... crescent scour mark 新月形冲蚀痕 crescent type cross-bedding 槽状交错层理 crescent wrench 钩扳手 ...
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... trough cross-bedding 槽形交错层 trough cross-stratification 槽状交错层理 trough fault 断槽 ...
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...wedge-shaped cross bedding） 层系界面为平面， 且互相不平行， 层系厚度变化明显呈楔形 槽状交错层理（trough cross bedding） 层系底界为槽形冲刷面， 纹层顶部被切割。
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具有大型单斜层理、槽状交错层理和低角度交错层理，底部具冲刷面；
Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
根据其岩性特征和槽的组合分为单岩性槽状交错层理和复合槽状交错层理。
On the basis of the lithologic characters, the trough cross stratification were divided into single lithologic and multiple unit.
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.
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