cross bedding

The first member of Daye limestone yields hummocky ripple marks, hummocky cross bedding and graded bedding, which are the reflection of storm process.

其第一段岩石发育了丘状波痕、丘状交错层理及粒序层理，是风暴作用的反映；

High angle tabular cross bedding and low angle wedge cross bedding are generally found on the cross section of the dunes.

沙丘内部发育有高角度板状交错层理、低角度楔状交错层理等层理构造。

Structure of sedimentary rocks: bedding, cross bedding, mud cracks and ripples.

沉积岩的构造: 层理 、 交错层理泥裂和波痕.

B. sandstone with hummocky or sunken cross bedding and parallel bedding;

具丘状、洼状交错层理或平行层理的砂岩；

The attitude of the cross-bedding indicates that the current flowed to the west.

交错层的产状,说明当时河水是向西流的.

The large scale block bedding, parallel bedding and cross bedding that are formed in upper flow regime were well developed;

发育反映急水流的大型块状层理、平行层理和交错层理；

Plannar cross bedding sandstone facies;

具浪成交错层理的砂岩.（4）板状交错层理砂岩相；