primary sedimentary structure

常見例句

To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis.
恢復原生沉積構造的原始產(chǎn)狀要素，是古水流分析中的一項重要基礎工作。
Then use antitone structural analysis method to recognize and reconstruct the primary tectonic structure and sedimentary feature of a basin in certain geological history.
要認識和重建某個地質歷史時期盆地的原始構造格局和沉積特征，就必須除去后期疊加的構造層和構造變形，即反序構造分析法。
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.
大塘坡原生錳礦礦體形態(tài)和礦石結構較復雜，構造簡單，屬濱海盆地相沉積。