional geological records ofTibetan Autonomous Region[M].Beijing:GeologicalPublishing House,1995:107-137.
[5]西藏自治区地质矿产局.西藏自治区岩石地层[M].武汉:中国地质大学出版社,1997:19-46.Bureau of Geology and Mineral Resources of TibetanAutonomous Region.Rock strata of Tibet Anutono-mous Region[M].Wuhan:China University of Geosci-ences Press,1997:19-46.
[6]郝子文,饶荣标,姚冬升,等.西南区区域地层[M].武汉:中国地质大学出版社,1999:50-80.HAO Zi-wen,RAO Rong-biao,YAO Dong-sheng,etal.Regional strata of Southwest regions[M].Wuhan:China University of Geosciences Press,1999:50-80.
[7]王成善,伊海生.西藏羌塘盆地地质演化与油气远景评价[M].北京:地质出版社,2001:18-82.WANG Cheng-shan,YI Hai-sheng.The geologicalevolution and evaluation of petroleum perspective inthe Qiangtang Basin[M].Beijing:Geological Publish-ing House,2001:18-82.
[8]程立人,陈寿铭,张以春,等.西藏羌北地区石炭纪竹蜓类动物群及其分带[J].吉林大学学报(地球科学版),2007,37(1):1-7.CHENG Li-ren,CHEN Shou-ming,ZHANG Yi-chun,et al.Carboniferous fusulinids and fusulind zone innorthern Qiangtang,Tibet[J].Journal of Jilin Univer-sity(Earth Science Edition),2007,37(1):1-7.
[9]王根厚,贾建称,李尚林,等.藏东巴青县以北基地变质岩系的发现[J].地质通报,2004,23(5/6):613-615.WANG Gen-hou,JIA Jian-cheng,LI Shang-lin,et al.Discovery of the basement metamorphic series north ofBaqing County,eastern Tibet[J].Geology Bulletin ofChina,2004,23(5/6):613-615.
[10]中国地质调查局成都地质矿产研究所.1∶50 000青藏高原及邻区地质图及说明书[M].成都:成都地图出版社,2004.Chengdu Institute of Geology and Mineral Resources,China Geological Survey.1∶50 000 geological mapand its directions of the Tibetan Plateau and and itsnear region[M].Chengdu:Chengdu Geological MapPublishing House,2004.
[11]李尚林,王根厚,马伯永,等.藏东北巴青县江绵乡上三叠统东达村组和“甲丕拉组”的沉积特征及其意义[J].地质通报,2005,24(1):58-64.LI Shang-lin,WANG Gen-hou,MA Bo-yong,et al.Sedimentary characteristics of the Upper TriassicDongdacun Formation and“Jiapila Formation”inJiangmianxiang area,Baqing County,northern-Tibet[J].Geological Bulletin of China,2005,24(1):58-64.
[12]Bauerman H.Report on the geology of the countrynear the forty-ninth parallel of north latitude west ofthe Rocky Mountains[M].London:Mcgraw-HillBook Company,1885:1-42.
[13]Fairchild I J,Einsele G,Song T.Possible seismicorigin of molar tooth structures in Neoproterozoiccarbonate ramp deposits,North China[J].Sedimen-tology,1997,44:611-630.
[14]乔秀夫,宋天锐,高林志,等.碳酸盐岩振动液化地震序列[J].地质学报,1994,68(1):16-32.QIAO Xiu-fu,SONG Tian-rui,GAO Lin-zhi,et al.Seismic sequence in carbonate rocks by ribrational liq-uefaction[J].Acta Geologica Sinica,1994,68(1):16-32.
[15]杜远生,张传恒,韩欣,等.滇中中元古代昆阳群的地震事件沉积及其地质意义[J].中国科学(D辑),2001,31(4):283-289.DU Yuan-sheng,ZHANG Chuan-heng,HAN Xin,et al.Deposits and geological significance of earth-quake events of Kunyang Group in the Meso-Protero-zoic of central Yunnan Province[J].Scinence in China(Series D),2001,31(4):283-289.
