主岩

内蒙古白音宝力道花岗斑岩锆石U-Pb定年&白音宝力道金矿成矿主岩的形成时代

Zircon U-Pb dating of the Bayan Bold granite-porphyry in Inner Mongolia : The age of the host rock of the Bayan Bold gold deposit

为探索研究长期争议的成矿物质来源，系统测定了矿石和主岩的Os，He同位素组成。

In order to study the sources of ore-forming metals , which is a long debated and unsolved issue , Re-Os isotope and He isotope compositions of the ore and host rock were systematically analyzed .

区内以埃达克岩为成矿主岩的热液矿床矿种主要为Au和Cu，其次为Mo；

The adakite-hosted hydrothermal deposits in the area are mainly Au and Cu , secondly Mo.

脉和蓝片岩蚀变带中锂（Li）的含量几乎是蓝片岩主岩中锂的两倍，它支持流体是外部来源的设想。

The almost twice as high Li-concentration of the vein and the blueschist alteration zone in comparison to the blueschist host supports the assumption of an external origin for the fluids .

捕虏晶发育的环状裂隙、扭折带、矿物成分环带以及捕虏晶与主岩Mg值之间的不平衡均暗示它们为玄武质岩浆上升捕获的早期岩浆晶出矿物的堆晶体。

The circle cracks , kink bands , composition zoning , and equilibrium of Mg # values between olivine xenocrysts and host basalts imply that the xenocrysts could be the earlier magmatic cumulate caught by the host basaltic magmas .

诺顿论述了含铀主岩的沉积条件。

Norton has reviewed conditions of deposition of the uranium host rocks .

赋存金矿主岩的偏集性；有补集；

The " bias " of gold host-rocks ; set complement exists on it ;

煤和不同主岩干酪根镜质组反射率差异性的研究

Differential study on vitrinite reflectance of macerals from coal and kerogens of different host rocks

包体与主岩之间界线呈清楚、或模糊弥散状。

The boundary between the inclosure and host rocks takes on a clear or indistinct shape .

矿化主岩为玄武岩流顶部的淬碎玄武质角砾岩和玄武岩流之间的含炭沉积岩；

The host rocks are quenched-shattered amygdaloidal basalts at the tops of the basalt floods and carbonolithintercalations in the basalt floods .

通过高压脉及其主岩地球化学研究，可以示踪流体成分和来源。

The composition and the source of fluids could be traced by the geochemical study on the high-pressure veins and related host rocks .

高硫化浅成热液矿床的早期以流体对主岩的广泛淋滤为特征，流体呈酸性和氧化性。

The early stage of the high-sulfidation epithermal ore deposits is characterized by extensive leaching of the host rocks by an acidic and oxidative fluid .

反应性强、富含金属的岩浆流体从侵入体往外运移并且与主岩反应，形成带状分布的蚀变矿物组合。

Zoned alteration assemblages are formed as the reactive and metal-bearing magmatic fluid moves away from the intrusion , cools and reacts with the country rock .

从矿区的气候、地形、构造、矿体产状、矿物组成和矿化主岩等对氧化富集作用的影响，总结了铅硐山矿床矿石氧化富集规律。

The regularity of oxidation enrichment is summarized in terms of the climate , geomorphology , structure , orebody occurrence , mineral composition and host rocks .

西天山高压低温变质带中切割主岩蓝片岩/榴辉岩的榴辉岩相脉体记录了古生代俯冲带中的脱水过程。

Hydrous eclogite - facies veins cutting through the host blueschists / eclogites in the western Tianshan high-pressure-low-temperature metamorphic belt documented a dehydration process within a Paleozoic subduction zone .

高压脉及其主岩的岩相学与矿物化学研究表明流体是在俯冲过程中蓝片岩向榴辉岩进变质条件下释放。

Petrography and mineralogical chemistry of the high-pressure veins and their host rocks indicate that the vein-forming fluids were released at the blueschist to eclogite transitional prograde conditions during subduction .

含矿建造的有机地球化学研究表明：主岩富含原生有机质，其沉积环境为还原一强还原的浅海低洼海盆。

The studies of organic geochemistry on the ore-bearing formation show that the host-rock is rich in primary organic matters and the sedimentary environment is low basin in the epicontinental sea .

研究结果表明：三维地质建模是一种非常有效的场址评价手段，可以很直观地显示断裂和主岩的空间分布；

The result shows that the3D geological model is a very useful site assessment method , from which the spatial distribution of the host rock and faults can be displayed directly .

在富来梯，主岩为细粒接触相的石英闪长岩。原料粒度对高温固相法制备锆英石粉体的影响

At Flat the host is quartz diorite with a finegrained contact phase . Research on Influence Factor Originated from Granularity of Starting Materials in Synthesis of Zircon Powders by High Temperature Solid State Reaction

地壳流体在主岩溶解和迁移过程中，以搬运和交换物质、传输和释放能量的基本作用广泛影响地壳内部的造山、变质、成岩、成矿等地质作用和过程。

The crustal fluids play an important part in geological processes of orogenesis , metamorphism , diagenesis and mineralization during dissolution and migration of fluids in host rocks where it can transfer and exchange material as well as transmit and deliver energy .

通过对某些层控矿床中有机物质的研究，可以解释成矿物质的来源、沉淀富集机理、含矿热液运移路线和主岩的沉积环境，并且可以指示矿体的大致分布范围，指导找矿勘探。

It is probable to explain the source of minerogenetic matter , the mechanism of deposition and concentration , the moving path of mineralizing fluids and the sedimentary environment of host rocks , at the same time , to indicate the possible distribution of orebodies and offer the prospecting criterion .

大巴山前陆构造带主断裂碳酸盐岩碳、氧同位素特征及其对流体的响应

Carbon and oxygen isotope features of carbonatite in the main fracture of Daba Mountains foreland structural belt and its fluid response

据此，建立基于最大主剪应变的岩土材料延性剪切破坏应变准则；

The strain criterion for ductile shear failure based on the maximum principal shear strain is established .

根据包裹体测温显示矿床成矿范围是200～235℃，由此判断主山冲蚀变岩型金矿床属中温&亚中温热液型金矿。

According to the temperature of the fluid inclusion which arrange 200 ℃ to 235 ℃, it considers that this deposit is a low-to-moderate temperature hydrothermal infilling quartz vein gold deposit .