珠江口盆地恩平凹陷珠琼运动二幕的构造—沉积响应及区域构造意义
|
摘要
珠琼运动二幕是发生在珠江口盆地晚始新世—早渐新世的一次重大构造运动。通过对恩平凹陷的地震层序、沉积演化和断裂活动研究揭示,珠琼运动二幕的构造—沉积响应表现为文昌组与恩平组之间的区域性不整合面、盆地演化从断陷至断—拗阶段的变革、沉降中心迁移、新生EW走向断层和沉积体系整体转变等。结合中国东部渤海湾盆地黄骅坳陷的研究,珠琼运动二幕及同期构造作用不仅在珠江口盆地,而且在中国东部新生代盆地均可追索,对盆地构造演化、沉积充填以及油气生-储-盖组合均产生了重要影响,其共同特点是拗陷作用增强、区域应力场顺时针方向偏转并伴随右旋张扭作用,其形成与晚始新世以来印度板块与欧亚板块碰撞作用有关。
The second episode of the Zhu-Qiong movement is an important tectonic event that occurred from late Eocene to early Oligocene in the Pearl River Mouth Basin.Studies on seismic stratigraphic sequences,depositional evolution and fault activities of the Enping Depression have revealed that tectonic and sedimentary responses to the second episode of the Zhu-Qiong movement are characterized by a regional unconformity between the Enping Formation and the underlying Wenchang Formation,evolutional transform of the basin from rift to fault sag;migration of subsidence centers,generation of EW-orientated faults and the whole transform of depositional system.Furthermore,integrated with studies on the Huanghua Depression of the Bohai Bay Basin,eastern China,it has been proposed that the second episode of the Zhu-Qiong movement and its synchronous tectonism can be found not only in the Pearl River Mouth Basin but also in other Cenozoic basins of eastern China,they have affected tectonic evolution,deposition,and petroleum system of these basins greatly.These effects are commonly characterized by strengthening of downwarping and dextrorotatory deflection of regional stress fields with dextrorotatory tense-shearing action,and generally resulted from the collision of the Indian Plate with the Eurasian Plate since late Eocene.
The second episode of the Zhu-Qiong movement is an important tectonic event that occurred from late Eocene to early Oligocene in the Pearl River Mouth Basin.Studies on seismic stratigraphic sequences,depositional evolution and fault activities of the Enping Depression have revealed that tectonic and sedimentary responses to the second episode of the Zhu-Qiong movement are characterized by a regional unconformity between the Enping Formation and the underlying Wenchang Formation,evolutional transform of the basin from rift to fault sag;migration of subsidence centers,generation of EW-orientated faults and the whole transform of depositional system.Furthermore,integrated with studies on the Huanghua Depression of the Bohai Bay Basin,eastern China,it has been proposed that the second episode of the Zhu-Qiong movement and its synchronous tectonism can be found not only in the Pearl River Mouth Basin but also in other Cenozoic basins of eastern China,they have affected tectonic evolution,deposition,and petroleum system of these basins greatly.These effects are commonly characterized by strengthening of downwarping and dextrorotatory deflection of regional stress fields with dextrorotatory tense-shearing action,and generally resulted from the collision of the Indian Plate with the Eurasian Plate since late Eocene.
引文
[1]陈长民,施和生,许仕策,等.珠江口盆地(东部)第三系油气藏形成条件[M].北京:科学出版社,2003:1-87.Chen Changmin,Shi Hesheng,Xu Shice,et al.The condition ofhydrocarbon accumulation of Tertiary petroleum system in PearlRiver Mouth Basin[M].Beijing:Science Press,2003:1-87.
[2]焦养泉,李思田,解习农,等.多幕裂陷作用的表现形式——以珠江口盆地西部及其外围地区为例[J].石油实验地质,1997,19(3):222-227.Jiao Yangquan,Li Sitian,Xie Xinong,et al.Manifestation of mul-tistage episodic rifting:Taking western Pearl River Mouth Basinand its peripheral area as an example[J].Experimental Petrole-um Geology,1997,19(3):222-227.
