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altered rock
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  蚀变岩
     The indicators of closing to ore body in the hanging wall rock are the strengthening of phyllic alteration, the increasing of {100}+{210} crystal form of pyrite, the percentage of P type pyrite, the gold content in altered rock, and the contents of S,Cu,Pb,Zn,Au and Pt in pyrite, and the decreasing of the ratio of S 2- /Fe 2+ and w (Co+Ni)/ w (As+Sb).
     上盘围岩的近矿标志是绢英岩化增强,黄铁矿的{100}+{210}增多,S、Cu、Pb、Zn和Au、Pt增高,S/Fe离子比和w(Co+Ni)/w(As+Sb)降低,P型黄铁矿出现率增高,蚀变岩的金含量增高。
短句来源
     On the basis of the calculation of the gains and losses of major and minor elements in various altered diopsidites, SiO 2,Ca,Al 2O 3,Na 2O,CO,Cr and Pb are obviously depleted in various types of altered diopsidites, and are remarkably concentrated in mineralized altered rock and auriferous quartz veinlets;
     根据不同蚀变程度透辉岩化学成分与微量元素组分得失定量计算 ,Si O2 ,Ca O,Al2 O3,Na2 O和 CO,Cr,Pb等在各类蚀变透辉岩中明显亏损 ,在矿化蚀变岩和含金石英细脉中显著富集 ;
短句来源
     40 Ar / 39 Ar age of sericite altered rock from the Sawayaerdun shows that the main stage of gold mineralization occurred in the Triassic.
     对绢云母化蚀变岩进行了40Ar/39Ar法年龄测定,表明金主成矿时代为三叠纪。
短句来源
     Based on the testing results for the mechanical parameters of altered rock mass and on the comparison of the expansion stress of fracture fillings,the mechanical effects of the fillings on fracture seepage are discussed.
     基于裂隙充填物膨胀压力与蚀变岩体力学参数测试分析成果,针对膨胀性充填物对裂隙岩体渗流影响极少开展的问题,探讨了充填物的力学响应对裂隙渗流的影响。
短句来源
     IMAGE RECOGNITION AND MAPPING OF ALTERED ROCK IN METALLOGENIC PROSPECTIVE AREA BELT
     成矿远景区带蚀变岩的图像识别与制图
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  蚀变岩型
     Ore dressing practice of altered rock type of gold-bearing ores in Shang-Gong Gold Mine and its prospects
     河南上宫金矿蚀变岩型含金矿石的选矿实践与展望
短句来源
     Basic characteristics and prospecting indicators of altered rock type deposit of granite fracture belt in Guangdong Guangxi juncture and Eastern Shandong
     桂粤交接地区及胶东花岗岩破碎带蚀变岩型金矿基本特征及找矿标志
短句来源
     The distribution characteristics and evaluation of alkaline elements in altered rock type of gold deposit
     碱性元素在蚀变岩型金矿床中的分布特征及其评价意义
短句来源
     There are two types of ore: quartz vein type and structurally altered rock type. The quartz vein type is characterized by high grade(Au=3.5×10~(-6)~118×10~(-6)) and poor continuity. Large amount of natural gold can be identified with grain size less than 5 mm.
     矿石类型有石英脉型和构造蚀变岩型:石英脉型矿化连续性差,品位高、变化大(w(Au)3 5×10-6~118×10-6),可见大量自然金,其粒度一般小于5mm;
短句来源
     The gold deposit is controlled by NW strike fault, ore bodies all occurred in the near EW strike and NW strike fault and had same occurrence with fault, it is the classic tectonic belt altered rock type gold deposit.
     总体受NW向断裂控制,金矿体无一例外地赋存于近EW,NW向断裂中,且与断裂产状一致,是典型的构造带蚀变岩型金矿床。
短句来源
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  蚀变岩石
     In different alteration granodiorite porphyry, SiO2, K2O, Cu, Mo are depleted in the fresh and weakly altered rock, and are enriched in the strongly altered rock, Cl is also enriched in the strongly altered rock.
     在铜厂岩体不同的蚀变带中,SiO_2、K_2O、Cu、Mo等从新鲜斑岩甚至弱蚀变带中带出,而在强蚀变带强烈富集,Cl同样有在强蚀变岩石中富集的趋势;
短句来源
     The GIS evaluation model may be used to process altered rock information interpreted by ASTER, which may produce accurate remote sensing anomalies and guide mineral exploration.
     利用GIS评价模型处理ASTER遥感解译的蚀变岩石信息,可以得到精确的遥感异常,从而指导找矿勘查工作。
短句来源
     The analysis of the ore control structure character by stress theory show that the ore of porphyry gold deposit mainly occurred in the convergence of different strike fault, while that of fracture zone altered rock quartz vein type gold deposit are paralleled to the major fault and occurred as en echelon arrangement or close parallel echelon.
     利用应力理论对控矿构造性质进行了分析,发现斑岩型金矿矿体主要产于不同方向断裂的交汇区,而破碎带蚀变岩石英脉型金矿矿体则平行于主断裂呈雁行状排列或密集平行斜列。
短句来源
     The secondary fluid inclusions in quartz phanerocryst in altered rock samples from the inner rock body can approximately be divided into four generations.
     岩体内部蚀变岩石样品石英斑晶中的次生流体包裹体可大致划分为4个阶段。
短句来源
     REE Geochemistry features of granite, ore-bearing strata, altered rock and cassiterite of tin deposits was systematically studied for discussing the genesit of different types of tin deposit.
     研究锡矿床中花岗岩、赋矿地层、蚀变岩石和锡石的稀土地球化学特征,来探讨各类锡矿床成因.
短句来源
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  “altered rock”译为未确定词的双语例句
     Type B is altered rock of gabbro,with ΣREE=29.06×10 -6 ,ΣCe/ΣY=2.4,δEu=0.93,very low contents of trace elements.
     B类钠长石岩的原岩为辉长岩,它们的ΣREE=29.06,ΣCe/ΣY=2.04,δEu=0.93,配分曲线为平坦型,大多数微量元素均为负异常。
短句来源
     The analytical results suggest that the pegmatite dike was formed at (1836±6)× 10\+6 a, the Dahuabei granite at (353±7)±10\+6 a and the altered rock at (132±2)×10\+6 a.
     大桦背岩体形成于 (353± 7)× 10 6a,应为海西旋回早期产物 ;
短句来源
     On Superhigh ̄18O Hydrothermal Altered Rock and Mineral Deposti
     论特高~(18)O热液蚀变岩石与矿床
短句来源
     As the altered rock was mineralized,the gold mineralization in the area must have taken place at or after (132±2)×10\+6 a(Late Yanshanian).
     金矿化年龄小于或等于 (132± 2 )× 10 6a,应为燕山晚期。
短句来源
     In Baiyangping copper—cobalt deposits, the lithium concentration in altered rock is 14.55 times by the lithium abundance (20×10 -6 )of Upper Crust.
     对兰坪盆地白秧坪铜钴矿床围岩及流体包裹体的研究揭示,蚀变围岩中存在锂元素的高浓集异常,相对于上地壳值(20×10-6)平均富集系数为14.55;
短句来源
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  altered rock
Slip zone rock grades into fractured, but less comminuted and hydrothermally altered rock in the transition zone, which in turn grades abruptly into the wall rock.
      
