火山-碎屑充填盆地的层序地层学研究——以松辽盆地长岭断陷为例

王苗; 陆建林; 左宗鑫; 王保华; 李浩; 张彦霞

doi:10.11781/sysydz201606796

火山-碎屑充填盆地的层序地层学研究——以松辽盆地长岭断陷为例

doi: 10.11781/sysydz201606796

中国石化石油勘探开发研究院无锡石油地质研究所, 江苏无锡 214126

基金项目: 中国石化科技开发部项目“长岭断陷结构与充填特征及成藏组合研究”（P13073）资助。

详细信息

作者简介:
王苗(1985-),女,硕士,工程师,从事层序地层学、沉积学研究。E-mail:wangmiaowx.syky@sinopec.com。

中图分类号: TE121.34
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出版历程
- 收稿日期: 2015-09-01
- 修回日期: 2016-10-09
- 刊出日期: 2016-11-28

Sequence stratigraphic research of volcanic and clastic sediment basins: A case study of Changling Fault Depression in Songliao Basin

Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

摘要

摘要: 针对长岭断陷早白垩世地层受多期构造运动和火山改造影响，地层结构复杂、对比困难等问题，该文运用新采集的岩心、测井、地震及测年资料，在盆地形成的动力学机制及火山作用系统分析的基础上，以层序地层学、沉积学理论为指导，对断陷层结构及层序地层特征开展了研究。提出了“火山岩+碎屑岩”二元结构的层序界面识别方法，建立了长岭断陷早白垩世断陷层层序地层格架；提出了3种层序构成样式，分别为火山断陷湖层序构成样式，“火山岩+碎屑岩”二元结构的缓坡坡折型层序样式，“火山岩+碎屑岩”复合层状层序样式。这3种层序构成样式能有效确定生储盖层的组成特征。
- 层序构成样式 /
- 层序地层学 /
- 火山碎屑盆地 /
- 早白垩世 /
- 长岭断陷 /
- 松辽盆地
Abstract: The Early Cretaceous is complicated and hard to compare since it was influenced by multiple tectonic movements and volcanism. In order to resolve the problems mentioned above, we studied stratum structure and sequence stratigraphy based on freshly obtained outcrop, core, well logs, seismic and dating data, using basic principles of sequence stratigraphy and sedimentology. The kinetic mechanism and volcanism in this area were also considered in the research. Some identification methods for dual-structure basins with "volcanic rocks and sedimentary rocks" were put forward, and the stratigraphic sequence framework of the Early Cretaceous in the Changling Fault Depression was set up. Three sequence patterns were proposed:volcanic fault lake sequence, gentle slope composed of "volcanic and sedimentary rocks" in a dual structure sequence, and "volcanic and sedimentary rocks" constitute straticulate (finely laminated) sequence. These sequence patterns have a guiding significance for identifying source, reservoir and cap rock assemblages.
- sequence stratigraphic pattern /
- sequence stratigraphy /
- volcanic debris basin /
- Early Cretaceous /
- Changling Fault Depression /
- Songliao Basin

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参考文献(13)

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