南海北部陆坡地震地貌及深水重力流沉积过程主控因素
摘要
南海北部白云凹陷第四系陆坡具有复杂的陆坡地形特征,发育丰富的深水重力流沉积.基于近海底的高分辨率三维地震资料和成像技术开展陆坡地震地貌及深水重力流沉积过程研究.南海北部第四系陆坡发育规模较大的坡内盆地,属于非均衡陆坡,侵蚀、滑塌以及沉积作用使陆坡趋于均衡.上陆坡位于陆坡均衡面之上,主要以侵蚀和滑塌作用为主,发育滑块和侵蚀水道.坡内盆地位于陆坡均衡面之下,发育的陆坡可容空间为重力流提供大量沉积场所,发育朵体.白云凹陷第四系陆坡受重力流供给量、重力流持续时间、海底地形、陆坡均衡面及可容空间因素影响,发育滑塌-侵蚀水道-朵体沉积体系.陆坡地形对深水重力流沉积过程及沉积体系分布具有重要的影响,深水重力流沉积过程及产物也重新塑造了陆坡地形形态.研究陆坡地形与重力流之间的相互作用有利于预测重力流沉积分布及沉积物品质变化.
引文
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20彭大钧,陈长民,庞雄,等.南海珠江口盆地深水扇系统的发现.石油学报,2004,25:17-23
21彭大钧,庞雄,陈长民,等.从浅水陆架走向深水陆坡—南海深水扇系统的研究.沉积学报,2005,23:1-11
22庞雄,陈长民,彭大钧,等.南海珠江深水扇系统的层序地层学研究.地学前缘,2007,14:220-229
23Steffens G S,Biegert E K,Sumner H S,et al.Quantitative bathymetric analyses of selected deepwater siliciclastic margins:Receiving basin configurations for deepwater fan systems.Mar Petrol Geol,2003,20:547-561
24Ross W C,Halliwell B A,May J A,et al.Slope readjustment:A new model for the development of submarine fans and aprons.Geology,1994,22:511-514
25Calassou S,Moretti I.Sedimentary flattening and multi-extensional deformation along the West African margin.Mar Petrol Geol,2003,20:71-82
26Prather B E,Booth J R,Steffens G S,et al.Classification,lithologic calibration,and stratigraphic succession of seismic facies of intraslope basins,deep-water Gulf of Mexico.AAPG Bull,1998,82(Suppl5):701-728
27Lomas S A,Joseph P.Confined turbidite systems.In:Lomas S A,Joseph P,eds.Confined Turbidite Systems.London:Geological Society,2004.1-8
2Saller A,Werner K,Sugiaman F,et al.Characteristics of Pleistocene deep-water fan lobes and their application to an upper Miocene reservoir model,offshore East Kalimantan,Indonesia.AAPG Bull,2008,92:919-949
3Jackson C A L,Barber G P,Martinsen O G.Submarine slope morphology as a control on the development of sand-rich turbidite depositional systems:3D seismic analysis of the Kyrre Fm.(Upper Cretaceous),Maloy slope,offshore Norway.Mar Petrol Geol,2008,25:663-680
4Dunlap D B,Wood L J,Weisenberger C,et al.Seismic geomorphology of offshore Morocco’s east margin,Safi Haute Mer area.AAPG Bull,2010,94:615-642
5李磊,王英民,张莲美,等.尼日尔三角洲下陆坡限定性重力流沉积过程及响应.中国科学:地球科学,2010,40:1591-1597
6Posamentier H W,Davies R J,Wood L J,et al.Seismic geomorphology—An overview.In:Davies R J,Posamentier H W,Wood L J,et al,eds.Seismic Geomorphology:Application to Hydrocarbon Exploration and Production.London:Geological Society and SEPM,2007.1-20
7Posamentier H W,Kolla V.Seismic geomorphology and stratigraphy of depositional elements in deep-water settings.J Sediment Res,2003,73:367-388
8Wood L J.Quantitative seismic geomorphology of Pliocene and Miocene fluvial systems in the northern Gulf of Mexico,U.S.A.J Sediment Res,2007,77:713-730
9Cross,N E,Cunningham A,Cook R J,et al.Three-dimensional seismic geomorphology of a deep-water slope-channel system:The sequoia field,offshore west Nile Delta,Egypt.AAPG Bull,2009,93:1063-1086
10林畅松,杨海军,刘景彦,等.塔里木盆地古生代中央隆起带古构造地貌及其对沉积相发育分布的制约.中国科学D辑:地球科学,2009,39:306-316
11Sarkar S,Marfurt K J,Slatt R M.Generation of sea-level curves from depositional pattern as seen through seismic attributes-seismic geomorphology analysis of an MTC-rich shallow sediment column,northern Gulf of Mexico.Leading Edge,2010,29:1084-1091
12Prather B E.Controls on reservoir distribution,architecture and stratigraphic trapping in slope settings.Mar Petrol Geol,2003,20:529-545
13Smith R.Silled sub-basins to connected tortuous corridors:Sediment distribution systems on topographically complex sub-aqueous slopes.In:Lomas S A,Joseph P,eds.Confined Turbidite Systems.London:Geological Society,2004.23-43
14Heinio P,Davies R J.Knickpoint migration in submarine channels in response to fold growth,western Niger Delta.Mar Petrol Geol,2007,24:434-449
15邵磊,李学杰,耿建华,等.南海北部深水底流沉积作用.中国科学D辑:地球科学,2007,37:771-777
16Yuan S Q,Wu S G,Thomas L,et al.Fine-grained Pleistocene deepwater turbidite channel system on the slope of Qiongdongnan Basin,northern South China Sea.Mar Petrol Geol,2009,26:1441-1451
17Zhu M Z,Graham S,Pang X,et al.Characteristics of migrating submarine canyons from the middle Miocene to present:Implications for paleoceanographic circulation,northern South China Sea.Mar Petrol Geol,2010,27:307-319
18孙珍,庞雄,钟志洪,等.珠江口盆地白云凹陷新生代构造演化动力学.地学前缘,2005,12:489-498
19庞雄,陈长民,邵磊,等.白云运动:南海北部渐新统-中新统重大地质事件及其意义.地质论评,2007,53:145-150
20彭大钧,陈长民,庞雄,等.南海珠江口盆地深水扇系统的发现.石油学报,2004,25:17-23
21彭大钧,庞雄,陈长民,等.从浅水陆架走向深水陆坡—南海深水扇系统的研究.沉积学报,2005,23:1-11
22庞雄,陈长民,彭大钧,等.南海珠江深水扇系统的层序地层学研究.地学前缘,2007,14:220-229
23Steffens G S,Biegert E K,Sumner H S,et al.Quantitative bathymetric analyses of selected deepwater siliciclastic margins:Receiving basin configurations for deepwater fan systems.Mar Petrol Geol,2003,20:547-561
24Ross W C,Halliwell B A,May J A,et al.Slope readjustment:A new model for the development of submarine fans and aprons.Geology,1994,22:511-514
25Calassou S,Moretti I.Sedimentary flattening and multi-extensional deformation along the West African margin.Mar Petrol Geol,2003,20:71-82
26Prather B E,Booth J R,Steffens G S,et al.Classification,lithologic calibration,and stratigraphic succession of seismic facies of intraslope basins,deep-water Gulf of Mexico.AAPG Bull,1998,82(Suppl5):701-728
27Lomas S A,Joseph P.Confined turbidite systems.In:Lomas S A,Joseph P,eds.Confined Turbidite Systems.London:Geological Society,2004.1-8
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