[3]崔莎莎,何家雄,陈胜红,等.珠江口盆地发育演化特征及其油气成藏地质条件[J].天然气地球科学,2009,20(3):384-391.Cui Shasha,He Jiaxiong,Chen Shenghong,et al.Developmentcharacteristics of Pearl River Mouth Basin and its geological con-ditions for oil and gas accumulation[J].Natural Gas Geoscience,2009,20(3):384-391.
[4]任建业.渤海湾盆地东营凹陷S6’界面的构造变革意义[J].地球科学,2004,29(1):69-76.Ren Jianye.Tectonic significance of S6’boundary in DongyingDepression,Bohai Gulf Basin[J].Earth Science,2004,29(1):69-76.
[5]米立军,张功成,沈怀磊,等.珠江口盆地深水区白云凹陷始新统—下渐新统沉积特征[J].石油学报,2008,29(1):29-34.Mi Lijun,Zhang Gongcheng,Shen Huailei,et al.Eocene-LowerOligocene sedimentation characteristics of Baiyun Sag in the deepwater area of Pearl River Mouth Basin[J].Acta Petrolei Sinica,2008,29(1):29-34.
[6]施和生,于水明,梅廉夫,等.珠江口盆地惠州凹陷古近纪幕式裂陷特征[J].天然气工业,2009,29(1):34-40.Shi Hesheng,Yu Shuiming,Mei Lianfu,et al.Features of Paleo-gene episodic rifting in Huizhou fault depression in the Pearl Riv-er Mouth Basin[J].Natural Gas Industry,2009,29(1):34-40.
[7]陈国俊,吕成福,李玉兰,等.珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J].沉积学报,2008,26(5):881-885.Chen Guojun,LüChengfu,Li Yulan,et al.Analysis of the oil andgas-bearing turbidite within Wenchang Formation in Enping De-pression,Pearl River Mouth Basin,China[J].Acta Sedimento-logica Sinica,2008,26(5):881-885.
[8]李友川,陶维祥,孙玉梅,等.珠江口盆地惠州凹陷及其邻区原油分类和分布特征[J].石油学报,2009,30(6):830-834.Li Youchuan,Tao Weixiang,Sun Yumei,et al.Classification anddistribution of oil in Huizhou Depression of Pearl River MouthBasin[J].Acta Petrolei Sinica,2009,30(6):830-834.
[9]陈汉宗,吴湘杰,周蒂,等.珠江口盆地中新生代主要断裂特征和动力背景分析[J].热带海洋学报,2005,24(2):52-59.Chen Hanzong,Wu Xiangjie,Zhou Di,et al.Meso-Cenozoic faultsin Zhujiang River Mouth Basin and their geodynamic background[J].Journal of Tropical Oceanography,2005,24(2):52-59.
[10]Ru Ke,Pigott S D.Episodic rifting and subsidence in the SouthChina Sea[J].AAPG Bulletin,1986,70(9):1136-1155.
[11]蔡周荣,刘维亮,万志峰,等.南海北部新生代构造运动厘定及与油气成藏关系探讨[J].海洋通报,2010,29(2):161-165.Cai Zhourong,Liu Weiliang,Wan Zhifeng,et al.Determination ofCenozoic tectonic movement in the northern South China Sea andthe relationship between oil-gas reservoir and tectonic movement[J].Marine Science Bulletin,2010,29(2):161-165.
[12]王家豪,王华,肖敦清,等.陆相伸展性盆地二级层序的厘定[J].石油学报,2009,30(6):869-875.Wang Jiahao,Wang Hua,Xiao Dunqing,et al.Determination ofsecond-order stratigraphic sequences in continental extensionalbasins[J].Acta Petrolei Sinica,2009,30(6):869-875.
[13]冯有良,周海民,任建业,等.渤海湾盆地东部古近系层序地层及其对构造活动的响应[J].中国科学D辑:地球科学,2010,40(10):1356-1376.Feng Youliang,Zhou Haimin,Ren Jianye,et al.Paleogene se-quence stratigraphy in the east of the Bohai Bay Basin and its re-sponse to structural movement[J].Sci.Sin.Terrae,2010,40(10):1356-1376.
