... clayey loam 亚砂土 clayey silt 粘质粉土 ; 粘土质粉砂 ; 黏土粉土 ; 黏土质粉土 clayey sandstone 粘土质砂岩 ...
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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.
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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