自形

含Au毒砂一般为自形晶、半自形晶，长柱状、板柱状以及菱柱状等。

The Au-bearing arsenopyrite is generally euhedral , subhedral , long-prismatic , plate-prismatic and prismatic , etc.

认为研究区深埋藏白云岩主要由细晶或中晶白云石组成，白云石呈自形或半自形晶。

Deep buried dolostones in study areas mainly consist of fine or medium dolomites , which crystals are euhedral or subhedral .

Q-1型石英胶结物自形程度好，其形成需要较高的孔隙空间，可能与溶解作用对砂岩的溶蚀改造有关。

The Q-1 type quartz cement has well euhedral which may related to the dissolution of sandstone .

其矿物集合体大小一般为2～10mm，集合体多为致密块状，单晶呈他形粒状，40～90μm，偶见平行柱状集合体，半自形至自形柱状晶体，直径15～65μm。

Occasionally the mineral aggregates occur in parallel columnar form and they consist of subhedral to euhedral columnar crystals ranging from 15 to 65 μ m in diameter .

矿物为黑褐色，呈半自形，颗粒达0.2mm，分布于由锂云母钠长石构成的条带中，与之共生的是一套典型的、高演化的花岗伟晶岩矿物组合。

It is dark brown to black , and has a subhedral diamond shaped grain up to 0.2 mm .

矿石为自形-半自形粒状结构、浸染状构造。

The ores show idiomorphic or hypidiomorphic granular structure and disseminated texture .

矿物多为自形晶，中细&中粗粒度。

The minerals appear mostly idiomorphic and have middle-fine to middle-coarse grade .

金红石呈半自形粒状结构，多分布于透闪石矿物之间。

Rutile exists as subhedral granular texture , and is mainly distributed between tremolite .

并且，母血细胞还自形转化为可以生产胰岛素的胰岛β细胞。

Furthermore , these cells had transformed themselves into the insulin-producing islet beta cells .

矿石结构主要有碎裂结构、自形-半自形结构、包含结构。

Major textures of ores are cataclastic texture , euhedral-subhedral granular texture , poikilitic texture .

西安市大气降尘中石膏含量范围0~20%，平均6.3%，多为μm级自形微晶。

The gypsum contents are range from 0 % to 20 % , averaging 6.3 % .

宽边和自形边型增生石英形成的温度一般在100℃～150℃。

Formation temperature of width and fine crystals authigenic quartz is generally at 100 ℃ - 150 ℃ .

交易所自形成起，就在市场中发挥着汇集信息、调剂供求、平准价格、减少交易风险等重要作用。

Exchanges have been playing an important role in the market transactions from the time when they came into effect .

黑云母自东向西由浅棕-棕红色半自形细小的片状转变为绿色-棕绿色眼球状残斑，蚀变增强。

Biotite from east to west changes from a light brown-brown hypidiomorphic into tiny flakes green-brownish green augen porphyroclasts , alteration increased .

这些绿帘石呈自形晶，普遍发育熔蚀结构，部分具褐帘石核。

Most of these epidotes are idiomorphic , and they are featured frequently with melting corrosion structure and occasionally with allanite-rich cores .

它们由很细小的自形层状晶体构成，以富铁（总氧化铁25&40%）为特征。

Both are composed of tiny automorphous layered crystallites and rich in Fe ( total iron oxide 25 & 40 % ) .

结果表明以五角十二面体晶形为特征的半自形细粒状黄铁矿含金性较高；

The results show that the fine-grained hypidiomorphic pyrite , with a crystal form of pentagonal dodecahedron , contains more Au than others .

矿石多具自形、半自形、他形粒状结构，以脉状、浸染状构造为主。

The automorphic , hypidiomorphic and xenomorphic granular textures are the main ore textures and vein and disseminated structures are the main ore structure .

应用结晶白云岩的结晶程度、白云石自形程度、燧石含量等的差异性质确定其层位归属；

Of anhedritite to determine gypsiferous formation ; using the difference in crystal degree of crystal dolomite , automorphic extent of dolomite and chert content etc.

粒径达1-2mm的赤铁矿斑晶呈板状自形晶浸染于块状矿石中。

Hematite phenocrysts , up to 1 - 2 mm in size , can be seen to occur as euhedral laths disseminated in massive ores .

扫描电镜观察发现，重晶石均为完整自形晶，并与同为自形的石英及钠长石共生。

Under scanning electron microscope , barite in these samples occurs as euhedral crystal , co-existing with authigenic quartz and albite with the same idiomorph .

虽然晚成岩期自形或半自形石英胶结损失了部分粒间孔隙，但仍能形成孔隙度相对较高的储层。

Although automorphic or partial automorphic quartz cementation losses some intergranular pores in late diagenesis , the reservoir with relatively high porosity still can be formed .

矿石结构主要为压碎结构、半自形-自形粒状结构、填隙结构，矿石构造主要为脉状构造、细网脉状构造、浸染状构造。

The main ore textures are cataclastic texture , hypidiomorphic-euhedral granular texture and interstitial texture . Ore structures are mainly vein structures , fine stockwork structures and disseminated structures .

晶间孔隙主要发育在陡一段下部的粗粉晶含灰云岩中，白云石晶体为自形晶和半自形晶。

The former are mainly developed in the coarsesilt grained , euhedral and semi-euhedral crystalline calcitic dolomites occurring in the lower part of the first member of the Doushantuo Formation .

矿石具有角砾状、微细浸染状、胶状、土状等构造及自形-半自形粒状、增生环带、草莓状、他形粒状、交代残余、假象等结构。

Ore structures are brecciated , micro-disseminated , gelatineous , earthy , and the textures are automorphic-hypautomorphic granular , over-growth zoning , allotriomorphic granular , replacement remnant , pseudomorphic and strawberry .

矿石为动力变质多金属硫化物蚀变岩型，主要有自形&半自形、他形粒状，包含、碎裂等结构，块状、浸染状、角砾状等构造。

The ore type is dynamic metamorphic polymetallic sulphide altered rock type , the texture concluding idiomorphic-hypidiomorphic granular , xenomorphic granular , poikilitic , cataclastic et al and massive , disseminated brecciform structure .

鲕粒环带的形成，与水体波动能量使铁质围绕碎屑矿物，或围绕先已形成的自形晶微粒铁矿物旋转有关。

The water body energy impelled the ferruginous colloids or suspended matter to rotate around quartz fragments or the preexisting microgranular iron minerals as euhedral crystals to form the ooids ( with nuclei or without nuclei ) .

矿石主要结构有变余结构、粒状变晶结构、交代假象结构、环带结构、半自形-它形结构；主要构造有块状构造、浸染状构造和细脉状构造。

Ore than major structural change in the structure of granular texture 、 false account of the structure 、 ring structure 、 and a half from the shape-it is shaped structure ; the main structure with block structure 、 the infection-like structure and fine vein structure .