[14]佟殿君,任建业,史双双,等.黄骅坳陷新生代关键性构造运动面的确定及盆地演化过程[J].油气地质与采收率,2010,17(2):9-13.Tong Dianjun,Ren Jianye,Shi Shuangshuang,et al.Determina-tion on key tectonic movement surfaces and analysis on evolutionprocess of Huanghua Depression[J].Petroleum Geology andRecovery Efficiency,2010,17(2):9-13.
[15]王华,廖远涛,陆永潮,等.中国东部新生代陆相断陷盆地层序的构成样式[J].中南大学学报:自然科学版,2010,41(1):277-285.Wang Hua,Liao Yuantao,Lu Yongchao,et al.Sequence architec-ture styles of Cenozoic continental rift basins in East China[J].Journal of Central South University:Science and Technology,2010,41(1):277-285.
[16]池英柳,赵文智.渤海湾盆地新生代走滑构造与油气聚集[J].石油学报,2000,21(2):14-20.Chi Yingliu,Zhao Wenzhi.Strike-slip deformation during the Ce-nozoic and its influence on hydrocarbon accumulation in the Bo-hai Bay Basin[J].Acta Petrolei Sinica,2000,21(2):14-20.
[17]漆家福.渤海湾新生代盆地的两种构造系统及其成因解释[J].中国地质,2004,31(1):15-21.Qi Jiafu.Two tectonic systems in the Cenozoic Bohai Bay basinand their genetic interpretation[J].Geology in China,2004,31(1):15-21.
[18]Zhou D,Ru K,Chen H Z.Kinematics of Cenozoic extension onthe South China Sea continental margin and its implications forthe tectonic evolution of the region[J].Tectonophysics,1995,251:161-177.
[19]Zhou Jiangyu,Wang Jianghai,Brian K H,et al.Sedimentologyand chronology of Paleogene coarse clastic rocks in east-centralTibet and their relationship to early tectonic uplift[J].ActaGeologica Sinica,2007,81(3):398-408.
[2]焦养泉,李思田,解习农,等.多幕裂陷作用的表现形式——以珠江口盆地西部及其外围地区为例[J].石油实验地质,1997,19(3):222-227.Jiao Yangquan,Li Sitian,Xie Xinong,et al.Manifestation of mul-tistage episodic rifting:Taking western Pearl River Mouth Basinand its peripheral area as an example[J].Experimental Petrole-um Geology,1997,19(3):222-227.
[3]崔莎莎,何家雄,陈胜红,等.珠江口盆地发育演化特征及其油气成藏地质条件[J].天然气地球科学,2009,20(3):384-391.Cui Shasha,He Jiaxiong,Chen Shenghong,et al.Developmentcharacteristics of Pearl River Mouth Basin and its geological con-ditions for oil and gas accumulation[J].Natural Gas Geoscience,2009,20(3):384-391.
[4]任建业.渤海湾盆地东营凹陷S6’界面的构造变革意义[J].地球科学,2004,29(1):69-76.Ren Jianye.Tectonic significance of S6’boundary in DongyingDepression,Bohai Gulf Basin[J].Earth Science,2004,29(1):69-76.
[5]米立军,张功成,沈怀磊,等.珠江口盆地深水区白云凹陷始新统—下渐新统沉积特征[J].石油学报,2008,29(1):29-34.Mi Lijun,Zhang Gongcheng,Shen Huailei,et al.Eocene-LowerOligocene sedimentation characteristics of Baiyun Sag in the deepwater area of Pearl River Mouth Basin[J].Acta Petrolei Sinica,2008,29(1):29-34.
[6]施和生,于水明,梅廉夫,等.珠江口盆地惠州凹陷古近纪幕式裂陷特征[J].天然气工业,2009,29(1):34-40.Shi Hesheng,Yu Shuiming,Mei Lianfu,et al.Features of Paleo-gene episodic rifting in Huizhou fault depression in the Pearl Riv-er Mouth Basin[J].Natural Gas Industry,2009,29(1):34-40.
[7]陈国俊,吕成福,李玉兰,等.珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J].沉积学报,2008,26(5):881-885.Chen Guojun,LüChengfu,Li Yulan,et al.Analysis of the oil andgas-bearing turbidite within Wenchang Formation in Enping De-pression,Pearl River Mouth Basin,China[J].Acta Sedimento-logica Sinica,2008,26(5):881-885.
