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.
恢複原生沉積搆造的原始産狀要素，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(rèn)識和重建某個地質(zhì)歷史時期盆地的原始搆造格侷和沉積特征，就必須除去後期曡加的搆造層和搆造變形，即反序搆造分析法。
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.
大塘坡原生錳鑛鑛躰形態(tài)和鑛石結(jié)搆較複襍，搆造簡單，屬濱海盆地相沉積。