包体

成矿温度主要集中在160～200℃之间，成矿流体包体以纯液相为主，液相成分及CO2的存在对金的富集有利。

The mineralized temperature ranges between 160 ℃ and 200 ℃ and inclusion in metallogenetic fluid was in pure liquid facies , in which occurrences of liquid components and CO 2 were favorable to enrich gold .

已有热液矿床矿物流体包体数据表明：有一批矿床的主要矿石形成于300~500℃，低于NaClH2O溶液临界线的条件。

The fluid inclusion data demonstrate that the majority of hydrothermal ores are precipitated in the temperature range of 300 to 500 ℃, lower than the critical line of NaCl-H2O .

包体为部分熔融形成寄主花岗岩岩浆的源区岩石残余。

The enclaves are remnants of rocks which partially melted to form granitoid magma .

绿色包体高Mg，低Al2O3和TiO2；

Green pyroxenites have higher Mg # , lower Al2O3 and TiO2 contents than the black suite .

辉石岩包体含有绿色的Cr辉石岩和黑色的Al辉石岩包体两种类型，均为二辉岩，且多数样品中单斜辉石含量高于斜方辉石。

Two types of pyroxenite xenoliths are noted , namely , green Cr-and black Al-pyroxenites . All pyroxenites are websterites in which clinopyroxene is more abundant than orthopyroxene .

大别-苏鲁造山带大理岩中榴辉岩包体的锆石U-Pb年龄及其地质意义

Zircon U-Pb Dating of Marble-associated Eclogite in the Dabie-Sulu Orogenic Belt and Its Geological Implications

湖南道县辉长岩包体的锆石U-Pb法定年及其地质意义

Single grain zircon U-Pb dating of gabbro xenolith from Daoxian alkaline basalt , Hunan Province

橄榄辉石岩包体中橄榄石的Fo值最高，其亚种属靠近镁橄榄石端元的贵橄榄石；

The Fo value of olivine in the olivine-pyroxenite xenoliths is the highest and its subspecies is chrysolite near to the end point of forsterite .

普通球粒陨石中的CAI均发生了强烈的蚀变，黄长石被细粒蚀变产物集合体所替代。（3）不同球粒陨石群中富Ca、Al包体的对比研究。

All CAIs in the ordinary chondrites are heavily altered , mainly consisting of fine-grained alteration assemblages without melilite . ( 3 ) The comparative study of Ca - , Al-rich inclusions from various groups of chondrites .

栖霞地幔包体具有与现代对流地幔相同的Os同位素组成，且Os同位素组成与Re/Os比值没有明显相关性，表明年龄很新。

The Qixia xenoliths have Os isotopic compositions similar to the present-day convecting mantle and show no correlations between Os isotopic and Re / Os ratios , which suggest that they are very young in age .

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。

Lots of mafic-ultramafic enclaves are developed in Neoarchaean TTG gneisses in south of Jiaobei uplift with the trend of NEE .

本文应用有效介质理论（EMT），研究含椭球包体的多相复合介质中的导电性。

In this paper the electrical conductance of a two-phase composite medium with ellipsoidal inclusions has been investigated by using the effective-medium theory ( EMT ) .

包体KAr年龄为152Ma，与其寄主岩石的形成年龄（155~161Ma）接近，显示岩浆混合作用发生的时间大致为晚侏罗世早期。

The formation age ( 152 Ma ) of the enclave is close to that ( 155 ~ 161 Ma ) of the host rock , suggesting that the mixing event took place during the early period of Late Jurassic .

自然金稀土元素的赋存状态为U、Th矿物的微细包体，其分配特点可用来讨论岩金矿床的分类以及砂金的原生来源。

REE occur in U Th containing minerals as micro inclusion in native gold , the partition characteristics of which can be used to discuss the classification of hard rock gold deposits and the primary source of placer gold .

而已在都兰地区副片麻岩锆石中柯石英包体的发现也证明了含榴辉岩的片麻岩（片岩）与榴辉岩一样同样经历了UHP变质作用。

In addition , newly reported coesites in paragneisses enclosing eclogites in Dulan area also suggest that the gneiss and enclosed eclogite as a whole underwent early Paleozoic HP-UHP metamorphism .

根据波尔近似，借助于波动积分方程，近似求解半无限弹性空间中平面SH波由圆形空腔和刚性包体所散射的问题。

By using the Born approximation , the scattering of SH-waves by the circular cavity and the circular rigid inclusion embedded in half-space is solved approximately by means of Integral representation of the wave equation .

