cross bedding

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；

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They are mainly lithic arkosic sandstones and feldspar-lithic quartzose sandstones and are characterized by good sorting, higher textural maturity, fine granularity, lower compositional maturity and development of large-scale cross bedding, showing relatively distinct eolian features.

它们以良好的分选性和较高的结构成熟度、较细的粒度、较低的成分成熟度和大型交错层理的发育为特征，显示出较为明显的风成沉积特点。

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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；

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Compared with the normal tidal flat sedimentation, the storm sedimentation has the characteristics of coarse particle, bad sorting, relatively high roundness, obviously graded bedding, typical parallel bedding, cross bedding.

该带的风暴沉积与正常的潮滩沉积比较，具有粒度较粗，分选较差，磨圆稍好，递变现象明显，平行层理或波状交错层理发育比较典型的特征。

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Sedimentary structures are mainly massive bedding, large trough cross bedding and oblique bedding with few parallel bedding, wave bedding and horizotal bedding;

沉积构造以块状层理、大型槽状交错层理和斜层理为主，见平行层理、波状层理和极少量的水平层理。

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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.

词典精选例句

The beddings of sandstones developed in varied ways, among which cross bedding, horizontal bedding, parallel bedding, bed scour and fossils of plant stems and leaves took the majority.

砂岩层理发育丰富，主要有交错层理、水平层理、平行层理、冲刷面和植物茎叶化石等。

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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；

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on the cross section, lateral accretion cross-bedding is very obvious; on the longitudinal section, parallel bedding and cross bedding are relatively obvious, while the characteristics of the delta three-tier structure are obvious.

在横剖面上，侧积交错层理表现十分明显；在纵剖面上，平行层理、交错层理表现较明显，三角洲的三层结构特征明显。

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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.

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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。

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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；

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