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(fù)原生沉積構(gòu)造的原始產(chǎn)狀要素，是古水流分析中的一項重要基礎(chǔ)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(zhì)歷史時期盆地的原始構(gòu)造格局和沉積特征，就必須除去后期疊加的構(gòu)造層和構(gòu)造變形，即反序構(gòu)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(jié)構(gòu)較復(fù)雜，構(gòu)造簡單，屬濱海盆地相沉積。