Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.
黑云母一般是镁铁质及超镁铁质岩石中的次要成分。
The studying degree of the predecessor is low to the Permian mafic-ultramafic rock.
前人对该地区二叠纪镁铁质—超镁铁质岩石的研究程度较低。
The mafic due to sodium zoisitization, its alteration products often with green color;
基性斜长石由于遭受钠黝帘石化，其蚀变产物常带绿色色调；
In general, acid plagioclase twin dense and flat, while the mafic twin is thin and not straight.
一般情况下，酸性斜长石双晶纹密集且平直，而基性斜长石的双晶纹较稀且不够平直。
Alkali mafic subvolcanic body occurring in Bijiashan-Tongdongwan consists of clastic rock and lava.
笔-铜碱性镁铁质火山岩体由碎屑岩和熔岩组成。
As to the activity of the components, the mafic component is more active than the felsic component.
在组分活性方面，镁铁质组分比长英质组分的活动更为明显。
The source of the studied mafic dikes may be the enrichment mantle that was modified by subduction metasomatic fluids.
其源区可能为与俯冲流体有关的富集地幔，有待于进一步研究。
And this case is representative among the well-developed mafic magmatic rocks in the Tarim Basin and its peripheral areas.
而且，这种情况在塔里木盆地及周缘地区十分发育的镁铁质岩浆岩中具有广泛的代表性。
Lots of mafic - ultramafic enclaves are developed in Neoarchaean TTG gneisses in south of Jiaobei uplift with the trend of NEE.
在胶北隆起南缘新太古代TTG质片麻岩中发育了大量的超铁镁质-铁镁质岩包体，呈NEE向群带状展布。
Recently, several important progresses have been made in the geodynamics concerning the evolution of mafic and ultramafic rocks.
近年来，应用地球动力学研究镁铁质-超镁铁质岩石演化取得了一些重要进展。
The early stage of crust rupture was characterized by alkaline mafic igneous activities in the Dahongshan Group and Hekou Group.
其早期破裂阶段以碱性的基性岩浆活动为特征，以大红山群、河口群中的火山岩为代表。
The Kongling Complex consists of basement rocks, supracrustal rocks and some mafic rocks occurring as lenses, boudins or layers.
崆岭杂岩由基底岩石加表壳岩石组成，另外有一些基性岩侵入其中。
The boundaries are commonly defined by sedimentary and mafic volcanic infill that has been trapped between the crustal fragments.
界线通常是困在地壳碎块之间的沉积岩和基性火山岩填充物。
This paper summarizes recent research results and introduces ore deposit types and mineralization related to mafic-ultramafic rocks.
本文综述了近年来的研究成果，介绍了与镁铁质-超镁铁质岩有关的矿床类型和成矿作用。
Assimilation of the crustal materials by the mafic magma from the crust is a necessary condition of obtaining s and forming sulfide ores.
镁铁质岩浆同化地壳是获取硫得以产出硫化物矿石的必要条件。
Mafic granulites and amphibolites that underwent granulite facies metamorphism are outcropping in the Grove Mountains (GMs), East Antarctica.
东南极格罗夫山存在一套经历了峰期麻粒岩相变质作用的镁铁质麻粒岩和斜长角闪岩。
The traditional platinoid mineral resources are referred to as the platinoid mineral resources associated with the mineralization of mafic magmas.
传统型铂族矿产，系指与镁铁质岩浆成矿作用有关的铂族矿产资源。
Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave.
温泉花岗岩体由酸性端元的寄主岩石和暗色微细粒镁铁质包体群及基性岩墙群组成。
This is a microcosm of lots of acid and mafic-ultramafic magmatism in the Central Asian Orogenic Belt and the implication of its extensional setting.
这是整个中亚造山带及邻区大量的酸性和基性-超基性岩浆活动及暗示的伸展环境的一个缩影。
The mafic granulite xenolith was first reported to have occurred in Early Mesozoic diorite in Harkin region, Eastern Inner Mongolia Autonomous region, China.
在内蒙古东部喀喇沁地区早中生代大营子闪长岩中首次发现基性麻粒岩捕虏体。
Based on these researches we get some understanding as follows:1. Xuanwoling intrusion is a mafic-ultramafic layered intrusion with cumulate bedding development.
通过研究取得了以下几点认识：1、漩涡岭岩体是一堆晶层理发育的镁铁质-超镁铁质层状岩体。
The earlier units contain abundant mafic micro-enclaves, and the petrographic study of the enclaves indicates the crust-mantle mixing origin of the granitic magma.
较早次单元中富含镁铁质微粒包体，经包体岩相学研究，花岗岩浆具壳幔混合成因。
Therefore, the magmas were the product of low partial melting of mafic eclogite at the base of the thickened crust, and their magma sources were affected by fluids.
因此，岩浆起源于加厚地壳底部榴辉岩相镁铁质岩石的低度部分熔融，且岩浆源区受到了流体的影响。
The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.
长石石英云母片岩、石英岩和大理岩的原岩为沉积岩，与副变质的长英质片麻岩和基性火山岩—起构成了古老的表壳岩组合。
Niobium-enriched arc basalts are mildly- to highly-alkalic mafic lavas that contain relatively higher amount of high field-strength elements (HFSE) than normal arc lavas.
富铌的岛弧玄武岩则是中等到高碱的镁铁质熔岩，它们相对于正常的岛弧玄武岩含有较多的高场强元素（HFSE）。
The weighed average composition of xenoliths shows a more mafic composition of the lower crust than that estimated from granulite data, which may imply the difference in the genesis.
捕虏体的加权平均值比基于麻粒岩地体资料估算的下地壳平均组成偏基性，揭示了二者可能的成因差异。
The host rocks of the Mishuling intrusion consists of a grayish white porphyritic monzogranite-granodiorite-quartz diorite, in which mafic microgranular inclusions are well developed.
糜署岭岩体的岩石组合为灰白色似斑状二长花岗岩-花岗闪长岩-石英闪长岩，其中镁铁质微粒包体十分发育。
Mafic igneous rock, a widely distributed and typical mantle-derived rock, has become a major research source for revealing possible mechanisms for the chemical evolution of the mantle.
镁铁质火成岩作为分布最为广泛的典型幔源岩石，已成为探索地幔化学性状及示踪岩石圈深部过程的主要研究对象。
Other types such as those associated with mafic-ultramafic rocks and in the contact between granites and dolomitic marbles or enclaves and roof pendants in granites are less significant.
其他类型的滑石，如与镁铁质-超镁铁质岩共生的、在花岗岩与白云质大理岩接触带的、在花岗岩体中呈包体或顶垂体状的、则相对不重要。
The main effect of water on brittle plastic transition of mafic rocks is embodied by both the change of strength and temperature of brittle ductile transition and brittle plastic transition.
水对基性岩脆塑性转化的影响体现在岩石的强度和脆延性与脆塑性的转化温度两方面。
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