These changes arerecorded in the magnetic properties ofthe altered rock units and reflected in theiraeromagnetic signatures.
      
The fracture systems and altered rock masses occur non-uniformly, as an orthogonal set with N-S and E-W trends.
      
Jigsaw-fit fractured volcanic bombs suggest that an explosive eruption through hydrothermally altered rock and pyroclastic deposits probably triggered the mass flow.
      
The relatively high ductility of the sericitically altered rock may have been an important factor in the subsequent localization of the shear zone.
      
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Carbonate rock in China has a long history of formation and a wide distribution. Up till now, a number of economic uranium deposits have been found in it. It is an important field for uranium exploration and is drawing more and more attention of uranium geologists.The tectono-geochemical manifestation of uranium mineralization is divided into two sections, i. e. deposit tectono-geochemistry and regional tectono-geoehemistry. Mineralization manifes tationof deposit tectonogeochemi-stry is mainly embodied in geochemistry...

Carbonate rock in China has a long history of formation and a wide distribution. Up till now, a number of economic uranium deposits have been found in it. It is an important field for uranium exploration and is drawing more and more attention of uranium geologists.The tectono-geochemical manifestation of uranium mineralization is divided into two sections, i. e. deposit tectono-geochemistry and regional tectono-geoehemistry. Mineralization manifes tationof deposit tectonogeochemi-stry is mainly embodied in geochemistry of fault structure and can be subdivided into five sections: (1)altered rock zoning in fault structure; (2) effect of change in fault strike on uranium enrichment and dispersion; (3) oxidation zoning in fault structure; (4) rock composition in fault structure; and (5) ore isotopic component in fault structure zone.The regional tectono-geochemical manifestation of uranium mineralization can be subdivided into four sections. (1) carbonate formation and uranium abunium in different structural layers; (2) migration and enrichment of abundance at different tectonic stages; (3) activation and enrichment of abunium during diwa tectonic stage; and (4) element combination in ore and polygenesis of deposits in different structural layers.

