南沙海区礼乐盆地碳酸盐台地地震响应及发育演化
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摘要
礼乐盆地位于南海南部的南沙地块,自中生代以来,经历了挤压、张裂、沉降和碰撞挤压等多期次构造过程,发育众多的碳酸盐台地,是一个很有勘探潜力的叠合盆地.根据位于礼乐盆地东北边缘的地震测线NH973-2,结合部分已发表的钻井地震资料,开展盆地的层序地层研究,揭示了礼乐盆地的地层层序,分析了礼乐台地的地震特征.礼乐滩碳酸盐台地具有典型的丘状外形和杂乱的内部反射特征.根据地震计算对礼乐地区的构造沉降分析,划分了新生代盆地演化阶段,指出构造作用控制了礼乐碳酸盐台地发育.
Liyue basin is located in the Nansha block of the South China Sea,which has been subject to compression,rifting,drifting and collision with Borneo block since Mesozoic.It is a complicated superimposed basin with great potential for exploration,with its well developed carbonate platforms being unique targets both for research and exploration.Based on new seismic profile NH973-2,in combination with published well and seismic data,the stratigraphic sequences across the section are analyzed in order to reveal the sedimentary sequences and seismic characters in the Liyue basin.The carbonate platforms are characterized by round external form,chaotic internal reflector.Based on tectonic subsidence calculation,we determine three stages of tectonic evolution in Liyue basin during Cenozoic and come to the conclusion that tectonic actions have had control over the development of Liyue carbonate platform.
Liyue basin is located in the Nansha block of the South China Sea,which has been subject to compression,rifting,drifting and collision with Borneo block since Mesozoic.It is a complicated superimposed basin with great potential for exploration,with its well developed carbonate platforms being unique targets both for research and exploration.Based on new seismic profile NH973-2,in combination with published well and seismic data,the stratigraphic sequences across the section are analyzed in order to reveal the sedimentary sequences and seismic characters in the Liyue basin.The carbonate platforms are characterized by round external form,chaotic internal reflector.Based on tectonic subsidence calculation,we determine three stages of tectonic evolution in Liyue basin during Cenozoic and come to the conclusion that tectonic actions have had control over the development of Liyue carbonate platform.
引文
Briais,A.,Patriat,P.,Tapponnier,P.,1993.Updated interpretation of magnetic anomalies and seafloor spreading stages inthe South China Sea:implications for the Tertiary tectonicsof Southeast Asia.Journal of Geophysical Research,98(B4):6299-6328.doi:10.1029/92JB02280
Franke,D.,Barckhausen,U.,Baristeas,N.,et al.,2011.Thecontinent-ocean transition at the southeastern margin of theSouth China Sea.Marine and Petroleum Geology,28(6):1187-1204.doi:10.1016/j.marpetgeo.2011.01.004
Gao,H.F.,Zeng,X.H.,Liu,Z.H.,et al.,2005.Subsidencemodeling and tectonic evolution characteristics analysis ofLiyue basin in Nansha area.Tectonics and Metallogeny,29(3):385-390(in Chinese with English abstract).
Haq,B.U.,Hardenbol,J.,Vail,P.R.,1987.Chronology of fluctuating sea levels since the Triassic.Science,235(4793):1156-1167.doi:10.1126/science.235.4793.1156
Hinz,K.,Schlüter,H.U.,1985.Geology of the dangerousgrounds,South China Sea,and the continental marginoff Southwest Palawan:results of SONNE Cruises SO-23and SO-27.Energy,10(3-4):297-315.doi:10.1016/0360-5442(85)90048-9
Holloway,N.H.,1982.North Palawan block Philippines—its relation to Asian mainland and role in evolution ofSouth China Sea.AAPG Bulletin,66(9):1355-1383.
