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hydrothermal vein
相关语句
  热液脉
     7, hydrothermo-metasomatic and hydrothermal vein type;
     7)热液交代和热液脉型;
短句来源
     The hydrothermal vein type deposit’s REE distribution pattern is the same that its mother deposit.
     热液脉型矿床稀土元素分布模式与母矿床相同。
短句来源
     The main uranium mineralizations in Sanjiu area are hydrothermal vein type and cataclastic altered rock type in granites.
     三九地区铀矿化类型主要为花岗岩热液脉型和碎裂蚀变岩型。
短句来源
     This belt has 5 super large volcanic hydrothermal vein type uranium deposits and 6 large size volcanic hydrothermal vein type uranium deposits with a total reserve of 330 000 t and holds an important position in the hydrothermal vein type uranium resources of the world.
     本文介绍了在额尔古纳超大型火山热液型铀成矿带中发现的超大型火山热液脉型铀矿床有5个,大型火山热液脉型铀矿床有6个,总共有铀金属储量33万t,在世界热液脉型铀矿资源量中占有重要地位。
短句来源
     GENESIS OF SULFIDE INCLUSIONS IN IRON RICH SPHALERITE FROM HYDROTHERMAL VEIN TYPE LEAD ZINC SILVER DEPOSITS
     热液脉型铅-锌-银矿床富铁闪锌矿中硫化物包裹体成因探讨
短句来源
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  “hydrothermal vein”译为未确定词的双语例句
     TEMPORAL-SPATIAL ASSOCIATION BETWEEN DYKE ROCK AND HYDROTHERMAL VEIN GOLD MINERALIZATION AND ITS IMPLICATION
     脉岩与热液脉状金矿化的时空伴生及其地质意义
短句来源
     On the basis of the factors-the effects of the uplift ano erosion, grade of regional metamorphism, rift and its associated hydrothermal vein in crustal movement the caprocks and the hydrogeologic conditions ere, the effect of the preservation conditions on forming gas reservoirs in the west part of Hunan and Hubei province is analyzed in the paper.
     本文从地壳运动的上升剥蚀作用、区域变质程度、断裂及其伴生热液矿脉的影响、盖层及水文地质条件等因素剖析了保存条件对湘鄂西地区天然气藏形成的影响。
短句来源
     The Jiawula- Chaganbulagen silver Polymetallic ore deposits are of petvolcanic hydrothermal vein type, formed from Yenshan xnagmatism.
     内蒙甲一查银多金属矿床是由燕山期构造岩浆作用形成的后火山热液脉状矿床。
短句来源
     According to the deposit characteristics,mineralizing condition and element association,the silver deposits in the greater Xing′an Mountain Area are divided into skarn,porphyry and hydrothermal vein silver deposits.
     根据大兴安岭地区银矿床特征、成矿条件和元素组合将该区银矿床分为三个类型 :矽卡岩型银矿床、斑岩型银矿床和热液脉状银矿床。
短句来源
     According to previous and current division standard of gold deposit type, in combination with the mineralization characteristics of the eastern Xinjiang, the gold deposits in the eastern Tianshan mountains could be divided into 6 genetic types or 8 industrial types, i.e., shear-zone type or orogenic type, epithermal type, magmatic hydrothermal vein type, porphyry type, silicon hat (hot spring) type and Ag-Au type of deposits hosted in Precambrian strata and so on.
     据金矿类型划分标准,结合新疆东部金成矿特点,划分出韧性剪切带型金矿、浅成低温热液型金矿、岩浆热液型金矿、斑岩型金(铜)矿、硅化帽型金矿及变质岩型或绿片岩型银金矿6种成因类型,8种工业类型。
短句来源
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  相似匹配句对
     Vein
     脉
短句来源
     7, hydrothermo-metasomatic and hydrothermal vein type;
     7)热液交代和热液脉型;
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
     ON HYDROTHERMAL ROCK
     关于热液岩
短句来源
     vein gen.
     vein gen.
短句来源
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  hydrothermal vein
Strontium isotope systematics of hydrothermal vein minerals in deposits of West Germany
      
However, in cogenetic hydrothermal vein fluorites the range of Y/Ho ratios is often almost negligible compared to the range of La/Ho ratios.
      
Hydrothermal vein fluorites are characterized by the close association of Y and REE, but in contrast to igneous and clastic rocks they show variable and nonchondritic Y/Ho ratios of up to 200.
      
The common 380 nm emission band of quartz was observed in both volcanic and granitic quartz, but was not detected in either the pegmatitic or the hydrothermal vein quartz.
      