在我国,碳酸盐岩形成的延续时间长(Z-T),分布范围广,在碳酸盐岩中已发现一批工业铀矿床。因而,碳酸盐岩区是寻找铀矿的重要领域,日益引起铀矿地质人员的重视。 碳酸盐岩中铀成矿的构造地球化学显示,分为矿床构造地球化学和区域构造地球化学两个方面。铀矿床构造地球化学的成矿显示,主要表现在断裂构造地球化学上,分为五个侧面:1)断裂构造蚀变岩分带;2)断裂产状变化对铀;元素集散的影响;3)断裂构造氧化带分带;4)断裂构造岩的物质成分;5)断裂构造带内矿石同位素组成的成矿显示等。 铀成矿区域构造地球化学显示,分为四点:1)不同构造层内的碳酸盐岩建造及其铀丰度值;2)铀在不同大地构造阶段内的迁移和富集;3)地洼阶段铀的活化富集;4)不同构造层内铀矿石中元素的共生组合及矿床多困复成的成矿显示等。

There are many hypotheses and theories about the source of solution forming the mineral deposits related to granite: During the last ten years, the anther have studied more than twenty deposits located in Shandong province, South and South-west China, and have found that metallic veins occurring on the inner side of the granitic contact always diminish and disappear downwards in their parental granite bodies, and that there is commonly wide areal alteration accompanying mineralization. Thus the question naturally...

There are many hypotheses and theories about the source of solution forming the mineral deposits related to granite: During the last ten years, the anther have studied more than twenty deposits located in Shandong province, South and South-west China, and have found that metallic veins occurring on the inner side of the granitic contact always diminish and disappear downwards in their parental granite bodies, and that there is commonly wide areal alteration accompanying mineralization. Thus the question naturally arises as to whether there exists any "thermal fluid chamber" in the depth of the ore-bearing granite, from which the ore-forming solution concerned is supposed to have derived. Laboratory work shows that there are both melting and gasliquid inclusions in the quartz in granite, and that among the mother granite, altered rock and ore-bearing quartz vein there are many similarities in the characters of gasliqid inclusions in quartz, such as homogenization temperature, composition of ore-forming fluids and isotopic abundaoce ratio, etc. Hence the writer is of the opinion that the fluids that giving rise to the mineral deposits come mainly from intergranular solution of the granite.

本文通过对20多个矿床的野外地质特征及室内矿物中的包裹体、高温-高压成岩、成矿实验和元素地球化学研究,论述了花岗岩浆性质属熔体-溶液,并分析了岩浆冷凝过程中的局部岩浆分异作用形成粒间溶液的机制,进一步提出与花岗岩有关的矿床成矿溶液主要来源于粒间溶液。这一论点不但可以解释与花岗岩有关的成矿溶液来源问题,而且可以合理解释花岗岩体内自变质蚀变交代作用及其与成矿的关系,此外对研究矿床成因均有重要意义。

The gold mineralizations of China have a wide distribution over the country and a variety of types. A majority of them are of medium to small size. Metallogenetic features of several main types gold deposits and their economical significance in industrial utilizations are summarized in this paper. Their types are: quartz vein type, fractured-altered rock type. porphyry type, volcanic rock type, carbonate type, placer and accompanying gold. From a view point of industrial utilization, of the annual...

The gold mineralizations of China have a wide distribution over the country and a variety of types. A majority of them are of medium to small size. Metallogenetic features of several main types gold deposits and their economical significance in industrial utilizations are summarized in this paper. Their types are: quartz vein type, fractured-altered rock type. porphyry type, volcanic rock type, carbonate type, placer and accompanying gold. From a view point of industrial utilization, of the annual output of gold for the whole country, 75% are came from gold -bearing rocks, 10% from placer and 15% from accompanying gold in other deposits. With regard to the prospect and guideline for gold exploration in future, the author hold that it is necessary to proceeding from actual conditions lay particular emphasis on the exploration of the most prospective gold deposits, the fractured altered rock type and quartz vein type (composite vein). Furthermore. measures should be adopted to work out a long term plan and to strengthen investigation in order to make a break through in search for world-large gold deposits in our country.

我国金矿资源的特点是:分布广、类型杂、中小型矿床居多数。文中概述和列举了我国金矿几个主要类型的成矿特征及其在工业利用上的经济意义。这些类型是:石英脉型、破碎蚀变岩型、斑岩型、火山岩型、碳酸盐型、砂金型和伴生金。从工业利用上看,全国黄金年产量的75%采自岩金,砂金占10%,伴生金占15%。就我国今后找金矿的前景和地质工作部署问题,作者提出:要从现实出发,续继侧重扩大最有潜在远景的破碎蚀变岩型和石英大脉(复脉、脉带群)型金矿床。从长远考虑,要进一步采取措施,加强科研工作,制定规划,有目标地探索世界型的金矿床在我国突破的可行性和现实性。

 
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