[8]李友川,陶维祥,孙玉梅,等.珠江口盆地惠州凹陷及其邻区原油分类和分布特征[J].石油学报,2009,30(6):830-834.Li Youchuan,Tao Weixiang,Sun Yumei,et al.Classification anddistribution of oil in Huizhou Depression of Pearl River MouthBasin[J].Acta Petrolei Sinica,2009,30(6):830-834.
[9]陈汉宗,吴湘杰,周蒂,等.珠江口盆地中新生代主要断裂特征和动力背景分析[J].热带海洋学报,2005,24(2):52-59.Chen Hanzong,Wu Xiangjie,Zhou Di,et al.Meso-Cenozoic faultsin Zhujiang River Mouth Basin and their geodynamic background[J].Journal of Tropical Oceanography,2005,24(2):52-59.
[10]Ru Ke,Pigott S D.Episodic rifting and subsidence in the SouthChina Sea[J].AAPG Bulletin,1986,70(9):1136-1155.
[11]蔡周荣,刘维亮,万志峰,等.南海北部新生代构造运动厘定及与油气成藏关系探讨[J].海洋通报,2010,29(2):161-165.Cai Zhourong,Liu Weiliang,Wan Zhifeng,et al.Determination ofCenozoic tectonic movement in the northern South China Sea andthe relationship between oil-gas reservoir and tectonic movement[J].Marine Science Bulletin,2010,29(2):161-165.
[12]王家豪,王华,肖敦清,等.陆相伸展性盆地二级层序的厘定[J].石油学报,2009,30(6):869-875.Wang Jiahao,Wang Hua,Xiao Dunqing,et al.Determination ofsecond-order stratigraphic sequences in continental extensionalbasins[J].Acta Petrolei Sinica,2009,30(6):869-875.
[13]冯有良,周海民,任建业,等.渤海湾盆地东部古近系层序地层及其对构造活动的响应[J].中国科学D辑:地球科学,2010,40(10):1356-1376.Feng Youliang,Zhou Haimin,Ren Jianye,et al.Paleogene se-quence stratigraphy in the east of the Bohai Bay Basin and its re-sponse to structural movement[J].Sci.Sin.Terrae,2010,40(10):1356-1376.
[14]佟殿君,任建业,史双双,等.黄骅坳陷新生代关键性构造运动面的确定及盆地演化过程[J].油气地质与采收率,2010,17(2):9-13.Tong Dianjun,Ren Jianye,Shi Shuangshuang,et al.Determina-tion on key tectonic movement surfaces and analysis on evolutionprocess of Huanghua Depression[J].Petroleum Geology andRecovery Efficiency,2010,17(2):9-13.
[15]王华,廖远涛,陆永潮,等.中国东部新生代陆相断陷盆地层序的构成样式[J].中南大学学报:自然科学版,2010,41(1):277-285.Wang Hua,Liao Yuantao,Lu Yongchao,et al.Sequence architec-ture styles of Cenozoic continental rift basins in East China[J].Journal of Central South University:Science and Technology,2010,41(1):277-285.
[16]池英柳,赵文智.渤海湾盆地新生代走滑构造与油气聚集[J].石油学报,2000,21(2):14-20.Chi Yingliu,Zhao Wenzhi.Strike-slip deformation during the Ce-nozoic and its influence on hydrocarbon accumulation in the Bo-hai Bay Basin[J].Acta Petrolei Sinica,2000,21(2):14-20.
[17]漆家福.渤海湾新生代盆地的两种构造系统及其成因解释[J].中国地质,2004,31(1):15-21.Qi Jiafu.Two tectonic systems in the Cenozoic Bohai Bay basinand their genetic interpretation[J].Geology in China,2004,31(1):15-21.
[18]Zhou D,Ru K,Chen H Z.Kinematics of Cenozoic extension onthe South China Sea continental margin and its implications forthe tectonic evolution of the region[J].Tectonophysics,1995,251:161-177.
[19]Zhou Jiangyu,Wang Jianghai,Brian K H,et al.Sedimentologyand chronology of Paleogene coarse clastic rocks in east-centralTibet and their relationship to early tectonic uplift[J].ActaGeologica Sinica,2007,81(3):398-408.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心