metamorphic facies

Research on the features of metamorphic facies zone and garnet in Liaohe Group

辽河群变质相带特征及石榴石的研究

Activity Show Thermodynamic activity traces acted as the regional metamorphic facies and its belts .

热力活动遗迹是由区域变质相带表现出来的。

Mechanism of evolution of hydrothermal fluid in medium-high metamorphic facies

中&高级变质相中水热流体的形成与作用

The division of Triassic metamorphic facies on western border region ( middle-south part ) of Ordos Basin

鄂尔多斯盆地西缘中南部三叠系变质相划分

The Caledonian metamorphism and metamorphic facies series division of Middle Proterozoic group strata in North West of Fujian Province

闽西北中元古界地层加里东变质作用和变质相系划分【地质】复层，叠层

The research of metamorphic facies geology has experienced two stages in its development over 160 years , viz . the static and dynamic approaches .

在变质地质学160余年的研究历史中经历了从静态到动态两个思维发展过程。

The deformation was changing from plastic intensity to weakness and the metamorphic facies ranged from amphibolite to low-grade greenschist .

变形由强烈的塑性变形到弱变形，变质由角闪岩相到低绿片岩相及低于低绿片岩相。

The metamorphic facies gradually change from low amphibolite & high green-schist facies of the basement to low green-schist of the cover .

变质相由基底岩系的低角闪岩相&高绿片岩相逐渐过渡为上覆盖层的低绿片岩相。

This paper started from regional geology and characteristics of Jining rock group , and explained the deposit characteristics by analyzing deposit ' morphology , sedimentary facies and metamorphic facies .

本文从区域地质和济宁岩群特征入手，分析研究矿床形态特征、含铁建造的沉积相和变质作用等，进而总结济宁铁矿的矿床地质特征。

Rock combination generally have lherzolite-olive two pyroxenite-two metamorphic facies ; Mafic rocks combination generally have bright green gabbro , gabbro , norite-gabbro diorite .

岩石组合一般有二辉橄榄岩-橄榄二辉岩-二辉岩等岩相；镁铁质岩石组合一般有辉绿辉长岩相、辉长岩相、苏长岩-辉长岩-闪长岩相。

In the glaucophane-bearing rocks there distributed some sections , in which the metamorphic facies of the rocks are mainly of prehnite-pumpellyite facies , glaucophane-greenschist facies , and epidote ( almandine ) - amphibolite facies etc , but the high temperature-low pressure mineral associations are not discovered .

在含蓝闪石岩分布区，岩石的变质相有葡萄石-绿纤石相、蓝闪石绿片岩相、绿帘石-角闪岩相、铁铝榴石角闪岩相等，未发现高压低温矿物组合。

Illite crystallinity of the buried hill is 122 ~ 150 , bo-value is 9.030 ~ 9.066 , showing low metamorphic greenschist facies .

潜山地层中的伊利石结晶度为122～150，b0值为9030～9066，变质程度为浅变质绿片岩相，而邻近区域只有中元古界具有这样的特征；

Low - grade metamorphic rocks of greenschist facies .

低级区域变质带，多数是中压绿片岩相。

The metamorphic characteristics of granulite facies rocks in the laixi-pingdu area in eastern Shandong Province

胶东莱西&平度一带麻粒岩相岩石的变质作用特征

Plastic Microcrack of Garnet in Metamorphic Rock of Eclogite Facies

榴辉岩相变质岩中石榴石的塑性微裂隙

Thus , this ductile shear zone might occur at a metamorphic grade of green-schist facies and at middle-shallow tectonic level .

韧性剪切变形相当于绿片岩相，中浅构造层次。

In the ocean basin spreading stage of Middle Silurian , it formed a increase metamorphic charateristics with lotrite facies → low green schist facies → hornblende facies .

中志留世末洋盆扩张阶段，形成葡萄石、绿纤石相→低绿片岩相→角闪岩相的递增变质特征；

The a ( pproximate ) isothermal and reduced pressure from second to third stage is the beginning of regional thinning crust . The fourth degrading metamorphic stage of amphibolite facies shows the characteristics of thinning crust , uplift and denudation .

从第二阶段峰期变质到第三阶段近等温减压过程为区域性地壳减薄的开始，直至第四期角闪岩相的退变质阶段显示出地壳大幅度减薄和抬升剥蚀的特点。

The Longshoushan Group of Paleoproterozoic age in the Dongdashan district is a metamorphic terrane composed of metamorphic rocks of amphibolite facies .

东大山地区龙首山岩群形成于早元古代，是一套经角闪岩相变质改造的变质地质体。

The paper explains the mechanism of buffering of metamorphic reaction temperature by metamorphic fluids , evaluates the buffering degree of temperature from thermodynamical theory , and discusses the significance of metamorphic fluids in the studies of metamorphic facies and zones .

本文从热力学理论上解释了变质流体对变质反应温度缓冲作用的机制，并对缓冲强度进行了估算，据此阐述了变质流体在变质相带研究中的重要意义。