辽宁宽甸新生代火山岩和地幔包体He-Ar同位素组成

He and Ar isotopic compositions in Cenozoic alkali basalts and mantle-derived xenoliths from Kuandian volcanics in Liaoning Province , China

辉石斑晶在BSE图像下呈两种不同的结构特点：辉石斑晶1发育反应边；辉石斑晶2不发育反应边，包含长石包体。

Orthopyroxene phenocryst exhibits two different appearances on their BSE images . One has well developed overgrowth . The other is characterized by fine inclusions of plagioclase , without overgrowth .

富Ca、Al包体（CAI）是太阳星云最早期各种热事件的产物，保存了大量原始星云的信息，是研究星云形成和演化的探针，它们主要出现在碳质球粒陨石中。

Ca - , Al-rich inclusions ( CAIs ) are the earliest assemblages of the solar nebula , and they contain information of early solar nebula . They are the probe of studying the origin and evolvement of early solar nebula , and are mainly found in carbonaceous chondrites .

Os同位素资料显示，由地幔橄榄岩包体所反映的新生代岩石圈地幔具有年轻性质，与古生代时的岩石圈地幔截然不同。

The Os isotopic data from the mantle xenoliths in the Cenozoic basalts suggested that the lithospheric mantle in the Cenozoic is juvenile , much different from that in the Paleozoic , which indicated that the present lithospheric mantle is not the residue after the thinning .

上述岩石包体与寄主岩相比，相对地富Zr，P，Ti和REE等高场强元素，这说明发生混合的、成分不同的两岩浆很可能是同源的，由液相不混溶作用产生。

The fact that the enclaves and the host rock are comagmatic and that the former is relatively rich in high-field-strength elements such as Zr , P , Ti , REE , etc. suggests that origin of the enclaves may be magma immiscibility between the two corresponding magmas .

电子探针成分分析结果表明，两种橄榄石中的FeO和MnO比值，包体矿物种类，包体铁纹石和镍纹石中Fe，Ni的含量等，均有较大区别。

The electron microprobe analyses show that there are distinct differences between two types of olivine in the aspects of the FeO / MnO ratio , the species of inclusion minerals , the concentrations of Fe an Ni in kamacite and taenite inclusions .

Brady在其包体地震理论中的两个错误，即远场双向压力下对剪切断层而言，包体内与椭圆短轴平行的应力不是张应力；

Brady there are two errors , namely , ( 1 ) the stress component parallel to the minor axis within the elliptical inclusion is not a tensile stress , under far field compression in two directions ;

应用自行开发的岩石破裂与失稳RFPA2D系统，对含低弹模不同强度的包体试样的破裂模式进行了数值试验。

Fracture model of samples with inclusion of low elastic modulus and different strength under the iso-speed displacement load are simulated by using our RFPA 2D code .

详细推导了弹性场的Eshelby椭球包体理论，在此基础上推导了裂隙等效弹性模量的一阶近似式（Hudson公式）。

Eshelby 's theory of elastic field containing elliptic inclusion is derived in detail and the effective elastic modulus of cracked media ( the first order of Hudson equation ) is derived based on Eshelby theory .

北苏鲁乳山辉长&闪长岩及其基性岩石包体的锆石U-Pb年代学和地球化学研究内核和外壳中均发育石英、斜长石、黑云母、角闪石等矿物的包裹体；

Zircon U-Pb Ages , Geochemistry of the Rushan Gabbro-diorites and Their Mafic Xenoliths from the Northern Sulu Orogen , Shandong Province , Eastern China ; Both the core and the mantle have inclusions of biotite , hornblende , quartz and plagioclase .

其基本结构主要为NiAs型，具有较高的Ni+Cu+Co含量，与相应的地幔包体成分相近。

They all belong to NiAs type and are relatively high in Ni + Cu + Co , being similar to the composition of pyrrhotite in mantle-derived inclusions .

随后出现大于4615m／s的高速区，范围大致与包体位置一致。

Then the high velocity area with more than 4615m / s appeared and its rang was roughly the same with the location of inclusion ;

中国大陆科学钻（CCSD）附近幔源橄榄岩包体的发现对东海地区岩石圈厚度、物质组成、热结构和底侵作用动力过程提供了重要约束。

The discovery of the mantle-derived xenoliths in the area adjacent to the site of the CCSD ( Chinese Continental Scientific Drilling ) provides an important constraint for understanding the composition , thickness and thermal structure of the lithosphere as well as the underplating process in the Donghai area .

本文对中国东南沿海不含幔源包体的中生代玄武岩和含幔源包体的新生代玄武岩进行了微量元素和Nd-Sr-Pb同位素对比研究。

Trace element and Nd-Sr-Pb isotopic compositions of mantle xenolith-free Mesozoic basalts and mantle xenolith-bearing Cenozoic basalts in the coastal area of SE China are studied to provide an insight into the nature of their mantle sources and processes .