To restore the original occurrence condition of a primarysedimentarystructure is a routine work for palaeocurrent analysis.
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。
2
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.
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。
3
On the basis of the properties, textures and primarystructure of deposits, 21 sedimentary microfacies types are distinguished in the alluvial fan of the Sandu red basin.