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- gabbro sienite 辉长正长岩
- Even foliated metamorphic rocks and banded gabbro can be curved to form folds. 即使变质岩中的片理以及辉长岩中的条带也可产生弯曲而形成褶皱。
- The massive sulfide contains fragments of barren and mineralized gabbro, and schist. 块状硫化物中含有矿化的和未矿化的辉长岩及片岩碎块。
- The breccia includes serpentite, gabbro, basaltic trachyandesite, trachyte, and silicalite. 火山角砾岩的角砾由蛇纹石化橄榄岩(蛇纹岩)、辉长岩、玄武质粗面安山岩、粗面岩和硅质岩组成。
- The main rocks in the complex are gabbro, gabbro-diabase, pyroxenite and olivine-pyroxenite etc. 杂岩体主要岩石类型为:辉长岩、辉长辉绿岩、辉石岩、橄榄辉石岩等。
- There are 6 layered rhythemic unit in the lower facies,each unit is formed by olivine gabbro or gabbro. 在下部岩相中有六个层状韵律单元;每一单元由橄榄辉长岩或橄榄苏长辉长岩、苏长辉长岩或辉长岩组成.
- Aim To date precisely the gabbro vein from Luohansi group,and discuss its geological significance. 目的准确测定北秦岭罗汉寺岩群辉长岩脉的形成时代,探讨其地质意义。
- The protoliths of blueschists and eclogites can be divided into N-MORB, E-MORB, OIB, gabbro, basic volcaniclastic rock, greywacke etc. 蓝片岩和榴辉石的原岩有N-MORB、E-MORB、OIB、辉长岩、基性火山碎屑岩、硬砂岩等类型。
- On the basis of the single factor dry rodded test of coarse aggregate, the optimal framework structure of gabbro Sup-16 gradation is given out. 根据粗集料的单因素捣实试验,确定了辉长岩Sup-16级配骨架最优结构。
- It consists of basement, seabeach-sandstone, gabbro (diabase) dike swarm wall group, ophilite, silicalite, limestone (kop) ,flysch, and molasses. 蛇绿岩环境分析表明,部分为洋中脊环境,大部分为洋岛环境。
- The Houdidong Au deposit occurred in the Permian, Kedao Formation contact zone between metamorphic rock series and Variscan gabbro body. 后底洞金矿床产于二叠纪柯岛组变质岩系与华力西期辉长岩体内外接触带。
- Iron ore bodies all occur within the skarn located near the contact zone between the gabbro and the Sinian epi_metamorphic rocks. 铁矿体的产出严格受辉长岩与震旦系浅变质岩接触带附近的矽卡岩控制。
- The diabase in the melange zone also exhibits high alkaline, showing almost the same distribution pattern of transition metal elements and incompatible elements as the gabbro. 辉绿岩墙群属强碱铝质基性岩类,过渡族元素蛛网图与辉长岩类几乎完全相同,其不相容元素与辉长岩类总体趋势相一致,反映了一种递进岩浆演化趋势。
- The Kalarsky massif is a constituent part of the extensive Djugdjur Kalarsky gabbro anorthosite belt, confined to the southern periphery of the Aldan massif. Kalarsky岩体是沿阿尔丹南部边缘分布的规模巨大的Djugdjur?Kalarsky辉长-斜长岩岩带的一部分。
- The instrusive body is consisted mainly of dioritic rocks showing the geochemical characters of calc- alkalic andesite and accompany with minor of alkali gabbro. 岩体主要由钙碱性闪长质岩组成,具有钙碱性安山岩的地球化学特点,伴有少量碱性辉长岩。
- Petrological and mineralogical characteristics of gabbro xenoliths from Mexozoic basalts in Ningyuan-Daoxian region, Hunan, show that they belong to different rock series. 宁远-道县中生代玄武岩中辉长岩包体的岩石学、矿物学等特征表明辉长岩与寄主玄武岩分属不同系列岩石。
- ZHOU Yong-sheng,HE Chang-rong,SANG Zu-nan,et al.Melt characters of partial melted gabbro under plastic deformation condition[J].Chinese Journal of Geophysics,2003,46(4):482-487. [8]周永胜;何昌荣;桑祖南;等.;在塑性变形过程中辉长岩部分熔融的熔体特征[J]
- Guided by theory and method of unit-superunit mapping in the granite area, study the lithology, lithochemistry, trace elements, and rare earth elements, er. of the Wuzengsu gabbro body, and subdivide the body into four units. 摘要借鉴花岗岩区单元-超单元填图理论方法,通过对乌增苏辉长岩体岩石学、岩石化学、微量元素、稀土元素等特征的研究,将岩体划分为四个单元。
- The different rock associations of pyroxenite+ gabbro and troctolite+ gabbro in the accumulating complex are related to depth of formation of magmatic chambers and oxidation state of magma in the spreading ridge. 堆积杂岩中出现辉石岩+辉长岩和橄长岩+辉长岩的不同岩石组合则与堆积岩岩浆房出露的深度和氧化状态有关。
- There exist such types of rocks as syenite, quartz syenite, aegirine-augite syenite, nepheline syenites, monzonite, quartz monzonites, alkaline gabbro, alkaline-feldspar granites and alkaline granite. 本文总结了它们的空间分布、形成时代、产状、岩石组合和岩石化学特徵;