| 扇三角洲体系作为层序中体系域类型的识别标志 |
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| 引用本文： | 程日辉,刘招君,徐勇.扇三角洲体系作为层序中体系域类型的识别标志[J].吉林大学学报(地球科学版),1996(4). |
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| 作者姓名： | 程日辉 刘招君 徐勇 |
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| 作者单位： | 长春地质学院能源地质系，鞍山冶金设计研究院 |
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| 摘 要： | 扇三角洲体系可发育在断陷盆地演化的不同阶段，但类型有所不同，分为进积型和退积型。松辽东缘断陷盆地中扇三角洲体系不同类型在盆地充填序列中发育位置反映出湖侵—湖退的周期过程。特点是伴随湖侵发育退积型扇三角洲，而伴随湖退发育进积型扇三角洲。扇三角洲类型的特征与发育位置分析可以作为体系域类型的识别标志，并有助于层序过程的理解
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| 关 键 词： | 扇三角洲 进积型 退积型 体系域 |
FAN DELTA SYSTEMS AS THE RECONGNITION OF THE TYPES OF SYSTEM TRACTS IN SEDIMENTARY SEQUENCE |
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| Cheng Rihui,Liu Zhaojun.FAN DELTA SYSTEMS AS THE RECONGNITION OF THE TYPES OF SYSTEM TRACTS IN SEDIMENTARY SEQUENCE[J].Journal of Jilin Unviersity:Earth Science Edition,1996(4). |
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| Authors: | Cheng Rihui Liu Zhaojun |
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| Abstract: | Fan delta systems including the progradational one and the retrogradational one can be developed at different evolution stages of a fault basin. The developments of fan delta systems with different typies in the basin filling sequences reflect the transgresive-regressive processes of lake in the fault basins of the eastern margin of Songliao. The retrogradational fan delta occured with the transgressive process and the progradational fan delta occured with the regressive process. The characteristics of fan delta types related to their occuring positions can be as the recoginition of the types of system tracts in a sedimentary sequence and they are important to interprete the sequence processes. |
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| Keywords: | fan delta progradational type retrogradational type system tracts |
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