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成矿作用演化     
相关语句
  mineralization evolvement
     The Geochemistry and Mineralization Evolvement of Gejiu Tin Ore Deposits
     个旧锡矿地球化学及成矿作用演化
短句来源
  evolution of metallization
     EVOLUTION OF METALLIZATION AND GENETIC TYPE OF TANJIANSHAN GOLD FIELD
     滩间山金矿田成矿作用演化及成因类型
短句来源
  ore-forming evolution
     GEOLOGICAL CHARACTERISTICS AND ORE-FORMING EVOLUTION OF DAHONGSHAN COPPER DEPOSIT
     大红山铜矿床的地质特征及成矿作用演化
短句来源
  “成矿作用演化”译为未确定词的双语例句
     THE MINERALIZATION PROCESSES AND MINEROGENETIC MODEL OF THE RARE EARTH-RARE METAL DEPOSITS RELATED TO THE GRANITOIDS OF NANLING REGION
     南岭地区与花岗岩有关的稀土、稀有元素成矿作用演化与成矿模式
短句来源
     The Evolutionary Pattern of Mineralization of the Fankou Pb-Zn Deposit
     凡口铅锌矿床成矿作用演化规律
短句来源
     A DISCUSSION ON METALIZATIONAL PATTERN OF GOLD ORE IN YISHU FAULT SYSTEM
     浅议沂沭断裂系及其邻区金矿成矿作用演化
短句来源
     4. All of ore deposits have same experience that ore metals preconcentrated in matemorphism period, and formed minable deposits in tectonic-hydrothermal reformed period.
     4:两类矿床都经历了变质预富集、构造热液改造工业富集的成矿作用演化
短句来源
     Based 0n the comprehensive geological observations and geochemical data, we firstly discussed the geological conditions of metallogenesis of the Jinshan gold field, and come to the conclusion that this deposit was controlled by following conditions: well stable gold sources, a long metallogenic history with periodic, multiple - stage reworking and superimposition of mineralization.
     在概述国内外超大型金矿床地质特征的基础上,着重论述了金山金矿床产出的地质背景和地质条件,认为金山矿田县有稳定的成矿物质来源,并经历了长期的成矿作用演化历史,具有多期次和不同类型成矿作用的叠加和改通的特征。
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    The gold-bearing quartz can be distinguished from the gold-free quartzby its double, or triple peaks on the thermoluminescence curves. Withthe evolution of ore-forming process, the peak temperatures tend to de-crease, and the thermoluminescence strengths tend to increase. The quartzin metamorphic hydrothermal veins is characterized by its simple ther-moluminescence curve, high peak temperature, and low thermolumines-cence strength; the quartz in magmatic hydrothermal veins, by mediumpeak temperature, and high...

    The gold-bearing quartz can be distinguished from the gold-free quartzby its double, or triple peaks on the thermoluminescence curves. Withthe evolution of ore-forming process, the peak temperatures tend to de-crease, and the thermoluminescence strengths tend to increase. The quartzin metamorphic hydrothermal veins is characterized by its simple ther-moluminescence curve, high peak temperature, and low thermolumines-cence strength; the quartz in magmatic hydrothermal veins, by mediumpeak temperature, and high thermoluminescence strength; the quartz inpolygenetic veins, by complicated thermoluminescence curve, and variedthermoluminescence strength.

    含金石英热发光曲线以双峰、三峰为特征而区别于不含金石英。随成矿作用的演化,石英的热发光峰温趋于降低,发光强度趋于增加。变质热液石英脉,石英的热发光曲线简单,峰温高,发光强度低;岩浆热液石英脉以石英的高发光强度为特征;复合成因石英脉,石英的热光曲线复杂,发光强度的变化幅度大。

    The Granite mass is composed of rocks related to three epnsodes of the cally Yanshanian period (from 196 —164 Ma ) united into one consanguineous, synchronous but of different emplacement phases, composite massif. Lithochemical, trace element and isotopic data indicate that the massif has the S-type granitoid characteristics. The granite- type tin deposits of a unique style are occurred atthe projeted portion of the lepidolite-bearing albite granite of late episode, and in close contact with granite type Ta-Nb...

    The Granite mass is composed of rocks related to three epnsodes of the cally Yanshanian period (from 196 —164 Ma ) united into one consanguineous, synchronous but of different emplacement phases, composite massif. Lithochemical, trace element and isotopic data indicate that the massif has the S-type granitoid characteristics. The granite- type tin deposits of a unique style are occurred atthe projeted portion of the lepidolite-bearing albite granite of late episode, and in close contact with granite type Ta-Nb deposits. These two kinds ore deposits are spatially associated but of different mineral compositions Both are the products of different evolution stages of same metallogenesis. Tin ore bodies occurred in stratiform or crustyform with the ores in disseminated structure. Cassiterite is produced in the intergranular pore space or micro fracture and related to autometasomatism of late-post magmatic processes. Its mineralization temperature is 440-230℃. The oxygen isotopic data show that the ore bearing fluid was come from initial magmatic water. At the end of this paper, the author suggests a diagenetic-metallogeic model for the granite massif in the orefield.

    矿田内花岗岩体呈岩株状,时代属燕山早期(196~164百万年),可分为三个幕相,是一个同源同期不同阶段侵位的复式岩体。岩石化学、微量元素与同位素资科表明,花岗岩具典型的S型特征。独具一格的花岗岩型锡矿床赋存于晚幕相含锂云母钠长石花岗岩体的顶突部位,与花岗岩型钽铌矿床紧密相连或彼此重叠,两类矿床既有联系,又有差异,是成矿作用演化发展不同阶段的产物。锡矿体呈似层状或皮壳状,矿石具浸染状构造。锡石产于造岩矿物粒间隙和微裂隙中,与岩浆末期—期后自交代作用有关,锡矿形成温度为440~230℃。锡石的氧同位素资料表明,含矿流体来自初始岩浆水。文章最后简拟了矿田花岗岩成岩成矿模式。

    Productive uranium deposits, like deposits of many other metals, are clustered within certain broad areas, which may be referred to as"Uranium minerogenetic zones"or"Uranium minerogenetic provinces". This paper studies the formation and distribution of the uranium deposits in the earth crust. It describes the main uranium minerogenetic zones and provinces of the woeld, and the evolution and development of the uranium minerogenesis in history of the earth crust.

    工业铀矿床和许多其他金属矿床一样,集中产在世界上一定地区的广阔范围内;这些地区可以称为《铀成矿带》或《铀成矿省》。这篇论文就是研究地壳中铀矿床的形成和分布规律,阐述世界上铀的成矿带和成矿省,也探索了地壳发展历史中铀成矿作用的演化和发展规律.

     
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