The dip frequency plot and vectograph of blue mode were used to study the paleocurrent, the extension o.
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。
Research on paleocurrent directions and provenances indicate northeast and southwest direction are the two major sediment resources of Chang 4 + 5oil-bearing bed.
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。
The method shown in this paper could be a new way to analyze the paleocurrent in paleo-limnological delta and will provide new scientific data to serve the petroleum exploration.
沉积物磁各向异性的研究方法本身也为古湖泊三角洲流向分析提供了新手段，为油气勘探的深化提供了新的科学依据。
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.
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。
Integrating the high covering faculty of indirect methods and the high local accuracy of direct methods, a much accurate prediction about paleocurrent direction is put forward in this paper.
文中综合各种方法，将直接预测方法的高精度和间接方法的高覆盖能力结合起来，对古流向作出较高精度的预测。
The study of the hydrodynamics indicates that the reliable data of the paleocurrent can be collected through features of the size grading, low angle inclined bedding and the backward bedding.
沉积水动力学分析表明可以从槽状交错层理特征中的粒序、低角度斜层和逆向层理提取可靠的古流信息。
The study of the hydrodynamics indicates that the reliable data of the paleocurrent can be collected through features of the size grading, low angle inclined bedding and the backward bedding.
沉积水动力学分析表明可以从槽状交错层理特征中的粒序、低角度斜层和逆向层理提取可靠的古流信息。
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