psammitic structure
... psammitic rock 砂质岩 psammitic structure 砂屑构造 psammitic schist 砂屑片岩 ...
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其产状及结构构造特征表明 ,它是当时的海滩砂在海进过程中被搬运到海洋中 ,并与白云石砂屑混合而形成的。
The occurrence and texture and structure of sandy dolarenite show that the beach sands was transported into to the sea in the process of transgression, and mixed…
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