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hydrothermal sedimentary deposit
相关语句
  热水沉积矿床
     DISCUSSION ON MARINE HYDROTHERMAL SEDIMENTARY DEPOSIT
     海相热水沉积矿床问题探讨
短句来源
     Resent situations and trend of studies on the hydrothermal sedimentary deposit
     热水沉积矿床研究的现状与趋势
短句来源
     The classification of marine hydrothermal sedimentary deposit are discussed. The characteristic of many deposits are introduced. The metallogenic mechanism, deposit genesis and material source are also discussed.
     文章讨论了海相热水沉积矿床的分类 ,介绍了各类矿床的特征 ,探讨了成矿控制因素、物质来源和成矿机制 ,就此对海相热水沉积矿床与其它矿床的划分问题提出了意见。
短句来源
     The characteristics of the distribution,attitude and enrichment of lead-zinc beds,hydrothermal sedimentary features,petrochemistry and the sources of ore-bearing materials,comparison between hydrothermal sediments and rare-earth elements from normal-water sedimentary wall-rocks in basin and the Devonian hydrothermal sediments in the southern Qinling,demonstrate the Huangshiban lead-zinc deposit in Baihe county is a typical hydrothermal sedimentary deposit.
     经过对黄石板铅锌矿含矿层展布、产态、矿化富集规律等基本特征的总结,以及对含矿层中典型热水沉积岩岩石学特征、岩石化学特征、含矿物质来源初步分析,通过热水沉积岩和盆地正常水沉积围岩的稀土元素地球化学等与南秦岭泥盆纪热水沉积岩的对比、研究,初步认为白河县黄石板铅锌矿为一较典型的热水沉积矿床
短句来源
  相似匹配句对
     GEOCHEMISTRY OF HYDROTHERMAL SEDIMENTARY SILICALITE
     热水沉积硅岩的地球化学
短句来源
     ADVANCES IN THE RESEARCH ON HYDROTHERMAL SEDIMENTARY MINERALIZATION
     热水沉积成矿研究现状与展望
短句来源
     DISCUSSION ON MARINE HYDROTHERMAL SEDIMENTARY DEPOSIT
     海相热水沉积矿床问题探讨
短句来源
     APPROACH ON SEDIMENTARY BASIN WITH HYDROTHERMAL DEPOSITION IN THE QINLING
     秦岭造山带中热水沉积成矿盆地的研究思路与方法初探——兼论秦岭超大型金属矿集区的研究与勘查
短句来源
     STUDIES OF SUBMARINE HYDROTHERMAL——SEDIMENTARY URANIUM DEPOSITS
     海底热水沉积铀矿研究——以鄂西北碱性火山岩型与硅灰岩型铀矿为例
短句来源
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Genetic classification of ore deposits should be based upon the mineralization features of the main metallogenic epoch. In the light of the development of minerogenetic concept in last twenty years, it is suggested that ore deposits may be classified according to their genesis as follows. I. Magmatic (intrusive) deposits: (1) Magmatic segregation deposits.(2) Magmatic(intrusive)hydrothermal deposits. Ⅱ. Volcanogenic deposits; (3) Magmatic eruption deposits. (4)...

Genetic classification of ore deposits should be based upon the mineralization features of the main metallogenic epoch. In the light of the development of minerogenetic concept in last twenty years, it is suggested that ore deposits may be classified according to their genesis as follows. I. Magmatic (intrusive) deposits: (1) Magmatic segregation deposits.(2) Magmatic(intrusive)hydrothermal deposits. Ⅱ. Volcanogenic deposits; (3) Magmatic eruption deposits. (4) Volcangene hydrothermal deposits, (5) Volcangene hydrothermal sedimentary deposits, Ⅲ. Filtration deposits: (6) Metamorphogenic hydrothermal deposits,(7) Superimposed meta-morphogenic hydrothermal deposits, (8) Hot brine deposits, (9) Hot brine sedimentary deposits, Ⅳ.Weathering-Sedimentary deposits: (10)Terrigenous sedimentary deposits,. (11) Terrigenous (hot water) regenerated deposits, (12) Weathering-Leaching deposits, (13) Placers. For all these types of ore deposits their identification and geological features are discussed in present paper.

