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石英碳酸盐
相关语句
  quartz-carbonate
     The formation process of the deposit can be divided into three stages including quartz-pyrite,quartz-sphalerite/galena(multi-sulfide),and quartz-carbonate(little sulfide)stages.
     成矿作用可分为三个阶段:石英—黄铁矿阶段、石英—闪锌矿、方铅矿(多硫化物)阶段、少硫化物的石英—碳酸盐阶段。
短句来源
     The early period of Au-minera-lization occurred within the I-grade thrust-nappe fault zone, which formed tim quartz-carbonate mylonite typed gold deposit.
     逆冲推覆早期矿化主要发生在Ⅰ级推覆断层带中,形成石英—碳酸盐糜棱岩型金矿床。
短句来源
     From the quartz-sulfide stage to quartz-carbonate stage,the meteoric water is advance gradually in the fluid after late stage skarn formed.
     矽卡岩形成之后的石英—硫化物阶段、石英—碳酸盐阶段 ,从早到晚流体中的大气降水逐渐增多。
短句来源
  “石英—碳酸盐”译为未确定词的双语例句
     The ore deposit underwent mainly three stages: pyrite-quartz-gold stage, metal-sulfide-gold stage and quartz-carbonate-gold.
     金矿成矿主要经历黄铁矿—石英—金、石英—金属硫化物—金、石英—碳酸盐—金三个阶段。 成矿物质主要来源于中泥盆统北塔山组含金建造。
短句来源
     Quartz carbonate gold deposits are a major source of gold. They occupy a dominant position in greenstone belt gold deposits.
     石英—碳酸盐型金矿床是金的主要来源之一,在绿岩带金矿中占有重要地位。
短句来源
  相似匹配句对
     The nonmetallic minerals are quartz and carbonate mineral.
     非金属矿物为石英碳酸盐矿物。
短句来源
     the veinstone minerals are quant, feldspar and carbonate.
     脉石矿物以石英、长石、铁碳酸盐为主。
短句来源
     Quartz Family Minerals(A Handbook for the Mineral Collector)
     石英类矿物
短句来源
     Quartz structure mineralogy
     石英构造矿物学
短句来源
     carbonate platform deposition;
     碳酸盐台沉积;
短句来源
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  quartz-carbonate
Three mineralogical types of ores have been identified: sulfide-hedenbergite, quartz-carbonate-sulfide, and sulfide.
      
The first stage, when strike-slip movements along previously formed faults predominated, resulted in formation of quartz-carbonate veins bearing base-metal mineralization.
      
In addition, late quartz-carbonate mineralization, with U and Se minerals and remobilized gold, is also present.
      
There is a narrower range of δ34S from -18.8 to -4.6 and δ13C from -6.3 to -2.5% in quartz-carbonate veins with Cu mineralization suggesting a deep source of ore-bearing solutions.
      
Three distinct and successive stages of hydrothermal activity and late quartz-carbonate veining resulted in multiple veining and/or brecciation: Stages I and II are Au-bearing, whereas Stage III and late veins are barren.
      
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Brannerite-bearing quartz-carbonate veins were found in a biotite diorite-porphyritic stock, which intruded into the marble of Proterozoic Zhongtiao Gr-oup. The brannerite occurs as accicular, lath-like crystals or irregular in form.Associated minerals include ankerite,calcite,quartz, specularite and biotite. Br-annerite is black,with pitchy luster and yellowish-brown streaks and concoidalfractures. Specific gravity is 4.73. Microhardness 482-553kg/mm~2 (5. 5-5. 7Moh's).Blectromagnetic. Under reflected light...

Brannerite-bearing quartz-carbonate veins were found in a biotite diorite-porphyritic stock, which intruded into the marble of Proterozoic Zhongtiao Gr-oup. The brannerite occurs as accicular, lath-like crystals or irregular in form.Associated minerals include ankerite,calcite,quartz, specularite and biotite. Br-annerite is black,with pitchy luster and yellowish-brown streaks and concoidalfractures. Specific gravity is 4.73. Microhardness 482-553kg/mm~2 (5. 5-5. 7Moh's).Blectromagnetic. Under reflected light it is grayish-white, isotropic, R=16.67(λ=486nm), 16. 00(551nm), 15.77(589nm), 15.38(656nm). Crystallo-chemicalformula is calculated to be (U_(0.05)~(4+)U_(0.47)~(6+)Ca_(0.02)Th_(0.02)RE_(0.15)Pb_(0.03))_(0.94)(Ti_(1.66)Fe_(0.17)~(3+)Mn_(0.01)Si_(0.16)Al_(0.02))_(2.02)O_6. The mineral is metamict. Comparison with branneritesfrom other occurrences obviously shows that its physical and optical properti-es varies with the extent of hydration.

