大亚湾表层沉积物以粉砂质粘土、粘土质粉砂及粉砂为主组成。
The particle size of the surface sediments in Daya Bay mainly consisted of silty clay, clay silt and silt.
结果表明，南黄海的沉积物类型以粉砂质粘土(TY)和砂-粉砂-粘土(STY)为主。
The main results are as follows: the sediment types of the sampling stations mainly belong to silt-clay (ty) and sand-silt-clay (STY) in the Southern Yellow Sea.
黑土湖组为全新世早—中期湖沼相沉积的灰—灰黑色粘土类粉砂质粘土，含大量淡水螺蚌介壳；
Heituhu formation is gray and gray-black silty clay with limnological facies in early and middle period of Holocene, and bearing lots of spiral case;
研究表明第四纪下界存在于该剖面的灰绿色粘土粉砂质砂层与红褐色粉砂粘土质砂层之间（即M／G面上）。
We also discover the Lower Quaternary limit locates in M/G boundary or the interface between the grey-green clay-silty sand layer and brown-red silty clay sand layer.
研究表明第四纪下界存在于该剖面的灰绿色粘土粉砂质砂层与红褐色粉砂粘土质砂层之间（即M／G面上）。
We also discover the Lower Quaternary limit locates in M/G boundary or the interface between the grey-green clay-silty sand layer and brown-red silty clay sand layer.
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