沉积物组成了山区河流冲洪积相、湖沼相的灰色含煤建造，其物质成分与基底岩石具明显继承性。
Sediments in basins consist of grey coal-bearing formation composed of fluvial alluvial, proluvial fac ies, lacustrine-swamp facies. The material composition of sedim…
洛河组下段在盆地南部、西北和东南部边缘带，沉积体属于近缘的冲（洪）积物、泥石流和风化残积物；
The south, northwest and southwest of the downstream of Luohe formation are nearby material alluvial deposits, debris flow and weathered deposits.
在洞庭湖漫滩阶地的冲湖积淤泥质软土上，分布着一些次级牛轭湖和季节性洪道成因的极软淤积物。
There are some softer accumulation horizon in the ox-bow lake and season river on the huge mucky soil of alluvial and lacustrine deposits in accumulation terrace around Dongting lake.
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