| 惠民凹陷古近系沙河街组三段沉积体系 |
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| 引用本文： | 杨俊生,樊太亮. 惠民凹陷古近系沙河街组三段沉积体系[J]. 新疆石油地质, 2007, 28(4): 457-461 |
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| 作者姓名： | 杨俊生 樊太亮 |
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| 作者单位： | 1.中国石油大学 地球资源与信息学院, 山东 东营 257061; 2.中国地质大学 能源系, 北京 100083 |
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| 摘 要： | 惠民凹陷古近系沙河街组三段(Es3)由3个完整的中期基准面旋回和1个基准面上升半旋回构成。沙三段发育三角洲、扇三角洲、水下浊积扇、浊积水道、滑塌浊积岩以及湖泊相6种沉积相类型。以基准面升降半旋回为单元,上述6种沉积相在平面上可以组合成5种沉积体系:河流-三角洲沉积体系、三角洲-(滑塌)浊积扇体系、扇三角洲沉积体系、扇三角洲-滑塌浊积扇沉积体系、近岸水下扇沉积体系。以中期基准面旋回C3为例分析了沉积体系的平面分布特征。
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| 关 键 词： | 惠民凹陷 沙河街组 基准面旋回 沉积体系 |
| 文章编号： | 1001-3873（2007）04-0457-05 |
| 收稿时间： | 2006-12-29 |
| 修稿时间： | 2006-12-29 |
Depositional System of the Third Member of Shahejie Formation of Paleogene in Huimin Sag |
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| YANG Jun-sheng,FAN Tai-liang. Depositional System of the Third Member of Shahejie Formation of Paleogene in Huimin Sag[J]. Xinjiang Petroleum Geology, 2007, 28(4): 457-461 |
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| Authors: | YANG Jun-sheng FAN Tai-liang |
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| Affiliation: | 1. Faculty of Geo-Resources and Information, China University of Petroleum, Dongying, Shandong 257061, China; 2. China University of Geosciences, Beijing 100083, China |
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| Abstract: | The third member of Shahejie formation of Paleogene (Es3) in Huimin sag of Shandong province is divided into three middle base level cycles and one base level rising semi-cycle, which includes six types of sedimentary facies such as delta, fan delta, turbidite fan, turbidite channel, slump turbidite and lacustrine facies. These sedimentary facies could be assembled into such five depositional systems as fluvial-delta system, delta-(slump) turbidite system, fan delta system, fan delta-slump turbidite system and near-shore submarine fan system. Taking the middle base level cycle (C3) as an example, the horizontal distributions of these depositional systems are analyzed. |
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| Keywords: | Huimin sag Shahejie formation base-level cycle depositional system |
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