角闪岩相

在皖东嘉山南黄地区新元古代张八岭岩群之下，隐伏一套角闪岩相的TTG质片麻岩类。

There is a suboutcrop of amphibolite facies TTG gneiss overlain by Neoproterozoic Zhangbaling Group at Nanhuang region in Jiashan , East Anhui .

红宝石大理岩产于古老的动热变质带的变质杂岩中，变质强度为低角闪岩相。

This ruby marble is occurred in an old metamorphic complex of dynamothermal metamorphism zone in-low amphibolite facies .

同时，根据特征变质矿物的出现及镁在石榴石-黑云母矿物对的分配与温度的关系计算，变质温度为550700℃，压力为400800MPa，相当于中压角闪岩相。

According to the appearence of characteristic metamorphic mineral and the relation of distribution of Mg in garnet-biotite to temperature , the metamorphic temperature is about 550 & 700 ℃ , the pressure is about 400-800 MPa .

十字石的出现表明变质作用已达到低角闪岩相。

The appearance of staurolite indicates that the metamorphism has reached the low amphibolite grade .

它在遭受角闪岩相变质作用之前，曾经历过低变质蛇纹石化阶段（形成蛇纹岩）。

Before it underwent metamorphism of amphibolite facies , it had experienced low-grade serpentinization and formed into serpentinite .

而晚期变形则发生在角闪岩相条件下，表现为脆性变形的特点。

But , in late stage , the garnets displayed brittle deformation under the condition of amphibolite facies .

三个变质作用阶段的特征是：前榴辉相阶段为中压相系绿帘角闪岩相；

The characteristics of three metamorphic stages are as follows : before the eclogite-facies stage which is middle-pressure epidote amphibolite facies ;

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。

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

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

早期的韧性变形发生在角闪岩相变质作用条件下，晚期的脆韧性变形发生在绿片岩相变质作用条件下。

The earlier ductile deformation took place under the condition of amphibolite facies and the later transitional ductile-brittle deformation under the condition of greenschist facies .

豫西秦岭群是东秦岭褶皱带的核心岩系，具角闪岩相变质并有不同程度的混合岩化。

Being a member of the core complex in the Qinling folded belt the Qinling Group , is highly metamorphosed into amphibolite facies with migmatization .

因主要经受中晚元古期中压区域动力热流变质作用，形成自南向北递增变质带，即低绿片岩相高绿片岩相低角闪岩相。

During the middle-later Proterozoic , regional dynamothermal metamorphism formed a northward progressive metamorphic zone , such as lower greenschist facies higher greenschist facies lower amphibolite facies .

角闪岩相变质后续有重熔型混合岩化。五台&吕梁期变质尾声又叠加区域动力变质作用。

It was found that the amphibolite facies metamorphism occurred before the remelting type migmatization and that the regional dynamometamorphism arose in the end of the Wutai Luliang Stage metamorphism .

早元古代星子群遭受吕梁期以低角闪岩相为主的区域动力热流变质作用，变质温度约为530－600℃，压力约为400－570MPa。

The early Proterozoic Xingzi Group was subjected to regional dynamothermal metamorphism of Luliang period , dominated by low amphibolite factes with temperature 530-600 ℃ and pressure 400 - 570 MPa .

上地壳主要为绿片岩相（部分低角闪岩相）的板岩、千枚岩、片岩、变粒岩以及花岗岩组成，顶部为沉积盖层。

The upper crust is mainly composed of slates , phyllites , schists , granulite of greenschist facies ( partly low-amphibolite facies ) and granite intrusions , and sedimentary rocks at the top .

矿区出露地层主要为上太古界五台群一套经历了多期变质变形作用的中级区域变质岩系，变质程度为角闪岩相。

The stratas exposed are mainly comprised of a suit of middle-grade regional metamorphic rocks of Wutai group , upper Archaean . The rocks had undergone multi-stages of metamorphism and deformation of amphibolite facies .

研究发现，尽管它们有着不同的峰变质条件，但都经历了相同的绿帘角闪岩相前进变质，具有相近的峰变质年龄和相似的退变质轨迹。

The study shows that they have all experienced the same epidote amphibolite facies metamorphism although their peak metamorphic conditions are different . Their peak metamorphic ages are very close and they have similar retrogressive metamorphism paths .

和桂北、湖南益阳中元古代的科马提岩也可对比，但变质程度较高，达低角闪岩相。

The green schists can also be compared with the middle proterozoic komatiite in Northern Guilin and the Yiyang area of Hunan Province , but they are higher grade in metamorphic rank , approximate to low-grade hornfels facies .

深源捕虏体的岩相学研究表明，它们经历了早期的榴辉岩相变质和晚期的角闪岩相退化变质，然后被寄主岩浆所捕获。

The petrographical data of the deep seated xenoliths indicate that they could be subjected to earlier eclogite facies high pressure ( HP ) and ultra high pressure metamorphism ( UHPM ) and late amphibolite facies retrogressive metamorphism , then caught by the host magma .

认为该区芝罘群曾经历1期韧性变形作用和4期变质作用（古元古代高角闪岩相、中元古代早期低角闪岩相、中元古代晚期高绿片岩相及新元古代低绿片岩相变质作用）。

It is regarded that Zhifu group has once experienced one ductile deformation period and four metamorphism period ( Palaeo-proterozoic high-breccia facies metamorphism , low-breccia facies metamorphism in early period of Meso-proterozoic , high-greenschist facies metamorphism in late period of Meso-proterozoic and Neo-proterozoic low-greenschist facies metamorphism ) .

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。

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 .

含角闪石的变种填补了带状和脉状角闪岩的中间相。

Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes .

潮间带的属于、关于或是高潮线与低潮线之间区域的含角闪石的变种填补了带状和脉状角闪岩的中间相。

Of , relating to , or being the region between the high tide mark and the low tide mark . Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes .