带状构造

黑钨矿中微量元素的赋存状态葠带状构造

The existence state of minor elements in wolframite and its zonal structure

从化学成分上来看，这种带状构造主要是由于Fe、Mn含量的变化。

Chemically , fissural zoning is due to variations in Fe and Mn concentrations .

法国中央高原Beauvoir花岗岩中铌钽矿的带状构造：类型、化学成分和形成条件

Zoning in columbite crystals from the Beauvoir granite , massif central , france : types , composition and constraints on their formation

运用扫描电子显微镜和电子探针，对法国中央高原的Beauvoir花岗岩中铌钽矿进行的研究表明，这些矿物具有多种类型的带状构造。

Scanning electron microscope and electron microprobe analyses of the columbite crystals from the Beauvoir granite ( Massif central , France ) indicate that the Nb-Ta minerals show different zoning patterns .

铌钽矿的韵律式带状构造由Beauvoir花岗岩的复杂的结晶过程引起，主要的影响因素可能有：岩浆的化学成分和岩浆结晶的物理化学条件的周期性变化。

Rhythmical zoning in columbite crystals is attributable to the complex crystallization history of the Beauvoir granite . The major factors controlling rhythmical zoning are considered to be the periodic variations in chemical composition of the granitic magma and of the physico-chemical conditions for magmatic crystallization .

青田石山炮绿主要以显微鳞片变晶结构出现，样品主要呈块状、斑状和条带状构造。

The samples are mainly massive , porphyritic and banded structures .

苏州花岗岩中带状构造的成因

The Genesis of the Banded Structure in Granite , Suzhou

【矿】带状构造，环带构造区域成矿与矿田构造研究&构建成矿构造体系

Study on regional mineralizations and ore-field structures : building of mineralizing tectonic systems

麻粒岩捕掳体均具变质重结晶结构以及块状或条带状构造。

The xenoliths are all in recrystallized structure and homogeneous or layered texture .

矿石为花岗伟晶结构，似文象结构和块状、条带状构造。

Ores are of pegmatite granites texture , graphic and massive , banded structure .

【矿】带状构造，环带构造鞍山地区太古宙铁矿中条带状构造的成因与演化

The origin and evolution of the banded structure in Archaean iron orebody , Anshan area

条带状构造是该地区石英脉型金矿的主要找矿标志之一，也是多期次成矿的表现形式。

Banded structures are clue to find quartz vein type gold deposit in this area , and representation of the multi-stage mineralization .

矿石以显微鳞片微粒变晶结构、碎裂结构，块状构造、浸染状构造为主。氧化矿石多具有条带状构造、细脉状构造、网脉状构造。

There are mainly microcrystalline , cataclastic , disseminated and massive structure , the oxidized ores mainly have banded , veinlet , veined-network structure .

路堤作为带状构造物，其变形主要为竖向变形，在分析中将其视为平面应变问题。

As strip structure , vertical deformation is the primary part of subgrade 's deformation , therefore it is considered as plane strain problems during analysis .

龙陵地区产的红色&黄色的这类玉石属于隐晶质石英质玉石，根据云南龙陵的地方标准确定其为玉髓，但是黄龙玉也有类似玛瑙条带状构造的结构特征。

The red-yellow jade produced in Longling which species are cryptocrystalline quartz quality jade , according to the local standard of Yunnan Longling concluded that it was chalcedony .

喷流交代夕卡岩具交代残余结构和假角砾状构造，而喷流沉积夕卡岩具微粒状结构、雏晶结构和层纹、条纹、条带状构造，反映了二者不同的喷流成因；

Metasomatic skarn having replacement remnant texture , pseudobreccia structure , while depositional skarn , particulate crystallitic texture and ribbon , stratified structure . These reflect they are eruptive genesis ;

构造片麻岩系列形成于地壳深部构造层次上，以颗粒流动和扩散蠕变变形机制为主，宏观上表现为条纹和条带状构造，微观上为三边平衡结构。

The tectonic gneiss , developed at deep crustal-tectonic levels by grain flow and diffusion creep mechanism , have stripe and band fabrics in macroscopic , and three edges equilibrium texture in microscopic scales .

岩体主要由超基性岩组成，包括橄榄岩、辉石岩、辉长岩以及它们之间的过渡类型，矿石的结构构造以块状构造、浸染状构造、条带状构造、陨铁结构为主。

The intrusions are primarily consists of ultramafic rocks , including peridotite , pyroxenite , gabbro , and the transitional type among them , the ore has massive , disseminated and banded structure as well as sideronitic texture . 3 .

但在远离张性断层面的两侧，一般形成两个对称的平行条带状构造应力高压区，使得煤层甲烷含量相对升高，成为阻止煤层甲烷进一步向断层运移的天然屏障。

Symmetric high stress zones in parallel stripped shape would usually form in two sides far off the fault , thus causing the increase of coal bed methane content , and forming a natural curtain to block methane migration to the fault .

由于公路是带状构造物，往往要穿越不同的地形地质单元，有时还要通过一些不良的地质环境，经常会发生崩塌、滑坡、泥石流和路基沉陷等地质灾害。

Because highway is a strip structure , it often needs passing through different terrain units , and some cacoethes geological environment sometimes . Collapse , landslide , debris flow and subgrade settlement of geological hazards and so on occur frequently , especially in the west mountainous area in China .

公路是一带状工程构造物，会经过不同自然条件的地域，涉及到多变的地质条件。

Highway is a ribbon constructions , through different natural conditions , and involves changing geological conditions .