南海中北部中新世陆坡凹陷沉积充填与古陆坡形态演变

黎明碧; 金翔龙; 李家彪; 初凤友; 方银霞; 唐勇

南海中北部中新世陆坡凹陷沉积充填与古陆坡形态演变

1.
浙江大学, 地球科学系, 浙江, 杭州, 310027;国家海洋局海底科学重点实验室, 浙江, 杭州, 310012
2.
国家海洋局海底科学重点实验室, 浙江, 杭州, 310012

基金项目: 国家重点基础研究发展规划资助项目(G2000046704)

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出版历程
- 收稿日期: 2004-03-10
- 修回日期: 2004-09-22

Miocene deposition and palaeo-slope evolvement of the middle part of northern continental slope in the South China Sea

1.
Department of Geosciences, Zhejiang University, Hangzhou 310027, China;Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China
2.
Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China

摘要

摘要: 对中德合作“南海地球科学联合研究”和“中国边缘海的形成演化及重大资源的关键问题”的有关航次获得的地震资料进行层序地层和沉积相解释,并结合前人的研究成果,对南海中北部陆坡凹陷的构造和沉积特征进行了研究.研究结果表明,南海中北部陆坡区凹陷的构造演化经历了裂陷期、裂陷-坳陷过渡期和坳陷期三个阶段,沉积环境经历了河流-湖泊、浅海和深海的演化过程,不同演化阶段形成不同的地形形态.南海中北部地形演变可分为三个阶段,即早第三纪、早中新世-中中新世中期和中中新世中期-现在,其中早中新世中期-中中新世中期的沉积充填使陆坡形态发生了重要的转变,这次转变基本上奠定了现代意义上的陆架-陆坡-海盆的格局.
- 南海 /
- 陆坡区凹陷 /
- 早中新世-中中新世 /
- 沉积充填 /
- 形态转变
Abstract: The studies of tectonics and deposition of depression in the middle part of northern continental slope in the South China Sea were dealt with,based on the sequence stratigraphy and depositional facies interpretation of seismic profiles acquired by cruises of "China and Germany Joint Study on Marine Geosciences in the South China Sea" and "The formation,evolution and key issues of important resources in China marginal sea",and combining with the previous studies in the study area.It is shown that the tectonic evolution of continental slope depressions can be divided into rifting,rifting-depression transitional and depression stages,while their depositional environments change from river to shallow marine and abyssal,which results in different topography in different stages.The topographic evolvement in the study area includes three stages,that is,Eogene,middle stage of early Miocene to middle Miocene and late Miocene to present,in which the infill of depressions during the second stage results in the crucial change of slope shape,and forms the present style of the slope.
- South China Sea /
- continental slope depression /
- Early-Middle Miocene /
- deposition /
- continental slope shape evolvement

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参考文献(18)

杨川恒,杜栩,潘和顺,等.国外深水领域油气勘探新进展及我国南海北部陆坡深水区油气勘探潜力[J].地学前缘,2000,7(3):247-256.

刘铁树,何仕斌.南海北部陆缘盆地深水区油气勘探前景[J].中国海上油气(地质),2001,15(3):164-169.

李平鲁.南海北部陆缘盆地构造单元划分命名建议[J].中国海上油气(地质),1999,13(6).460-461.

庞雄,陈隽,戴一丁,等.珠江口盆地白云西-开平凹陷油气聚集及勘探目标研究[J].中国海上油气(地质),1995,9(4):237-245.

金翔龙,吕文正,柯长志,等.南海地球科学研究报告[J].东海海洋,1989,7(4):20-29.

黎明碧,金翔龙,初凤友,等.神狐-一统暗沙隆起中部新生代地层层序划分及沉积演化[J].沉积学报,2002,20(4):545-551.

PRATHER B E,BOOTH J R,STEFFENS G S,et al.Classification,lithologic calibration and stratigraphic succession of seismics facies from introslope basins,deep water Gulf of Mexico,USA[J].AAPG Bulletin,1998,82(5):701-728.

PRATHER B E.Calibration and visualization of depositional process for above-grade slopes:a case study from the Gulf of Mexico[J].Marine and Petroleum Geology,2000,17:619-638.

SINCLAIR H D,TOMASSO M.Depositional evolution of confined turbidite basins[J].Journal of Sedimentary Research,2002,72(4):451-456.

黄丽芬,杨少坤,杜旭,等.珠江口盆地TB2.1层序低位扇的发现及油气预测[J].勘探家,1996,1(2):42-45.

杨少坤,黄丽芬,李希宗,等.珠江口盆地特殊层序地层模式及其对勘探的指导意义[J].中国海上油气(地质),1996,10(3):137-143.

刘建华.南海中部地震反射波特征及其地质解释[J].海洋学报,2000,22(6):73-80.

李希宗,黄丽芬.开平凹陷的低位体系域及其勘探意义[J].中国海上油气(地质),1994,8(6):401-409.

龚再生李思田.南海北部大陆边缘盆地分析与油气聚集[M].北京:科学出版社,1997.150-163.

龚再生.中国近海大油气田[M].北京:石油工业出版社,1997.123-156.

黎明碧,金翔龙.南海北部陆隆地震反射特征[A].中国地球物理学会年刊[C].北京:地震出版社,2002.248-248.

LUDMANN T,WONG How-kin,WANG Pin-xian.Plio-Quatemary sedimentation processes and neotectonics of the northern continental margin of South China Sea[J].Marine Geology,2001,172:331-358.

CLIFT Peter,LEE Jae Il,CLARK Marin1 K,et al.Erosional response of South China to rifting and monsoonal strengthening;a record from South China Sea[J].Marine Geology,2002,184:207-226.

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