古水流方向与物源分析研究表明，延长组长4 +5期，有东北部和西南部两个主物源方向。
Research on paleocurrent directions and provenances indicate northeast and southwest direction are the two major sediment resources of Chang 4 + 5oil-bearing bed.
河道砾岩和漫流砾岩中层理的收敛方向及硅化木走向均表明本区古水流方向为近北西—东南向。
The convergence direction of bedding and the strike of petrified wood in the channel deposits and sheetflood deposits show that the paleocurrent flowed from northwest to southeast.
通过应用举例，证实该方法准确、迅速、有效，为现场工作人员提供了快速确定古水流方向的经验。
It proves by the examples that the method is correct, fast and effective, it can provide experience for wellsite operators to determine palaeo water flow direction quickly.
本文采用地层倾角方位频率图和蓝模式矢量方向研究古水流方向和沉积砂体延伸方向和沉积砂体的相带变化特征。
The dip frequency plot and vectograph of blue mode were used to study the paleocurrent, the extension o.
地质学家可用麦卡托投影来绘制古生界沉积中的水流方向。
Mercator might be used by a geologist mapping current directions in palaeozoic sediment.
地质学家可用麦卡托投影来绘制古生界沉积中的水流方向。
Mercator might be used by a geologist mapping current directions in palaeozoic sediment.
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