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hydrothermal action
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  “hydrothermal action”译为未确定词的双语例句
     Based on the geological field and micrdscope observation of wallrock alteration of u- ranium deposit 622 and field and microscope geochemcal trace of major element and rare earth el-ement , two main periods of hydrothermal actions closely related to mineralization have been classi- fied here,The first is alkalic metasomatism and hematite type of uranium mineraliZation withmiddle enrichment of H R E E caused by alkalic hydrothermal action from the deeper magmatismand late mineralizatian.
     本文从622铀矿床围岩蚀变的野外和镜下地质观察入手,结合常量元素、稀土元素地球化学综合示踪,揭示了与铀矿化密切相关的热液活动主要有两期:首先,岩浆起源的较深富钾、钠碱性热液活动及其稍晚的成矿作用形成的中等富集重稀土的碱交代-赤铁矿型铀矿化;
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     In the late stage,the hydrothermal action activated and transferred gold element to a favorable tectonic position to be minerilized.
     后期热液活动使金元素活化迁移到有利构造部位成矿。
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     Based on studying volcanic components of polymetallic nodules and the seawater-basalt reaction expriment of east Pa- cific Ocean basin, by synthetic analysis of hydrotherinal action and volcanic action, it is believed that nodules mineralogenetic component is very closely associated with the vol- canicity, and it is originated from submarine volcanic, hydrothermal action and halmyroly- sis of volcanic materials of basalt, etc.
     本文在东太平洋海盆多金属结核中火山物质研究及海水玄武岩反应实验研究基础上,通过对海底热液活动等资料的综合分析,认为结核成矿物质与火山活动有密切关系,其主要来源于火山活动、岩浆热液活动以及玄武岩类火山物质的海解作用等。
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     The NW Yunnan area is one of the famous tectonic-metallogenic regions in southwestern China,and a series of engineering problems always occur because of the existence of altered rocks formed by hydrothermal action.
     滇西北地区是中国西南地区最重要的构造成矿带之一,与其相伴出现的蚀变岩常引起一系列工程问题。
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  相似匹配句对
     On the criminal action
     刑事行为纵横论
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     On Interest of Action
     论诉的利益
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     Hydrothermal Eruption
     水热爆炸
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     Investigation into action mechanism of hydrothermal synthesizing calcium silicate admixture
     水热合成硅酸钙外加剂作用机理探讨
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     ON HYDROTHERMAL ROCK
     关于热液岩
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  hydrothermal action
The wire preparation method is based on a hydrothermal action and decomposition of 2-chloro-1,1,2-trifluoroethyl methyl ether at elevated temperature.
      
No less favorable are regions corresponding to the propagation of early volcanogenic accumulations of the same composition which have experienced metamorphism of the greenschist facies and then been subjected to hydrothermal action.
      
It is possible to form industrial multiple-elementore-deposits, especially hydrothermal type platinum-group-element-ore-deposits in the region with strong hydrothermal action.
      


In this article the writer puts forward the concept, the characteristics and the formational mechanism of the dynamo-hydrothermal metallogene-sis. He also classifies the hydrothermal deposits. The dynamo-hydrothermal action is an extremely common metallogenesis.As compared with other hydro- thermal deposits, the ore deposits formed by the dynamohydrothermal activity are of extremely different characteristics,which are remarkably shown in the following aspects:

本文提出动力热液成矿作用的概念、特点、形成机制和热液矿床的新分类。动力热液作用极为常见,它所形成的矿床具有与其他热液矿床极不相同的特点,突出地表现在:成矿物质均系来自围岩,就地成矿;矿脉形态复杂多样、大小不等,且不生根,其分布仅局限于构造破碎带(形变带)之中,同期的矿脉和脉石脉在断裂带的不同构造岩分带中,其形成温度常不相同;不显围岩蚀变。笔者认为,层控矿床主要是通过各种成因的热液对矿源层或贫矿层的改造而成,对矿源层的改造动力热液是起着主要的作用。

On the basis of geochemistrical research on mercury and gold in the sedimentary process,the writers think that mercury and gold elements in strata of Zhao Jiaping ore zone have undergone a sedimentary process.Because of the control over the mercury and gold contents in strata by the basaltic exhalation existed widely in southwestern Guizhou directly and indirectly in time and space,the original enrichment of mercury and gold elements in strata of this ore zone—source bed— was formed.The ore-forming process resulted...

On the basis of geochemistrical research on mercury and gold in the sedimentary process,the writers think that mercury and gold elements in strata of Zhao Jiaping ore zone have undergone a sedimentary process.Because of the control over the mercury and gold contents in strata by the basaltic exhalation existed widely in southwestern Guizhou directly and indirectly in time and space,the original enrichment of mercury and gold elements in strata of this ore zone—source bed— was formed.The ore-forming process resulted from the reform of source- bed by tectonics and hydrothermal action.

通过对地层中汞、金的某些沉积作用和地球化学特征的研究,认为赵家坪矿带内各地层中的汞、金曾参加了同生沉积作用。由于黔西南普遍存在着玄武岩喷发对地层中汞金含量在时间上和空间上的直接和间接控制作用,使地层中的汞、金含量达到了初始富集,即形成了矿源层。再经构造热液改造矿源层而成矿。

Shewushan gold deposit was formed by the geological processes of tectonic action-hy-drothermal alteration-weathering. This paper has discussed main kinds of alteration, features of alteration minerals, parage-netic association and their general distributions at the four stages, which are early, middle and late stage and acid filter-oxidation stage in the order of hydrothermal action, and has dis-cussed genetic mechanism of main altered minerals. The early stage is characterized by low temperature silicification...

Shewushan gold deposit was formed by the geological processes of tectonic action-hy-drothermal alteration-weathering. This paper has discussed main kinds of alteration, features of alteration minerals, parage-netic association and their general distributions at the four stages, which are early, middle and late stage and acid filter-oxidation stage in the order of hydrothermal action, and has dis-cussed genetic mechanism of main altered minerals. The early stage is characterized by low temperature silicification and forming coarse cubic pyrite. The middle stage is main metallo-genic stage and during this stage fine polymorph pyrite, realgar and carbonization were formed. In the late stage, allotrimorphic-granular or colloform-granular pyrite, kaolinite, orpiment, calcite and petroleum were formed, Acid filter-oxidation stage happened in the pe-riod from last middle stage to late stage, and during this stage barite, marcasite and a few kaolinite were formed. Hypergenic weathering is strongly pedogenesis. Finally, this paper has respectively discussed the actions of pyrite, quartz, realgar, orpiment, barite, petroleum and carbonization and weathering during the remobilization and precipitation of gold element. It has been point out that the paragenetic association of fine grained pyritohedron pyrite is in-dex mineral for prospecting ore bodies of gold. Coarse cubic pyrite does not contain gold or contain few gold. Silicification and carbonization are in close relationship with gold precipita-tion. Weathering makes gold remobilization again and homogenization.

本文按热液活动的组合顺序,阐述了早、中、晚及酸滤——氧化四个阶段的主要蚀变种类,蚀变矿物特征,共生组合及其分布,并分别讨论黄铁矿、石英、雄黄、雌黄、石油和碳化、重晶石等蚀变矿物以及风化作用在金的活化运移及沉淀中的作用。指出细粒五角十二面体、八面体、立方体或凸多面体黄铁矿的共生是金矿体的指示矿物,粗粒立方体黄铁矿不含金或含金少。硅化、碳化与金的沉淀关系密切。风化作用使金重新活化且均匀化。

 
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