palaeocurrent analysis 古水流分析
palaeocurrent indicator 古水流标志
bimodal palaeocurrent direction 双向古水流方向
N an ancient current, esp of water, evidence of which has been preserved in sedimentary rocks as fossilized ripple marks, etc 古水流 [geology]
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。
This paper aims to analyze the stratigraphic and petrological characteristics, the palaeocurrent, and the clastic compositions of Xueshan Formation.
本文重点研究了雪山组的地层特征、古水流特征以及砂岩碎屑组分特征，在此基础上简单分析了其沉积相特征。
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