primary sedimentary structure

常见例句

To restore the original occurrence condition of a primary sedimentary structure 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。
Then use antitone structural analysis method to recognize and reconstruct the primary tectonic structure and sedimentary feature of a basin in certain geological history.
要认识和重建某个地质历史时期盆地的原始构造格局和沉积特征，就必须除去后期叠加的构造层和构造变形，即反序构造分析法。
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。