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hydrothermal vein type
相关语句
  热液脉型
     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 type”译为未确定词的双语例句
     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 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
     Tin deposits in central Nanling region are mainly altered type,porphyry type,greisentype,hydrothermal vein type,hydrothermal metasomatic type and contact metasomatic type.
     南岭中段锡矿床的成因类型主要有五种:蚀变花岗岩型、斑岩型、云英岩型、热液充填型、热液交代型和接触交代型。
短句来源
  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
     THE SIGNIFICANCE ABOUT THE VEIN IN STUDYING THE GENESIS OF HYDROTHERMAL ORE DEPOSITS
     岩脉在热液矿床成因研究中的意义——以胶东西北部金矿床为例
短句来源
     vein gen.
     vein gen.
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
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  hydrothermal vein type
In veins in/or associated with dominantly alkaline-peralkaline igneous rocks, with an origin more akin to magmatic-hydrothermal vein-type deposits; 3.
      


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...

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。

In this paper geological and geochemical features of Lianshanguan uranium deposit are studied and the genesis of the deposit is also discussed. Two genetic types of uranium mineralization can bc classified: sedimento-metamorphic type and alkalinc hydrothermal vein tyPe. The U-Pb isotopic ages are 2085.6Ma and 1974.8Ma, respectively. Uranium minerals of economic signiicance are pichblende and uraninite, coffinites in minor amount are also found. The orebodies are Iccalized in alkali metasomatites...

In this paper geological and geochemical features of Lianshanguan uranium deposit are studied and the genesis of the deposit is also discussed. Two genetic types of uranium mineralization can bc classified: sedimento-metamorphic type and alkalinc hydrothermal vein tyPe. The U-Pb isotopic ages are 2085.6Ma and 1974.8Ma, respectively. Uranium minerals of economic signiicance are pichblende and uraninite, coffinites in minor amount are also found. The orebodies are Iccalized in alkali metasomatites and uranium mineralization was controlled by alkali metasomatism in time and space It belongs to a uranium depcsit of multiple stages and geneses mainly of middle-high temperature alkali metasomatism hydro-thermal origin. Uranium source in.the deposit is PrinciPally derived from the Lianshanguan massif and mobilization and migration of uranium are related to alkali metascmatjsm.

本文对著名的连山关铀矿床的地质地球化学特征进行了研究,并探讨了矿床成因,划分了两种不同成因的矿体:沉积变质型和碱交代热液脉型,其同位素年龄分别为2085.6Ma和1974.8Ma。矿床的工业铀矿物以沥青铀矿、晶质铀矿为主。矿床属多阶段复成因铀矿床,以中高温碱交代热液成因为主。矿床铀源主要来自连山关岩体,铀的活化转移与碱交代作用有关。

China is abundant in rare earth mineral jesources. The rare earth ore deposits and mineralization regions are regularly distributed both in geologic space and in geochronologic trme the RE mineral deposits are spreaded 'n stable region (platform of paraplatform) as well as in mobile region (geosyncline or fold system) In any geochronologic unit RE mineral deposits might be formed and, especially, in Hercynian and Yanshan movement they are mineralized in large scale and in vast area. On the bases of RE mineralized...

China is abundant in rare earth mineral jesources. The rare earth ore deposits and mineralization regions are regularly distributed both in geologic space and in geochronologic trme the RE mineral deposits are spreaded 'n stable region (platform of paraplatform) as well as in mobile region (geosyncline or fold system) In any geochronologic unit RE mineral deposits might be formed and, especially, in Hercynian and Yanshan movement they are mineralized in large scale and in vast area. On the bases of RE mineralized condition, the RE mineral deposits in China may be divided into ten genetic types as follows: 1, granities, alkali-granitic, grano-dioritic, and albitized granitie type; 2, alkaline rock type; 3, carbona tite type; 4, skarn type; 5, pegmatite type; 6, inetamorphic rock type and sedimentary-metamo-phic carbonate rock type; 7, hydrothermo-metasomatic and hydrothermal vein type; 8, sedimentary rock type; 9, rare earth placer; 10, deposits in weathered crust of granitic body. Any type mentioned above has its own real occured place

稀土矿床和稀土矿化地区在地质空间和地质时间的分布方面各有规律。空间上既分布于稳定地区(地台和准地台),亦分布于活动地区(地槽和褶皱系)。在地质时代方面,各造山运动和岩浆活动期都能够成矿,尤以海西期和燕山期矿化规模大,面积广。根据成矿条件,将稀土矿床划分为十种成因类型,即:1)花岗岩、碱性花岗岩、花岗闪长岩、钠长石化花岗岩型;2)碱性岩型;3)火成碳酸岩型;4)矽卡岩型;5)伟晶岩型;6)变质岩和沉积变质碳酸盐岩石型;7)热液交代和热液脉型;8)沉积岩型;9)稀土砂矿型;10)花岗岩类风化壳型。

 
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