A seismic geomorphology study of the fluvial and lacustrine-delta facies of the Cretaceous Quantou-Nenjiang Formations in Songliao Basin, China
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- 作者：Meng Qi'ana ; mengqian@petrochina.com.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Zhang Shuna ; ; Sun Guoxina ; Fu Xiulia ; Wang Chaoa ; Shang Yaob
- 关键词：Fluvial system ; Delta system ; Turbidity current system ; Songliao Basin ; Seismic geomorphology
- 刊名：Marine and Petroleum Geology
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：78
- 期：Complete
- 页码：836-847
- 全文大小：7696 K
文摘
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A geological model of point bar is established and the method to identify paleocurrent direction is proposed.
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Two types of delta were recognized in Yaojia Formation of Songliao Basin.
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Large-scale turbidity current systems have been found in the TST of k2n1 Formation.
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Fourteen sub-lacustrine fans in different sizes were formed by turbidity current flowing from the delta to the lake.
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The sedimentary model provides a guiding significance and a new technological means for the optimization of exploration targets.