含钛铀矿的石英-碳酸盐脉产于侵入到元古界中条群大理岩中的黑云母闪长玢岩岩株中。钛铀矿呈柱状、板状或不规则状。其共生矿物有铁白云石、方解石、石英、镜铁矿及黑云母等。钛铀矿呈黑色,具沥青光泽。条痕浅黄褐色。断口呈贝壳状。比重4.73。维氏压入硬度为482-553kg/mm~2(相当于摩氏硬度5.5-5.7)。具电磁性。在反射光下呈灰白色,均质,反射率为16.67(波长486nm),16.00(551nm),15.77(589nm),15.38(656nm)。根据所测化学成分计算其晶体化学式为:(U_(0.05)~(4+)U_(0.47)~6Ca_(0.22)Th_(0.22)RE_(0.15)Pb_(0.0.3))_(0.94)(Ti_(1.66)Fe_(0.17)~(3+)Mn_(0.01)Si_(0.16)Al_(0.02))_(2.02)O_6。矿物呈变生态,且常发生水化。与别的钛铀矿对比后可见,钛铀矿的物理性质和光学性质均随其水化程度的不同而变化。

This paper embodies the results of detailed study of the poly-phases metamorphism of the ophiolite, the process of the spilitization and the characteristics of the low-temperature and high pressure metamorphism of the basalt in the area around Wenduermiao, Inner Monggolia. On the basis of large quantity of data, by way of strickly demonstration, the author proves that the ophiolite here underwent at least two phases of metamorphism characterized by spilitization under a water-rich condition and the formation...

This paper embodies the results of detailed study of the poly-phases metamorphism of the ophiolite, the process of the spilitization and the characteristics of the low-temperature and high pressure metamorphism of the basalt in the area around Wenduermiao, Inner Monggolia. On the basis of large quantity of data, by way of strickly demonstration, the author proves that the ophiolite here underwent at least two phases of metamorphism characterized by spilitization under a water-rich condition and the formation of quartz-carbonate rock in a carbon dioxide-rich environment. Metasomatism played a role in the early low temperature alteration of the basic rocks which carried on under sea bottom pressure and temperature ranging from 150-500℃. The forming temperature of the low temperature-high pressure metamorphic zone ranges from about 200°-400℃ in temperature and the pressure 5kd-skb. The ophiolite in this area formed in the Course of ancient Monggolia Plate was subducting beneath the northern China Platform.

本文对内蒙温都尔庙地区蛇绿岩多次变质作用进行了研究,并探讨了玄武岩的细碧岩化过程和低温高压变质作用的特点。作者以大量的资料为基础,通过严密的论证,认为:温都尔庙地区蛇绿岩经历了至少两次交质作用,其特征是在富水条件下的蛇纹石化作用和在富二氧化碳条件下形成了石英——碳酸盐岩;基性岩石早期低温蚀变作用过程中具有交代作用特征,该蚀变作用过程大致是在海底压力条件下,温度从150~500℃的区间进行的;本区低温高压变质带的形成条件大致为温度200~400℃,压力5千巴~8千巴;本区的蛇绿岩是在古蒙古板块向华北地合之下俯冲过程中形成的。

The hydrothermal minerailzaiton in Shijingchong silver deposit may be divided into three stages:Ⅰ.the stage of quartz and carbonate alteration formed before the sulfide mineralization; Ⅱ.the stage of quartz,arsenopyrite and pyrite mineralization;and Ⅲ.the stage of Ag-Pb-Zn polymetal sulphide mineralization.The silver deposited during the third stage predominantly in the form of silver minerals closely associated with lead-zinc sulphides.There are four silver minerals: frcibergite, accathite, pyrargyrite and...

The hydrothermal minerailzaiton in Shijingchong silver deposit may be divided into three stages:Ⅰ.the stage of quartz and carbonate alteration formed before the sulfide mineralization; Ⅱ.the stage of quartz,arsenopyrite and pyrite mineralization;and Ⅲ.the stage of Ag-Pb-Zn polymetal sulphide mineralization.The silver deposited during the third stage predominantly in the form of silver minerals closely associated with lead-zinc sulphides.There are four silver minerals: frcibergite, accathite, pyrargyrite and native silver.It is estimated that 81.3 per cent of the silver reserve exists in freibergite in the deposit. The rest of the silver reserve distributes in lead-zinc sulphices, especially galena, through substi-tution.

石景冲银矿床的热液成矿作用可分为三个阶段:①硫化物成矿前的石英—碳酸盐阶段;②石英、毒砂、黄铁矿阶段;③银铅锌多金属硫化物阶段。银主要以银矿物的形式产于第三阶段,与铅锌流化物密切共生,研究确定了四种银矿物:银黝铜矿、螺状硫银矿、深红银矿和自然银。据估算,银黝铜矿中的银占整个银矿床含银量的81.3%,其余以类质同像替代的形式存在于方铅矿为主的硫化物中。

 
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