向斜
- 网络Syncline;Synclinorium;synform
-
矿区位于兴宁复式背斜与那豆背斜之间的太平向斜,总体呈NW~SE向展布,区内主要发育有走向NE和NW两组断裂。
The district is located on the Taiping syncline between the Xingning anticlinorium and the Nadou anticline , striking along NW-SE in the whole . Two groups of faults , striking in NE and NW , are developed in this area .
-
结果表明:侏罗系剥蚀厚度一般在200~1000m,原始沉积厚度约1000~1500m,厚度稳定,以河湖交互沉积为主,是在印支期形成的向斜坳陷背景上发育的断陷盆地;
The Jurassic formation is fault basin developed within syncline formed during Indo-Chinese movement , which are mainly alternative fluvial and lake deposition with strata erosion thickness of 200-1000m and stable original sedimentary thickness of 1000-1500m .
-
P2w+c含水层,受上覆地层水和向斜东翼层间水入渗的影响明显;
The P2w + c aquifer is influenced by water from upper stratum and west wing of the syncline ;
-
富Se岩石和缺Se岩石各自产于褶皱的两翼和向斜核部。
Se_rich rocks are located in either the flanks or synclinal core .
-
在从尖晶石橄榄岩向斜长石橄榄岩的相转变过程中,尖晶石强烈富Ti,且其Cr/(Cr+Al)逐渐增大;斜方辉石中的Ti含量和Cr/(Cr+Al)同时逐渐增大;
During transition from spinel-lherzolite to plagioclase-lherzolite facies , spinel is very rich in Ti and its Cr / ( Cr + Al ) increases , Ti content and Cr / ( Cr + Al ) of orthopyroxene increase simultaneously ;
-
圈定结果表明,在3.5km以下深度范围,凸起面积增大,早第三纪凹陷面积缩小,而且凹陷内下第三系呈向斜形态。
It is shown that the uplift scope increased , the depression area decreased , and the inner formation of the depression took the shape of syncline .
-
鲁西地区早前寒武纪(变质岩区)基底褶皱主要型式为泰山岩群组成的向斜与TTG花岗岩组成的背形间列。
The main pattern of the basement folds in the Early Precambrian metamorphic terrane of western Shandong is represented by alternate arrangement of synclines made up of the Taishan Rock Group and the anticlines composed of TTG granite .
-
研究结果表明:矿床的空间定位受晚古生代向斜盆地及其中的层间断裂带(F1F3)与北东向、东西向断裂交切复合部位及燕山期岩浆活动中心引起的环形构造联合控制;
The results of studies suggest the location of uranium deposits is jointly controlled by Late Palaeozoic synclinal basin , the intersection parts of interformational faults ( F1 , F3 ) in the basin with NE and EW trending faults and circular structures caused by Yanshanian magmatic activity centers .
-
当阳复向斜上组合生烃潜力及其含油气系统
Hydrocarbon-generating Potential and Petroleum System of Upper Assemblage of Dangyang Synclinorium
-
石柱复向斜北部飞三段储层模式识别
Reservoir Pattern Recognition in T_1f_3 in the North of Shizhu Synclinorium
-
矿床的形成经历了复式向斜构造的形成;
The gold deposit underwent the formation of the composit anticline ;
-
向斜构造煤层开采地表移动规律研究
Study on the subsidence pattern in mining coal seams with syncline structure
-
向斜构造对结构面力学效应的控制
Control of mechanical effect of structural plane by syncline structure
-
褶皱对煤层气藏的形成非常有利,尤其是王营~刘家向斜的向斜控气作用明显。
The fold especially syncline-controlling is favorable for CBM reservoir .
-
基坑竖向斜支撑基础设计
Design of the vertical inclined brace foundation in excavation engineering
-
主期构造特征表现为受盲冲断裂控制的背向斜构造。
Typical structures were folds controlled by blind thrust faults .
-
向斜轴部陷落柱对巷道的破坏及修复方法
Roadway damage and its maintenance caused by subsided column in synclinal axis
-
锚索加强支护在煤巷道过向斜轴部的应用
Application of Anchorage Cable Reinforced Support in Synclinal Shaft of Coal Road
-
长白向斜晚古生代含煤环境分析
Analysis of Late Palaeozoic coal & bearing environment in the Changbai syncline
-
影响一号向斜煤层气可采性的主要地质因素
Main geological factors affecting coalbed methane recoverability of No.1 syncline
-
在横剖面上,这个向斜构造看起来是不对称的,这种褶皱称为倾斜褶皱。
In profile , the syncline is asymmetrical and called inclined fold .
-
向斜中油气藏圈闭条件的探讨
Discussion on the condition of forming petroleum traps in syncline
-
向斜的主体变形时间和断层形成时代基本上可以看作是准同时的。
The ages of syncline and thrusts are almost in the same period .
-
向斜厚煤层条件下井筒与工业广场煤柱开采
Coal pillar mining under mine shaft and industrial square in downfold thick seam
-
实践证明,向斜仍具良好的找气前景。
It is proved practically that the synclines are of good gas prospects .
-
向斜轴靠近煤田东侧,西翼平缓,倾角由北往南增大;东北地区的直銎铜斧
The axes is near the eastern coalfield . Socket Axes in Northeast China
-
向斜构造对露采边坡稳定性的控制作用分析
Analysis of the control action of syncline structure to the open pit slope stability
-
向斜构造特征主要控制影响边坡稳定的主导因素;
The syncline structure feature mainly controls the leading factors influencing the slope stability .
-
浑江煤田褶皱主要以向斜为主,具有复式褶皱的特点。
The folds are mainly synclines , which have the characteristic of complex folds .
-
槽隆与台向斜构造对比的流体包裹体研究
The study on fluid inclusion in the tectonic correlation between geosynclinal uprise and Syneclise