角闪石

Fresh perlitic rocks are found in the Jiutai area of the southeastern uplift of Songliao basin. In the perlitic rocks, phenocrysts are well preserved and they are mainly composed of plagioclase, biotite, amphibole, and mafic clinopyroxene and orthopyroxene.

在松辽盆地边缘东南隆起九台地区出露有比较新鲜的珍珠岩，内部斑晶保存完好，裂隙发育；斑晶矿物主要有斜长石、黑云母、角闪石，还有镁铁质的单斜辉石和斜方辉石。

The major petrogenetic minerals in the Tahe gabbro include plagioclase, olive, clinopyroxene and hornblende, coronitic-texture and poikilitic texture are obviously visible.

其主要造岩矿物由斜长石、橄榄石、单斜辉石及少量角闪石组成，具反应边结构和包含嵌晶结构。

Partially replaced by very fine symplectites of Amp + Pl ; e —Sample ZM651 , garnet porphyroblast with large amounts of inclusions

射电子图像； d —样品ZM641 ，绿辉石边部具有细粒的角闪石+斜长石后成合晶； e —样品ZM651 ，石榴石变斑晶核部

Amphibole, an important product during retrogression of UHP eclogite to amphibolite, exhibits few brittle deformation features, and does not show any intragranular microstructures indicative of crystal deformation such as undulose extinction, deformation lamellae, subgrain boundary and bulging.

角闪石是超高压榴辉岩退变质过程的产物，在光学显微镜下没有明显的脆性破裂变形，也不显示任何指示晶体塑性变形的晶粒内部显微构造，例如不均匀消光、变形叶理、亚颗粒边界和凸出褶皱等。

By the calculation of mineral equilibrium, it is suggested that most of the hornblendes and biotites of Shigujian intrusive rocks are the product of magmatic equilibrium crystallization, and a few ones are secondary or deep xenocryst .

矿物平衡计算或判别表明，石鼓尖侵入岩中角闪石、黑云母为岩浆平衡结晶的产物，少数为次生或深源捕虏晶。

Two types of cumulate gabbros are exposed in Wulatezhongqi area, including amphibole gabbros and olive gabbros. The major petrogenetic minerals in the Wengeng gabbros are olive, pyroxene, plagioclase and hornblend.

乌拉特中旗温更地区由角闪辉长岩和橄榄辉长岩组成的混杂堆晶岩系，主要造岩矿物为橄榄石、辉石、斜长石及角闪石等。

This paper deals with the mineral chemistry of amphiboles and feldspars in the complex to demonstrate the temperature and pressure conditions of crystallization.

本文通过对刘家洼杂岩体角闪石、长石矿物化学的研究，揭示岩体形成时的温度为 73 0～ 81 0℃，而结晶压力变化于 6.6× 1 0 8～ 2 。2× 1 0 8Pa之间，表明在该岩体形成过程中，经历了明显的剥露作用。

Amphiboles are related to the pyroxenes, forming double chains, again being held together by cations.

角闪石类与辉石类有关，构成双链，也是被阳离子联系在一起的。

Mineral examples include the pyroxenes and the amphiboles

矿物实例有辉石和角闪石。

The 40Ar/39Ar isotopic dating of amphiboles collected from different depths of core samples in No. 3 intrusion gave a (228.2±3.0) Ma plateau age and a (230.1±7.1) Ma isochron age.

本次工作对采自不同深度岩心样品中的单矿物角闪石进行40Ar/39Ar同位素年代学研究，得到(228.2±3.0)Ma的坪年龄和(230.1±7.1)Ma的等时线年龄。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