cross bedding

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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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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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

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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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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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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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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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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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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