恢复原生沉积构造的原始产状要素，是古水流分析中的一项重要基础工作。
To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis.
根据沉积物的性质、结构及原生沉积构造，将三都红盆冲积扇体划分为21种沉积微相类型。
On the basis of the properties, textures and primary structure of deposits, 21 sedimentary microfacies types are distinguished in the alluvial fan of the Sandu red basin.
大塘坡原生锰矿矿体形态和矿石结构较复杂，构造简单，属滨海盆地相沉积。
The shape of Datangpo primary manganese deposit and its ore structure are comparatively complex but the structure is simple which belongs to the sedimentary of littoral basin facies.
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