• 主要沉积微相为水下分流河道、河口坝、席状砂、天然决口等。

    The main sedimentary microfacies comprise distributary channel, mouth bar, distal bar, blanket sand, natural levee and crevasse splay.

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  • 黑石渡组属于向上变早期为冲积沉积中期为洪泛平原决口扇三角洲沉积晚期为深湖浊流沉积

    HsdF developed the fining upward sequences, and alluvial fan in the early stage, floodplain and crevasse splay and fan delta in the middle stage, and lacustrine turbidites in the late stage.

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  • 黄河决口扇前缘洼地沉积形成鱼台组

    Yutai group which is formed by sedimentary of Huanghe cressave splay edge;

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  • 三角洲平原分流河道沉积底部发育沼泽沉积发育植物褐煤沉积;三角洲前缘河口砂坝沉积粒度较平原决口粗。

    Mud gravel is often found in the base of distributary channel sediment, plant root and lignite often develop in the swamp sediment.

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  • 三角洲平原分流河道沉积底部发育沼泽沉积发育植物褐煤沉积;三角洲前缘河口砂坝沉积粒度较平原决口粗。

    Mud gravel is often found in the base of distributary channel sediment, plant root and lignite often develop in the swamp sediment.

    youdao

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