发育的沉积相类型有冲积扇相、河流相、湖漫相、湖泊相、扇三角洲相、三角洲相、湖底扇相和火山岩相。

The sedimentary facies developed mainly include alluvial fan, fluvial, lake flat, lacustrine, fan delta, delta, lake-floor fan and volcanic rocks.

youdao

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.

youdao