Hutchison,C.S.,2004.Marginal basin evolution:the southern South China Sea.Marine and Petroleum Geology,21(9):1129-1148.doi:10.1016/j.marpetgeo.2004.07.002
Kudrass,H.R.,Wiedicke,M.,Cepeck,P.,et al.,1986.Mesozoic and Cainozoic rocks dredged from the South ChinaSea(Reed bank area)and Sulu Sea and their significance for plate tectonic reconstructions.Marine and Petroleum Geology,3(1):19-30.doi:10.1016/02648172(86)90053-X
Müller,R.D.,Lim,V.S.L.,Isern,A.R.,2000.Late Tertiary tectonic subsidence on the Northeast Australian passive margin:response to dynamic topography.MarineGeology,162(2-4):337-352.doi:10.1016/S00253227(99)00089-4
Schlüter,H.U.,Hinz,K.,Block,M.,1996.Tectono-stratigraphic terranes and detachment faulting of the SouthChina Sea and Sulu Sea.Marine Geology,130(1-2):39-78.doi:10.1016/0025-3227(95)00137-9
Sun,L.T.,Sun,Z.,Zhou,D.,et al.,2008.Sedimentary stratigraphic and tectonic characteristics analysis of Liyuebasin in Nansha area.Tectonics and Metallogeny,32(2):151-158(in Chinese with English abstract).
Sun,L.T.,Sun,Z.,Zhan,W.H.,et al.,2010.Oil and gasresource potential of Liyue basin in Nansha area.Journal of Earth Science,35(1):137-145(in Chinese withEnglish abstract).
Taylor,B.,Hayes,D.E.,1980.The tectonic evolution of theSouth China Sea.In:Hayes,D.E.,ed.,The tectonic andgeologic evolution of Southeast Asian seas and islands.Geophys.Monograph,AGU,Washington,D.C.,23:89-104.
Wilson,M.E.J.,2002.Cenozoic carbonates in SoutheastAsia:implications for equatorial carbonate development.Sedimentary Geology,147(3-4):295-428.doi:10.1016/S0037-0738(01)00228-7
Wu,S.G.,Han,Q.H.,Dong,D.,et al.,2009.Petroleumsystem in deepwater basins of the northern South ChinaSea.Journal of Earth Science,20(1):124-135.
Xia,K.Y.,1996.Geologic geographic and oil/gas resource of inand out of Nansha islands.Science Press,Beijing,252.孙
Yan,P.,Liu,H.L.,2004.Tectonic-stratigraphic division andblind fold structures in Nansha waters,South ChinaSea.Journal of Asian Earth Sciences,24(3):337-348.
Yao,Y.J.,Jiang,Y.K.,Zeng,X.H.,2002.Cenozoic tectoniccharacteristics of Nansha area.China Offshore Oil andGas,6(2):113-117(in Chinese with English abstract).
Yu,K.,Zhao,J.,2009.Coral reefs.In:Wang,P.X.,Li,Q.Y.,eds.,The South China Sea:paleoceanography andsedimentology.Springer,Heidelberg,229-255.
高红芳,曾祥辉,刘振湖,等,2005.南海礼乐盆地沉降史模拟及构造演化特征分析.大地构造与成矿学,29(3):385-390.
孙龙涛,孙珍,周蒂,等,2008.南沙海区礼乐盆地沉积地层与构造特征分析.大地构造与成矿学,32(2):151-158.
孙龙涛,孙珍,詹文欢,等,2010.南沙海域礼乐盆地油气资源潜力.地球科学——中国地质大学学报,35(1):137-145.
夏勘原,1996.南沙群岛及其邻近海区地质地球物理与油气资源.北京:科学出版社.
姚永坚,姜玉坤,曾祥辉,2002.南沙海域新生代构造特征.中国海上油气(地质),16(2):113-117.
Franke,D.,Barckhausen,U.,Baristeas,N.,et al.,2011.Thecontinent-ocean transition at the southeastern margin of theSouth China Sea.Marine and Petroleum Geology,28(6):1187-1204.doi:10.1016/j.marpetgeo.2011.01.004
Gao,H.F.,Zeng,X.H.,Liu,Z.H.,et al.,2005.Subsidencemodeling and tectonic evolution characteristics analysis ofLiyue basin in Nansha area.Tectonics and Metallogeny,29(3):385-390(in Chinese with English abstract).
