|
凝缩段特征及其与烃源岩的关系——以中国南方海相震旦系-中三叠统为例
田景春 陈洪德 张翔 聂永生 夏青松 赵强
摘 要:在层序地层学研究中,可用于确定层序的界面有层序的底界面、初始海泛面和最大海泛面,其中最大海泛面所对应的产物为凝缩段.对凝缩段的识别不仅是认识层序结构的关键,而且对分析地质历史时期全球相对海平面变化至关重要.以中国南方海相震旦系-中三叠统为例,在大量野外剖面详细观测的基础上,识别出凝缩段的物质表现形式有6种类型,分别是硅质岩、黑色页岩、泥质岩、生物化石层、泥晶灰岩和瘤状灰岩.不同类型的凝缩段虽然为不同沉积环境的产物,但均代表了全球性对海平面达到最高位置的产物,其形成时期对应于中国南方烃源岩最佳发育时期.
关键词:层序凝缩段;烃源岩;特征;震旦系-中三叠统;中国南方
分类号:TE112.1 文献标识码:A
文章编号:0253-9985(2006)03-0378-06
Features of condensed section and its relationship with source rocks:taking marine Sinian-Middle Triassic in southern China as examples
Tian Jingchun Chen Hongde Zhang Xiang Nie Yongsheng Xia Qingsong Zhao Qiang
|
基金项目:四川省重点学科建设项目(SZD0408)
作者简介:田景春(1963-),男,教授(博士生导师),储层沉积学、层序地层学、沉积地球化学、岩相古地理
作者单位:田景春(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
陈洪德(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
张翔(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
聂永生(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
夏青松(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
赵强(成都理工大学"油气藏地质及开发工程"国家重点实验室,沉积地质研究所,四川,成都,610059)
参考文献:
[1]Vail P R.The stratigraphic signature of tectonics,eustasy and sedimentology-an overiew[A].In:Einsela G,Ricken W,Seilacher A,eds.Cycles and events in stratigraphy[C].Berlin:Springer-V erlag,1991
[2]Haq B U,Hardenbol J,Vail P R.Chronology of fluctuating sea level since the Triassic[J].Science,1987,235:1 156-1 167
[3]陈洪德,覃建雄,田景春,等.右江盆地层序充填动力学初探[J].沉积学报,2000,18(2):165~171 Chen Hongde,Qin Jianxiong,Tian Jingchun,et al.Sequence filling dynamics of Youjiang basin,southern China[J].Acta Sedimentogica Sinica,2000,18 (2):165-171
[4]侯中健,陈洪德,田景春.右江盆地海相泥盆系-中三叠统层序界面成因类型与盆地演化[J].沉积学报,2000,18(2):205~209 Hou Zhongjian,Chen Hongde,Tian Jingchun.Genesis of sequence boundary and basin evolution in Youjiang basin during the Devonian to the Middle Triassic[J].Acta Sedimentogica Sinica,2000,18(2):205 -209
[5]贾振远,杨家騄,李志明,等.中国古大陆及其边缘早古生代层序地层及海平面变化的基本特征[J].地球科学,1997b,22(5):544~551 Jia Zhenyuan,Yang Jialu,Li Zhiming,et al.Sequence stratigra phy and sea level changes on Early Paleozoic paleocontinents and their margins in China[J].Acta Geosscientica Sinica,1997,22(5):544 -551
[6]彭军,陈洪德,田景春,等.川滇黔桂地区石炭系层序地层研究[J].沉积学报,2000,18(2):190~197 Peng Jun,Chen Hongde,Tian Jingchun,et al.Sequence tratigraphy study on the Carboniferous strata in Sichuan,Yunnan,Guizhou and Guangxi[J].Acta Sedimentogica Sinica,2000,18 (2):190-197
[7]覃建雄,陈洪德,田景春,等.川滇黔桂地区泥盆系层序地层分析[J].沉积学报,2001,18(2):172~180 Qin Jianxiong,Chen Hongde,Tian Jingchun,et al.Sequence stratigraphy of Devonian in Sichuan,Yunnan,Guizhou and Guangxi[J].Acta Sedimentogica Sinica,2000,18(2):172-180
[8]田景春,陈洪德,彭军,等.右江盆地深水沉积层序地层学研究[J].沉积学报,2000,18(2):210-214 Tian Jingchun,Chen Hongde,Peng Jun,et al.Study on sequence stratigraphy of deep water sediments in Youjiang basin[J].Acta Sedimentogica Sinica,2000,18(2):210-214
[9]吴诒,龚一鸣,李德清.华南泥盆系层序地层与岩石、年代地层界线间相关性探讨[J].地球科学,1994,19(5):565~574 Wu Yi,Gong Yiming,Li Deqing.Correlation of sequence stratigraphy to lithostratigraphy and chronostratigraphy of Devonian in South China[J].Acta Geosscientica Sinica,1994,19 (5):565 -574
[10]杨家騄,徐世球川黔湘交境寒武纪二级层序的划分及海平面变化[J].地球科学,1997,22(5):467~470 Yang Jialu,Xu Shiqiu.The second-order sequence division and sea level fluctuation in Cambrian on the border of Sichuan,Guizhou and Hunan[J].Acta Geosscientica Sinica,1997,22(5):467 -470
[11]威尔格斯署C K.层序地层学原理[M].徐怀大,魏魁生,洪卫东,译.北京:石油工业出版社,1993 Vailgus C K.Sea-level changes:an integrated approach.Xu Huaida,Wei Kuisheng,Hong Weidong,translated.Beijing:Petroleum Industry Press,1993
[12]钱奕中,陈洪德,刘文均.层序地层学理论和研究方法[M].成都:四川科学技术出版社,1994 Qian Yizhong,Chen Hongde,Liu Wenjun.Sequence stratigraphic theory and analyses[M].Chengdu:Science & Technology Press of Sichuan,1994
[13]Vail P R,Hardenbol J.Sea-level changes during the Tertiary[J].Oceans,1997,22:71 -79
[14]Kidwell S M.Condensed deposits in siliciclastic sequences:expected and observed features[A].In:Einsela G,Ricken W,Seilacher A,eds.Cycles and Events in Stratigraphy[C].Berlin:Springer-Verlag,1991.682-695
[15]葛铭,孟祥化,陈荣坤,等.海绿石质凝缩层:克拉通盆地层序地层划分对比的关键--华北寒武系凝缩层的特征和含义[J].沉积学报,1995,13(4):1~15 Ge Ming,Meng Xianghua,Chen Rongkun,et al.Glauconitic condensed sections:the key to correlation of sequence stratigraphy in the craton basin-characteristics and implication of the Cambrian condensed section of North China[J].Acta Sedimentogica Si-nica,1995,13(4):1 -15
|
|