下降盘，读音是xià jiàng pán，汉语词语，是地质学用语，指沿断层面相对向下滑动的断盘。
有利勘探目标分布在西部洼陷白音断层和塔拉南断层下降盘；
The prospective targets are distributed on the hanging wall of the Baiyin fault and the SOuthern Tala fault in the West sag of the sub-basin.
该矿高纯度CO2赋存的主要部位在煤层断裂带内及其周围的煤体下部，特别是下降盘的断裂带内。
The main location of the storage of the high -purity CO2 exists in the limits of the coal rupture zone, and the lower part of coal zone, especially in lower plate.
断裂的下降盘不仅可以作为沉积区，而且可以作为沉积物的通道，由此沉积物可以输送到沉积中心区域。
The hanging wall area of fault can be used not only as depositional area, but also as bypass for the sediments to the center area of deposition.
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