1.Jadeite is made up of pyroxene, amphibole and feldspar group minerals, in which the existence,quantity and change of chemical composition of pyroxene group minerals, such as jadeite, aegirine,vryite and hedenbergite, largely influence the quality of jadeite.
翡翠主要由辉石族矿物、闪石族矿物、长石族矿物等组成。 其中辉石族的矿物如硬玉、霓石、钠铬辉石、钙铁辉石,它们的存在和数量的多少及化学成分的变化对翡翠的质量影响很大。
2.dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium.
深绿色到黑色的玻璃状辉石族矿物,含大量铝、铁、镁。
3.Magnesium olivine and pyroxene are silicate minerals formed at high temperatures, and they were found in substantial numbers among the Wild 2 samples.
镁橄榄石和辉石是在高温环境中形成的硅酸盐物质,在“怀尔特2”样品中发现不少。
4.Having a texture composed of lath-shaped plagioclase crystals in a matrix of pyroxene crystals.
有斜长石结晶结构的在嵌有化石水晶基质的晶体中,由条形纹条石组成的结构的
5.Pyroxene is exclusively augite with high Na_2O, FeO and MnO contents, and plagioclase is low CaO andesine, which share characteristics with their counterparts from gabbros formed in an intra-plate setting and are largely different from those from gabbros associated with island arc or active continental margin.
岩体主要矿物辉石属普通辉石,Na2O、FeO和MnO较高,长石属中长石,低CaO,这些特征明显区别于岛弧或活动大陆边缘环境中的同类矿物,而与板内伸展环境中形成的辉长岩的矿物特征相似.
6.Characteristics and Temperature-Pressure Conditions for Crystallization of Pyroxene in Archean Granulite Facies of Inner Mongolia
内蒙古太古宙麻粒岩相岩石中辉石特征和结晶温压条件
7.A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
玄武岩一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成,外表经常很光滑
8.In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced ,and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly.
本课程主要讲述矿物及其共生组合的形成和变化的条件和过程,不同物理化学条件下矿物的成分、结构、形态、物性等标型特征以及它们之间的内在联系,矿物及其共生组合在时间上和空间上的分布和演化规律,矿物成分、结构、形貌、物性等的分析测试方法,矿物地质温度计和地质压力计对其形成环境的表征,不同体系(封闭体系、开放体系)条件下,矿物的稳定范围和彼此替代顺序的共生分析,重点介绍黄铁矿、石英、石榴石、辉石、角闪石、云母、长石等矿物(族)在成因上的宏观标志和微观信息,以及其成因信息在成岩作用和成矿作用中的地质意义。
9.a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium.
一种辉石矿物,由锂铝硅酸盐组成,是锂的来源。
10.PETROGENESIS OF THE ARCHEAN PYROXENE GRANITES IN THE SOUTHERN JILIN PROVINCE
吉林南部太古宙辉石花岗岩的成因