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The lithologies of the Al rich rocks under ultra high pressure metamorphism in central China are characterized by kyanite topaz quartzite which has special mineral associations of kyanite, rich topaz,Mg rich chloritoid,coesite and diaspore.

我国中部在超高压条件下形成的高铝质变质岩石，以蓝晶黄玉石英岩为特征，具有以蓝晶石、富水黄玉、富镁硬绿泥石、柯石英、硬水铝石等为代表的高压－超高压变质矿物，矿物组合主要为蓝晶石＋黄玉＋石英、蓝晶石＋蓝刚玉±富镁硬绿泥石等。

From all possible members of the spinel groups, hercynite and galaxite, were found to be the most efficient.

在所有可能的尖晶石矿族成员中，铁铝尖晶石和锰铝尖晶石被发现是最有效的。

There are two kinds of spinels in a granulite terrain of Yushujgou, South Tianshan Mountain. One occurs in the intermediate and basic granulite units and is characterized by enriched Al and poor Cr, belonging to Al_spinel. In thin sections it shows dark green color and subhedral to anhedral form, and coexists with other metamorphic minerals, suggesting a neogenic metamorphic mineral of granulite facies. The other occurs in the adjacent ultramafic rock unit, belonging to Cr_spinel. In thin sections, it is dark brown in color and is scattered among olivine, clinopyroxene and orthopyroxene as irregular grains, indicating a stable residual mineral in the process of granulite facies metamorphism.

新疆榆树沟麻粒岩地体中发育两类尖晶石：一类见于中、基性麻粒岩体中，其化学成分富 Al贫 Cr ，属铝尖晶石，镜下为深绿色，呈半自形至他形粒状，与其它变质矿物共生，表现为麻粒岩相的新生变质矿物；另一类发育在空间上与麻粒岩体紧密相邻的超镁铁质岩体中，为铬尖晶石，镜下为深褐红色，呈不规则粒状分布于橄榄石、斜方辉石和单斜辉石之间，为麻粒岩相变质过程中稳定的残余矿物。

The deep origin of Kangjinla podiform chromitite is suggested by: that for the Kangjinla chromitite and the mantle peridotite rocks, the compositions of the chrome spinel, olivine and clinopyroxene are rather different, which indicates that the chrome spinel in the chromitite is neither the simple concentration of that in the host rocks nor with certain genic relation with mantle peridotite. Though the chromitite might be exotic for host rocks, both of them were carried from deep mantle to the shallow place by mantle plum.

康金拉铬铁矿石与矿体围岩地幔橄榄岩的铬尖晶石、橄榄石和单斜辉石等成分方面明显不同，认为矿石铬尖晶石并非是由副矿物铬尖晶石富集而成，与地幔橄榄岩也不存在成因联系，认为豆荚状铬铁矿床对于近矿围岩地幔橄榄岩而言为外来体，但两者可能均是由地幔深部被地幔柱带到上部。

The complete borosilicate assemblage grandidierite-prismatine-tourmaline is determined and their formation setting are investigated. A review on the nomination confusion of kornerupine minerals has been made and a new name, boro-prismatine, is recommended for the case occurrence of the mineral at Antarctica according to the composition and structure data.

确定了完整的硅硼镁铝矿-硼柱晶石-电气石硼硅酸盐矿物组合（Gdd-Prs-Trn），探讨了其产出环境；对柱晶石类矿物在国内、外命名的混乱现象进行了介绍，结合矿物成分和结构特征，南极产出的该类矿物建议称硼柱晶石。

Spinel lherzolites vary from 850°to 1050℃. The number of spinel lherzolite sample increases at 850℃ and decreases at 1050℃ sharply. The rarity of spinel lherzolite between 900° 950℃ has a particular significance. Spinel-garnet lherzolites have higher temperatures (1050° 1100℃) than the spinel lherzolites.

尖晶石二辉橄榄岩的平衡温度主要介于850°-1050℃之间，850℃和1050℃分别代表了尖晶石二辉橄榄岩的数量剧增和锐减的两个温度界线，900°-950℃之间的尖晶石二辉橄榄岩的缺乏具有特殊的意义；尖晶石-石榴子石二辉橄榄岩的平衡温度介于1050°-1100℃之间。

Magnesia alumina spinel brick is based on high-purity magnesia and synthetic magnesia alumina spinel with major crystal phase of periclase and spinel. By intensively mixed, double-face pressed and fired at high temperature. Being completely chrome free, it is the ideal refractory for the transitional zone of cement kiln characterized by superior thermal shock resistance, good anti-erosion capacity, and lower thermal conductivity.

此次展会为您展出的水泥回转窑用镁铝尖晶石砖以高纯镁砂和合成镁铝尖晶石砂为主要原料，主晶相为方镁石和尖晶石，经过强力混练，双面加压，高温烧成等工艺制成，是水泥窑过渡带的标准耐火材料，具有无铬污染，热震稳定性好，耐磨损，抗侵蚀性强，热导率低等特点。

The deep-seated xenoliths entrained by the Cenozoic Hannuoba basalts can be divided into three groups according to their mineral assemblages:Ⅰ Granulites, including felsic granulites, noritic granulites, and dominantly, two-pyroxene granulites,Ⅱ Pyroxenites, including websterites, spinel pyroxenites, and garnet pyroxenites;Ⅲ Peridotites, including spinel lherzolites and spinelgarnet lherzolites.

根据新生代汉诺坝玄武岩中深源岩石捕掳体的矿物组合类型，将其分为主要的三大类：麻粒岩类中包括长英质麻粒岩、苏长质麻粒岩和二辉麻粒岩，辉石岩类包括二辉石岩、尖晶石辉石岩和石榴子石辉石岩，橄榄岩类则包括尖晶石二辉橄榄岩和尖晶石-石榴子石二辉橄榄岩。

There are common spinel group minerals with chemical substitution between the end members ; MgAl2O4, FeAl2O4, ZnAl2O4, MnAl2O4 and FeCr2O4.

这些尖晶石族矿物中，镁尖晶石可以形成宝石级的透明的晶体。如果含有锌，会变成深色，不过还叫做镁尖晶石。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。