查询词典 silicification

The mineralization of gold and silver is zoned and closely related to silicification of carbonate and clastic rocks, so siliceous ore dominates in the deposit.

矿化温度主要在300～170 C之间，成矿流体的主要成分为K~-、Na~-、Ca~(2+)、Mg~(2+)、Cl~。金属配合物的分配计算显示，金在成矿热液中主要以疏氢配合物迁移，而银、铁、铅、锌则以氯配合物为主，铁、铅、锌在成矿后期的中性-弱碱性环境下可转变为羟基和硫氢配合物。

Calculations based on Grosens'component-volume equation show that,wit the intensification of mylonitization,increasing amounts of SiO_2 and FeO are brought in,which is geologically expressed as intensified silicification and pyritization.

根据Gresens的成分－体积关系式所获得的计算结果表明：SiO＿2、FeO随着糜棱岩化程度加强而带入量增加，在地质上表现为硅化、黄铁矿化加强

A MoSi2 coating on C-103 niobium alloy was prepared by packing cementation, and the microstructures of the oxidized and unoxidized coatings were analyzed by XRD, SEM and EDS techniques. The formation mechanism of the silicide coating was investigated. The results show that the silicide coating is formed by reactive diffusion and the silicification process obeys parabolic relation.

采用包渗法在C-103铌合金基体上制备MoSi2涂层，通过X射线衍射、扫描电镜和能谱分析等手段研究涂层表面、截面形貌以及氧化后涂层结构变化，并分析硅化过程中涂层的形成机理。

Surface exploration during the same time period identified three separate zones of consistent +1 g/t surface oxide anomalies, extending to 400m southwestof the known deposit. A 2003 airborne survey over Cerro Quilish utilizing Newmont's NEWTEMS geophysical electromagnetic system has identified the continuation of strong silicification extending up to 0.75 miles (1.2 kilometers) southwest of the known deposit.

同一时期所进行的地表勘探确定了三个分离的矿区，其地表的氧化异常都在1克/吨以上，在已知矿床的西南方向上延伸了400公尺。2003年在Cerro Quilish上空使用纽蒙特的NEWTEMS物理探矿电磁系统进行了一次航空测量，结果表明连续的强硅化从已知的矿床向西南方向延伸了0.75英里（合1.2公里）。

The wall rock alteration is silicification, potash feldspathization and pyritezation. Analyses of the correlation,R-type cluster, orthogonal and oblique factors on some trace elements from 57 samples with primary halo show that the Au,Cu, Ag came into the same ore-bearing hydrothermal p...

通过57个矿床原生晕样品部分微量元素相关分析、R型聚类分析和正交因子、斜交因子分析，表明Au、Cu、Ag组合为主要矿化阶段的元素组合，是化探找矿的重要指示元素。

The results show that the silicide coating is formed by reactive diffusion and the silicification process obeys parabolic relation. The coating is composed of composite structures including MoSi2 outer layer, two-phase transient zone with major NbSi2 and minor Nb5Si3, and Nb5Si3 diffusion inner layer. The coating possesses good high-temperature oxidation resistance and spalling resistance.

研究结果表明：包渗法制备硅化物涂层是通过反应扩散形成的，硅化过程服从抛物线规律；该涂层为复合结构：MoSi2相为主体层；以NbSi2相为主、并含少量Nb5Si3相的两相为过渡区；Nb5Si3相为扩散层。

Calculation of loss and gain of components in parentage and altered rocks during metasomatism, reveals that, in rubification and afforestation belts, the components brought in were K〓, CO〓, H〓O, and the components brought out were SiO〓, Ca〓 and Na〓, implying that the early ore-bearing hydrothermal fluids were rich in CO〓 and H〓O. SiO〓 brought out from potassic and chlorite alteration zones could serve as the main source for SiO〓 necessary in the formation of quartz veins, of silicification and of bericitization at shallow depth.

说明早期成矿流体为富含CO〓、H〓O等的碱性流体，其中钾化、绿化带中带出的SiO〓等是浅部石英脉、硅化、绢英岩化中硅质的主要来源，带出的Ca〓与成矿流体中的CO〓结合形成碳酸盐化，带出的Na〓则在浅部形成钠长石脉。

Within a lateral transection profile that traversing a auriferous quartz vein, the contents of U and Th decrease as the K-feldsparthization and silicification increase, while the V1 and V2 have a similar variation trend with the exception of the samples near the auriferous vein.

在穿脉剖面上，随着钾、硅化蚀变程度的增加，U、Th含量降低，铅同位素矢量特征值V1、V2值随蚀变程度增加有降低的趋势，但近矿脉样品由于受矿化影响而不同于蚀变围岩。

The main ore_stage alterations related to hydrothermal fluids include ①early K_silicate alteration,②silicification,③ pyrite_sericite_quartz alteration and ④propylitization.

成矿期间与矿化热液活动有关的蚀变主要有：①早期钾硅酸盐化；②红柱石次生石英岩化；③黄铁绢英岩化；④青磐岩化。

According to geological characteristics of mineral area,geological conditions of mineralization,geochemical characteristics,material sources of mineralization,mineralization patterns,as well as physical and chemical conditions of mineralization,it summarize the mineralization pattern and genesis of ore deposit of Xianghualing mining areas,considering that mineralization materials in this deposit mainly come from magma,genesis patterns of deposit include high-temperature gas-liquid Nb、Ta deposit related to albitization laying in or on the edge of granite rock bodies,median-high temperature Skarn Sn,Be deposit related to skarnized laying at the inner contact-belt of granite and carbonate rock bodies;median-high temperature cassiterite -sulphide mineral deposit related to skamized laying at outer contact-belt of granite and carbonate rock bodies and median-low temperature hydrothermal liquid Pb-Zn-Ag deposit related to silicification,fluorite, propylitization laying in wall rocks;Series of generalized magma- hydrothermal liquid type Sn-polymatellitic related to magmatic activity in Yanshan period as a whole.

通过对矿区地质特征、成矿地质条件、地球化学特征、成矿物质来源、成矿作用、矿化型式以及成矿物理化学条件的分析，总结了香花岭矿区的矿床成因以及成矿模式，认为香花岭锡多金属矿成矿物质主要来源于岩浆，矿床成因类型包括花岗岩体内及其边部产出的与钠长岩化有关的高温气液型Nb、Ta矿床、花岗岩体与碳酸盐岩内接触带产出的与矽卡岩化有关的中高温矽卡岩型Sn、Be矿床、花岗岩体与碳酸盐岩外接触带产出的与矽卡岩化有关的中高温锡石硫化物矿床以及围岩中产出的与硅化、萤石化、青磐岩化有关的中低温热液型铅锌银矿床，整体构成与燕山期岩浆活动有关的广义岩浆热液型锡多金属成矿系列

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。