豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析

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豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析

文章导航 > 沉积学报 > 2009 > 27(2): 254-264

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

引用本文:

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

Citation:

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

引用本文:

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

Citation:

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析

齐永安

河南理工大学资源环境学院河南焦作 454000

通讯作者:
齐永安

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文章访问数: 2019
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被引次数: 0

Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan

QI Yongan

Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan 454000

More Information

Corresponding author: QI Yongan

摘要: 豫西济源中三叠世油房庄组下部发育曲流河沉积，以细砂、粉砂和粉砂质泥岩为主，局部含泥砾和粗砂岩。根据Miall的岩相分类法，油房庄组发育有17种岩相，主要有Sts、Sps、Sws、Fh、Fr、Fc、Ch和Cr等，可归纳为代表曲流河不同发展阶段的7种岩相组合类型。根据岩相类型和沉积构造特征，曲流河沉积识别出3个沉积亚相和8个沉积微相，其中河道亚相包括河道滞留沉积微相和边滩沉积微相；堤岸亚相包括天然堤沉积微相和决口扇沉积微相；洪泛平原亚相由近端洪泛平原沉积微相、远端洪泛平原沉积微相、永久性河漫湖泊微相和暂时性河漫湖泊微相组成。研究区河流曲率P为0.64，属于低弯度曲流河沉积。
- 油房庄组 /
- 中三叠世 /
- 岩相 /
- 沉积相 /
- 曲流河沉积
Abstract: The meandering fluvial deposits, preserved in Middle Triassic Youfangzhuang Formation of Jiyuan Area, western Henan，comprise mainly fine sandstone, siltstone and silty mudstone interbedded with conglomerate and coarse sandstone. According to Miall’s lithofacies classification, seventeen lithofacies can be recognized from Youfangzhuang Formation, the main lithofacies are Sts, Sps, Sws, Fh, Fr, Fc,Ch and Cr， which can be aligned to seven lithofacies associations. Based on the features of lithofacies types and sedimentary structures, the fluvial sedimentary facies of Youfangzhang Fm. can be subdivided into three sublithofacies and eight microlitofacies. The fluvial channel sinuosity(P) is 0.64, the fluvial deposits belong to lowsinuosity meandering fluvial deposits.
- Youfangzhuang Formation /
- Middle Triassic /
- lithofacies /
- sedimentary facies /
- meandering fluvial deposits

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文章访问数: 2019
HTML全文浏览量: 40
PDF下载量: 589
被引次数: 0

豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析

齐永安

河南理工大学资源环境学院河南焦作 454000

通讯作者: 齐永安

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2009-04-10

关键词:

曲流河沉积

摘要: 豫西济源中三叠世油房庄组下部发育曲流河沉积，以细砂、粉砂和粉砂质泥岩为主，局部含泥砾和粗砂岩。根据Miall的岩相分类法，油房庄组发育有17种岩相，主要有Sts、Sps、Sws、Fh、Fr、Fc、Ch和Cr等，可归纳为代表曲流河不同发展阶段的7种岩相组合类型。根据岩相类型和沉积构造特征，曲流河沉积识别出3个沉积亚相和8个沉积微相，其中河道亚相包括河道滞留沉积微相和边滩沉积微相；堤岸亚相包括天然堤沉积微相和决口扇沉积微相；洪泛平原亚相由近端洪泛平原沉积微相、远端洪泛平原沉积微相、永久性河漫湖泊微相和暂时性河漫湖泊微相组成。研究区河流曲率P为0.64，属于低弯度曲流河沉积。

English Abstract

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

引用本文:

齐永安. 豫西济源中三叠世油房庄组曲流河岩相类型及沉积相分析[J]. 沉积学报, 2009, 27(2): 254-264.

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

Citation:

QI Yongan. Lithofacies and Sedimentary Facies from Middle Triassic Fluvial Deposits of Youfangzhuang Formation, Jiyuan Area, Western Henan[J]. Acta Sedimentologica Sinica, 2009, 27(2): 254-264.

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