Thermoluminescence spectra of igneous quartz and hydrothermal vein quartz
      
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This paper consists of three parts. The first part describes the recongnization of search for uranium ore deposits in China. The second part provides in some detail the recongnized types of uranium deposits and characteristics of geological mineralization in China. The main types of uranium deposits are granite type, volcanic type, sandstone type and calcareoussiliceous-pelitie type. And it also analyses the close relationship between the time and space of uranium deposits formation and the redbeds of Cretaceous-Tertiary...

This paper consists of three parts. The first part describes the recongnization of search for uranium ore deposits in China. The second part provides in some detail the recongnized types of uranium deposits and characteristics of geological mineralization in China. The main types of uranium deposits are granite type, volcanic type, sandstone type and calcareoussiliceous-pelitie type. And it also analyses the close relationship between the time and space of uranium deposits formation and the redbeds of Cretaceous-Tertiary period. The formation of the granite-type-deposits in South China is closely related to tectonic block caused by palaeogeography, palaeoclimatology and Yanshan Movement. The activation, migration and redeposition in favourable terrains of uranium in uraniumrieh beds occurs. The third part makes a comparision of the recongnized uranium ore deposit types between China and the world. It apparently indicates that the uranium deposits in China are primaryly of granitic and volcanic-hydrothermal-vein type. Uranium orebodies mainly occur in Middle-Cainozoic terrain, palaeozoic terrain and the top part of Sub-Sinian terrain (the oldest). The age of uranium mineralization is generally less than 100m. y., However there are many types of uranium deposits in the world. The age of ore bearing beds may be old or young, however, the most important beds for uranium are of precambrian metamorphic rocks, in which the world well known uranium ore deposits of quartz-pebble conglomerate-type, uncomformity-vein-type and porphyry-type occur. Through the comparision we realized that we should strengthen our study of geological metallogenetic laws, compare our known uranium deposits with world known uranium deposits, enlarge the prospect areas of known deposits and study of new types of uranium deposits. In such a way we can enlarge increasingly uranium resources in China.

本文共分三部份,第一,簡述了我国鈾矿找矿的认识过程,第二,比較詳細地描述我国发现的鈾矿类型及其地质矿化特征,鈾矿床类型以花崗岩型、火山岩型、砂岩型和碳硅泥岩型为主。分析了鈾矿床的形成在时間上和空間上与白堊-第三系紅层的密切关系。华南花崗岩鈾矿床其形成是与白堊-第三系古地理气候和燕山运动产生的断块构造有关,使富鈾层位中的鈾产生活化,迁移,而于有利的部位再沉积;第三,把我国已发現的鈾矿床类型,同世界土鈾矿床相比較。我国鈾矿床以花崗岩型和火山岩型热液脉状矿床为主,含鈾层位主要是中新生代、古生代,最老的为震旦亚界的頂部层位,鈾矿化年龄一般小于100百万年。而世界上鈾矿床类型很多,含矿层位有老有新,而尤以前塞武系变質岩最为重要。世界上最著名的石英卵石砾岩型、不整合脉型以及斑岩鈾矿型等均賦存在此层位中。从对比中启示我們今后应加强地質成矿規律的研究,注意同国外已知类型进行类比,积极扩大已知类型的远景,探索新类型,以扩大我国鈾矿资源。

On the basis of the factors-the effects of the uplift ano erosion, grade of regional metamorphism, rift and its associated hydrothermal vein in crustal movement the caprocks and the hydrogeologic conditions ere, the effect of the preservation conditions on forming gas reservoirs in the west part of Hunan and Hubei province is analyzed in the paper. It is proposed that in the wide synclines, the regions with best preservation conditions for Permian and Triassic. are Shizhu synclinore and zigui synclinore,...

On the basis of the factors-the effects of the uplift ano erosion, grade of regional metamorphism, rift and its associated hydrothermal vein in crustal movement the caprocks and the hydrogeologic conditions ere, the effect of the preservation conditions on forming gas reservoirs in the west part of Hunan and Hubei province is analyzed in the paper. It is proposed that in the wide synclines, the regions with best preservation conditions for Permian and Triassic. are Shizhu synclinore and zigui synclinore, but with better ones for Sinian is Sangzhi-Shimen Synclinore.

本文从地壳运动的上升剥蚀作用、区域变质程度、断裂及其伴生热液矿脉的影响、盖层及水文地质条件等因素剖析了保存条件对湘鄂西地区天然气藏形成的影响。提出宽向斜中二、三叠系目的层、保存条件最好的地区是石柱复向斜及秭归复向斜;灯影组目的层,则以桑植—石门复向斜的保存条件相对较好。

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,...

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。

 
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