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- gabbro syenite 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。
- 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;
- 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。
- Generally, the intrusions is small and lithologic composions mainly include diorite, adamellite or syenite. 侵入岩体规模一般较小,岩性主要为闪长岩类、石英(二长)斑岩类或正长岩类的中酸性岩石。
- There are many deep xenoliths in silicified aegirine syenite porphyry of Xiaoqiaotou area, western Yunnan Province. 摘要滇西玉龙县小桥头硅化霓辉正长斑岩中,含有较多镁铁-超镁铁质深源包体岩石。
- 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。
- Recently,3 special xenoliths have been discovered in the aegirine syenite porphyry at Liuhe. 在六合霓辉正长斑岩中广泛发育的各类包体岩石中,新近发现了三类特殊包体。
- 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。
- They are mostly granite, granodiorite, quartz syenite and monzodiorite.Different types of granitic rocks are exposed in different tectonic units. 岩石类型主要为花岗岩、花岗闪长岩、石英正长岩及二长闪长岩。
- The Beiya gold deposit with a large-sized prospective reserves is a polygenetic deposit related to alkaline syenite porphyry. 北衙金矿床是与碱性正长斑岩有关的具大型资源远景的一个多成因矿床。
- In this paper, the authors reviewed the development and research status of nepheline syenite in Gejiu in the last 44 years. 综述了44年来个旧白云山霞石正长岩开发利用研究的基本情况。
- 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。
- Metallogenic conditions are analyzed from the magmatism of REE bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
- 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。
- The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence. 从岩体的岩性、时代、产状等方面,论证了八宝山煤矿北部的正长斑岩体为一岩盖,下部找煤前景可观,可在井下实施巷探和定向钻探找煤,以延长矿井寿
- 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。
- Dalucao Xishan etc.Metallogenic conditions are analyzed from the magmatism of REE-bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