Haq,B.U.,Hardenbol,J.,Vail,P.R.,1987.Chronology of fluctuating sea levels since the Triassic.Science,235(4793):1156-1167.doi:10.1126/science.235.4793.1156
Hinz,K.,Schlüter,H.U.,1985.Geology of the dangerousgrounds,South China Sea,and the continental marginoff Southwest Palawan:results of SONNE Cruises SO-23and SO-27.Energy,10(3-4):297-315.doi:10.1016/0360-5442(85)90048-9
Holloway,N.H.,1982.North Palawan block Philippines—its relation to Asian mainland and role in evolution ofSouth China Sea.AAPG Bulletin,66(9):1355-1383.
Hutchison,C.S.,2004.Marginal basin evolution:the southern South China Sea.Marine and Petroleum Geology,21(9):1129-1148.doi:10.1016/j.marpetgeo.2004.07.002
Kudrass,H.R.,Wiedicke,M.,Cepeck,P.,et al.,1986.Mesozoic and Cainozoic rocks dredged from the South ChinaSea(Reed bank area)and Sulu Sea and their significance for plate tectonic reconstructions.Marine and Petroleum Geology,3(1):19-30.doi:10.1016/02648172(86)90053-X
Müller,R.D.,Lim,V.S.L.,Isern,A.R.,2000.Late Tertiary tectonic subsidence on the Northeast Australian passive margin:response to dynamic topography.MarineGeology,162(2-4):337-352.doi:10.1016/S00253227(99)00089-4
Schlüter,H.U.,Hinz,K.,Block,M.,1996.Tectono-stratigraphic terranes and detachment faulting of the SouthChina Sea and Sulu Sea.Marine Geology,130(1-2):39-78.doi:10.1016/0025-3227(95)00137-9
Sun,L.T.,Sun,Z.,Zhou,D.,et al.,2008.Sedimentary stratigraphic and tectonic characteristics analysis of Liyuebasin in Nansha area.Tectonics and Metallogeny,32(2):151-158(in Chinese with English abstract).
Sun,L.T.,Sun,Z.,Zhan,W.H.,et al.,2010.Oil and gasresource potential of Liyue basin in Nansha area.Journal of Earth Science,35(1):137-145(in Chinese withEnglish abstract).
Taylor,B.,Hayes,D.E.,1980.The tectonic evolution of theSouth China Sea.In:Hayes,D.E.,ed.,The tectonic andgeologic evolution of Southeast Asian seas and islands.Geophys.Monograph,AGU,Washington,D.C.,23:89-104.
Wilson,M.E.J.,2002.Cenozoic carbonates in SoutheastAsia:implications for equatorial carbonate development.Sedimentary Geology,147(3-4):295-428.doi:10.1016/S0037-0738(01)00228-7
Wu,S.G.,Han,Q.H.,Dong,D.,et al.,2009.Petroleumsystem in deepwater basins of the northern South ChinaSea.Journal of Earth Science,20(1):124-135.
Xia,K.Y.,1996.Geologic geographic and oil/gas resource of inand out of Nansha islands.Science Press,Beijing,252.孙
Yan,P.,Liu,H.L.,2004.Tectonic-stratigraphic division andblind fold structures in Nansha waters,South ChinaSea.Journal of Asian Earth Sciences,24(3):337-348.
Yao,Y.J.,Jiang,Y.K.,Zeng,X.H.,2002.Cenozoic tectoniccharacteristics of Nansha area.China Offshore Oil andGas,6(2):113-117(in Chinese with English abstract).
Yu,K.,Zhao,J.,2009.Coral reefs.In:Wang,P.X.,Li,Q.Y.,eds.,The South China Sea:paleoceanography andsedimentology.Springer,Heidelberg,229-255.
高红芳,曾祥辉,刘振湖,等,2005.南海礼乐盆地沉降史模拟及构造演化特征分析.大地构造与成矿学,29(3):385-390.
孙龙涛,孙珍,周蒂,等,2008.南沙海区礼乐盆地沉积地层与构造特征分析.大地构造与成矿学,32(2):151-158.
孙龙涛,孙珍,詹文欢,等,2010.南沙海域礼乐盆地油气资源潜力.地球科学——中国地质大学学报,35(1):137-145.
夏勘原,1996.南沙群岛及其邻近海区地质地球物理与油气资源.北京:科学出版社.
姚永坚,姜玉坤,曾祥辉,2002.南沙海域新生代构造特征.中国海上油气(地质),16(2):113-117.
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