[16]Spallctta C,Vai G B.Upper Devonian intraclastparabreccias interpreted as seismites[J].Mar Geol,1984,55(1/2):133-144.
[17]Seilacher A.Sedimentary structures tentatively at-tributed to seismic events[J].Mar Geol,1984,55(1/2):1-12.
[18]Mutti E,Ricci Lucchi F,Seguret M,et al.Seis-moturbidites:a new group of resedimented deposits[J].Mar Geol,1984,55(1/2):103-116.
[19]孙晓猛,梁定益,聂泽同.大陆边缘震积岩序列——以金沙江中段震积岩为例[J].现代地质,1995,9(3):271-277.SUN Xiao-meng,LIANG Ding-yi,NIE Ze-tong.Theseismic sequences of continental margin—take seis-times in the middle of Jinsha River for example[J].Geoscience,1995,9(3):271-277.
[20]梁定益,聂泽同,宋志敏.再论震积岩及震积不整合——以川西、滇西地区为例[J].地球科学——中国地质大学学报,1994,19(6):845-850.LIANG Ding-yi,NIE Ze-tong,SONG Zhi-min.Tryto talk about unconformilty between sedimentaryrocks and seistimes again—take regions of the west ofSichuan and Yunnan for example[J].Earth Science—Journal of China University of Geosciences,1994,19(3):845-850.
[21]南凌,崔之久.地震混杂岩(震积岩)的沉积特征和识别[J].地震地质译丛,1996,18(6):1-9.NAN Ling,CUI Zhi-jiu.Sedimentary characteristicsand recognition of seistimes[J].Translations of Seis-mal Geology,1996,18(6):1-9.
[22]杜远生,韩欣.论震积作用和震积岩[J].地球科学进展,2000,15(4):389-394.DU Yuan-sheng,HAN Xin.Seismo-deposition andseismites[J].Advance in Earth Sciecce,2000,15(4):389-394.
[23]卢书炜,任建德,杜凤军,等.从尼玛地区地质新资料看中特提斯洋的构造演化[J].沉积与特提斯地质,2003,23(3):35-39.LU Shu-wei,REN Jian-de,DU Feng-jun,et al.Tec-tonic evolution of the Meso-Tethyan Ocean:an exam-ple from the Nyima region in Xizang[J].SedimentaryGeology and Tethyan Geology,2 0 0 3,2 3(3):3 5-39.
[24]乔秀夫,高林志.华北中新元古代及早古生代地震灾变事件及与Rodinia的关系[J].科学通报,1999,44(16):1753-1758.QIAO Xiu-fu,GAO Lin-zhi.The relationship be-tween seismic events and Rodinia in the Meso-Neso-proterozoic and Early Paleozoic of North China[J].China Science Bulletin,1999,44(16):1753-1758.
[25]乔秀夫,彭阳,高林志.桂西北二叠纪灰岩墙(脉)的地震成因解释[J].地质通报,2002,21(2):102-104.QIAO Xiu-fu,PENG Yang,GAO Lin-zhi.Interpre-tation of the seismic origin of Permian limestone dikesin northwestern Guangxi[J].Geological Bulletin ofChian,2002,21(2):102-104.
[26]刘鹏举,林小谷.河北省平泉早奥陶世冶里组碳酸盐风暴沉积[J].吉林大学学报(地球科学版),2004,34(1):1-4.LIU Peng-ju,LIN Xiao-gu.The carbonate storm de-posit of Early Ordovician Yeli Formation inPingquanarea,Hebei Province[J].Journal of Jilin U-niversity(Earth Science Edition),2004,34(1):1-4.
①青海省地质局区调大队.1∶100万温泉幅(Ⅰ-46)区域地质调查报告.西宁:青海省地质调查院,1969.
①成都地质调查中心.1∶25万江爱达日那幅(I45C003003)区域地质调查报告.成都:成都地质调查中心,2003.
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