原生构造

它标志着酸性火山熔岩在特定的古地理环境下所形成的原生构造的特殊性。

It shows that acidic volcanic lava has a specific characteristic of the primary structure in the specific paleogeographic environment .

侵入岩原生构造及其组合

Primary Structures and Their Association in Intrusive Rocks

因变形分解作用，在形成韧变带及流褶层的同时，也形成一些巨型透镜体，它们为弱变形域或未变形域，其内原生构造保存完整。

Some large scale structual lenticles , in which primary sedimentary structures have been well presserved , formed by deformation partitioning coeval with the bedding ductile shear belts and rheid fold layers .

本文从地质学角度，通过对碴瓦莫拉矿床矿石和岩石原生构造，次生构造以及热液物质与矿化关系等大量野外观察资料的研究，为同生沉积说提供了地质依据。

From geological point of view , through the studies of a large quantity of field observations on the relationship between primary / secondary tectonic features of ore / hostrock , hydrothermal substances and mineralisation , the paper provides some evidences to ' synsedimentary theory ' .

恢复原生沉积构造的原始产状要素，是古水流分析中的一项重要基础工作。

To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis .

根据沉积物的性质、结构及原生沉积构造，将三都红盆冲积扇体划分为21种沉积微相类型。

On the basis of the properties , textures and primary structure of deposits , 21 sedimentary microfacies types are distinguished in the alluvial fan of the Sandu red basin .

这是一个复杂的过程，可划分为四个阶段：1.蒸发盐岩层塑性变形和矿物相的转变导致原生沉积构造破坏和部分角砾岩化；

This process is very complicated and can be divided into four sages : 1 . Destruction of primary sedimentary structures and partial brecciation by plastic deformation of evaporites and by phase change of some minerals ;

另一方面，关于微生物形成的原生沉积构造的研究，对于了解地球表层生物变化与沉积变化之间的复杂关系将会发现更多的新问题而得到进一步的思考与研究。

On the other hand , the study on the ( microbial-induced ) primary sedimentary structures should give rise to new questions and perspectives of the ( complex ) relationship between the biological change and the sedimentary change .

在地层序列中古土壤的识别标志主要包括颜色、粒度、生物成因构造（植物生长痕迹）、原生沉积构造退化特征、层次化和边界特征、宏观结构特征、矿物及地球化学特征等。

The features for identifying paleosols mainly include color , granularity , biogenetic structure ( the trace of plant growth ), degradation character of original depositional structure , arrangement , boundary character , macro-structure character , mineral and geochemical characters .

黄土节理主要分为原生节理、构造节理、风化节理和卸荷节理。

Loess joints can be generally classified into primary joints , structural joints , weathering joints and unloading joints .

玄武岩的原生建造、构造作用和风化卸荷，对岩体结构和工程性状有较大的影响。成岩中形成的层面构造和层节理是层间错动和层内错动产生的基础。

The rock mass texture and engineering property are obviously influenced by the primary formation , tectonism , weathering and unloading of basalt .

其总的成因机制主要有：原生建造、构造作用和浅表生作用等机制，各大类中还可细分为几种具体的力学机制。

The major genesis mechanism includes primary formation , tectonism and epigenetic action . And each of them can be divided into several types according to their mechanical mechanism .

分析了原生金矿控矿构造上方土壤中高氦异常及不同地质构造单元上方氦的分带性；

This paper analyses the abnormality of helium above fault structures of primary gold ore , and zone of different geologic structural units .

对原生结构煤和构造煤导电性差异的研究有助于提高测井曲线解译的准确率。

The study on the conductivity difference of the primary structure coal and structure coal would be favorable to improve the accuracy of the logging curve explanation .

由于受原生建造、后期构造改造和浅表生作用的影响，岩体中常发育多组裂隙，形成相互交切的结构面网络系统，使岩体结构复杂化。

Under the influence of original formation , tectonic reconstruction , superficial and epigene-action , network of structure planes was created in rock mass , accordingly complicated the rock mass structure .