本文认为应以主要成矿时期成矿作用的特点作为矿床成因分类的基础。根据近二十年来成矿作用概念的发展,建议金属矿床作如下成因分类。岩浆(侵入)作用矿床类:(1)岩浆分凝矿床,(2)岩浆(侵入)热液矿床;火山作用矿床类;(3)矿浆喷溢矿床,(4)火山热液矿床,(5)火山热液沉积矿床;渗流作用矿床类;(6)变质热液矿床,(7)叠加变质热液矿床,(8)热卤水矿床,(9)热卤水沉积矿床;风化—沉积作用矿床类;(10)陆漂沉积成岩矿床,(11)陆源(热水)再造矿床,(12)风化淋滤矿床,(13)砂矿床。讨论了各种热液矿床的鉴别和特点问题。

Water in ore-bearing hydrothermal system derives from different origins-magmatic,descending meteoric,connate,marine,metamorphic and mantle-derived waters.The isotopic composition of hydrogen and oxygen differs in these waters. Magmatic water is the main mineralizing medium of magmatic hydro-thermal deposits. Meteoric water and connate water may form independent ore-bearing solution through circulation by heating, or may mix with ascending magmatic solution, or enter magmatic chamber in the depths...

Water in ore-bearing hydrothermal system derives from different origins-magmatic,descending meteoric,connate,marine,metamorphic and mantle-derived waters.The isotopic composition of hydrogen and oxygen differs in these waters. Magmatic water is the main mineralizing medium of magmatic hydro-thermal deposits. Meteoric water and connate water may form independent ore-bearing solution through circulation by heating, or may mix with ascending magmatic solution, or enter magmatic chamber in the depths to join the ore-bearing hydrothermal system. In submarine environment, the hydrothermal system of submarine cyclic water becomes the major medium of mineralization of submarine hydrothermal-sedimentary deposits. Metamorphic water constitutes most of ore-bearing metamorphic hydrothermal water, which tends to mineralize in metamorphic front region and before the front region. Along deep faults, mantle primary water may automatically rise into the upper crust to mineralize there, or rise with magmatic melt, or even enter metamorphic belts to become part of the ore-bearing hydrothermal system. In the crust, some deposits are formed by a single fluid,and others formed by a mixture of two fluids or more.

成矿热液系统中水是多来源的,有岩浆水、下降的天水、同生水、海水、变质水及地幔初生水等,这些水都各有不同的氢、氧同位素组成。岩浆水由岩浆结晶分出面形成岩浆热液及其有关矿床;下降天水和同生水受热循耳可形成独立的合矿热液,也可与上升岩浆热液混合或从深部进入岩浆房参加热液成矿系统;在海底成矿环境中海水循环热液系统是海相热液—沉积矿床的主要成矿介质;变质水则是含矿变质热液的主体并趋向于在变质前锋区及前锋区前成矿;地幔初生水可沿深大断裂自动上升到地壳浅部成矿,也可随岩浆熔体上升或进入变质带进而参加热液成矿系统。在地壳中,有单一热波形成的矿床,两种或多种流体混合形成的矿床也不乏其例。

Based upon the investigation on the geological features of the Dahe deposit and its host rocks, this paper discusses the environment and origin of the ore deposit. According to the features of the host rock series-alkalimity of the spilitekeratophyre suite, the character of the ore deposits, ore structure-texture and the sulfur and lead isotopic composition, the author suggests that the spilitekeratophyre suite was generated in the environment at the bock arc-basin type engeasyncline and that...

Based upon the investigation on the geological features of the Dahe deposit and its host rocks, this paper discusses the environment and origin of the ore deposit. According to the features of the host rock series-alkalimity of the spilitekeratophyre suite, the character of the ore deposits, ore structure-texture and the sulfur and lead isotopic composition, the author suggests that the spilitekeratophyre suite was generated in the environment at the bock arc-basin type engeasyncline and that the Dahe massive sulfide deposit belongs to the volcanic hydrothermal-sedimentary deposits on the ocean floor. The relation between the volcanic rocks beneath ore bodies and the deposit in ore-forming metal content and the pyrite and barite suffur isotopic composition reveal the source of the ore matter. Finally, compared with its counterparts at home and overseas the Dahe massive sulfide deposit is guite similar to the ones in Baiyinchang, China, and in South Ural.

本文在讨论大河矿床容矿岩石、矿床地质特征的基础上,探讨了矿床的形成环境和成因。根据容矿岩石一细碧角斑岩的碱度特征。矿床的地质特征、矿石结构和构造、硫和铅同位素组成等特征的讨论,作者认为细碧角斑岩系形成于弧后盆地优地槽环境,矿床成因与下古生代海底火山作用有关,为海底火山热液—沉积矿床。对矿体下伏火山岩中的成矿金属含量与矿床中的成矿金属含量的对比,以及对黄铁矿和重晶石的硫同位素组成两者关系的讨论,推测了成矿物质的来源。最后,与国内外同类矿床对比,大河矿床与我国白银厂、苏联南乌拉尔黄铁矿型铜矿床较为相似。

 
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