松辽盆地布海合隆地区泉头组河流相层序地层学特征

方石; 刘招君; 胡显辉

doi:10.11781/sysydz200301033

松辽盆地布海合隆地区泉头组河流相层序地层学特征

doi: 10.11781/sysydz200301033

1.
吉林大学, 地球科学学院, 吉林, 长春, 130061
2. 华北油田, 物探研究所, 河北, 任丘, 050080

基金项目: 中国石油天然气总公司"九五"重点攻关项目(981707038).

详细信息

作者简介:
方石(1974-),男(汉族),新疆人,博士生,主要从事盆地分析及层序地层学研究.

中图分类号: P539.2
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- 被引次数: 0
出版历程
- 收稿日期: 2002-08-15
- 修回日期: 2002-12-10
- 刊出日期: 2003-01-25

SEQUENCE STRATIGRAPHIC CHARACTERISTICS OF FLUVIAL FACIES IN THE QUANTOU FORMATION OF BUHAIHELONG AREA, THE SONGLIAO BASIN

1.
College of the Earth Sciences, Jilin University, Changchun, Jilin 130061, China
2. Research Institute of Geophysical Prospecting, Huabei Oilfield, Renqiu, Hebei 050080, China

摘要

摘要: 该文根据布海合隆地区泉头组河流相及其各层序地层单元在露头、岩心、测井和地震资料中的发育特征,从他生旋回和自生旋回的角度分析了3种河流类型形成机制的差异,并根据他生旋回的控制因素———基准面的变化情况,划分出了本区的层序地层格架,建立了河流相层序地层学模式:低水位体系域以侧向加积为主,以发育辫状河为特征;水进体系域以垂向加积为主,以发育网状河为特征;高水位体系域以侧向加积为主,以发育低能曲流河为特征;水退体系域以侧向加积为主,以发育高能曲流河为特征.
- 河流相 /
- 基准面 /
- 层序地层模式 /
- 布海合隆地区 /
- 松辽盆地
Abstract: Based on the developing characteristics of fluvial facies and each sequence stratigrahic unit in the Quantou Formation of Buhaihelong area,the Songliao Basin,which was observed in outcrop,core and seismic data,the differences among the formation mechanism of three stream types were analysed from the angles of allogenic cycles and authigenic cycles.According to the controlling factor of allogenic cycles,that is,the changes of the base level,the sequence stratigraphic framework of the study area was divided,and the sequence stratigraphic model of fluvial facies was established.The lowstand system tract (LST) is dominated by lateral accretion and characterized by developing braided streams;the transgressive system tract (TST) is dominated by vertical accretion and characterized by developing reticulated streams;the highstand system tract (HST) is dominated by lateral accretion and characterized by developing lowenergy meandering streams;and the regressive system tract (RST) is dominated by lateral accretion and characterized by developing highenergy meandering streams.
- fluvial facies /
- base level /
- sequence stratigraphic model /
- Buhaihelong area /
- the Songliao Basin

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参考文献(13)

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