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石英-碳酸盐脉
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  “石英-碳酸盐脉”译为未确定词的双语例句
     Fluid inclusion study on the altered wall rocks and gold ores indicates that quartz in K spar quartz rocks (KFQ) and PSQ (stages I and II) contains abundant CO 2-H 2O inclusions, whereas in gold sulphide ores and quartz carbonate veins (stages III and IV) CO 2-H 2O inclusion abundance decreases gradually.
     对蚀变围岩和金矿石中流体包裹体的研究表明钾长石化岩 (钾长石 -石英脉 )和绢英岩 (第 I和第 II阶段 )的石英中含有丰富的 CO2 -H2 O包裹体 ,而金 -硫化物矿石和石英 -碳酸盐脉 (第 III和第 IV阶段 )中 CO2 - H2 O包裹体数量逐渐减少。
短句来源
     BRANNERITE IN QUARTZ-CARBONATE VEINS,ZHONGTIAOSHAN,SHANXI PROVINCE
     山西中条山石英-碳酸盐脉中的钛铀矿
短句来源
     Four mineralization stage was recognized, they are: pyrite-quartz-dolomite stage (Ⅰ); gold-pyrite-quartz-carbonate stage (Ⅱ); chalcopyrite-pyrite-quartz stage (Ⅲ);
     成矿期分为4个阶段:黄铁矿石英白云岩阶段(Ⅰ)、金-黄铁矿-石英-碳酸盐脉阶段(Ⅱ)、黄铜矿-黄铁矿-石英阶段(Ⅲ)、石英.
短句来源
  相似匹配句对
     BRANNERITE IN QUARTZ-CARBONATE VEINS,ZHONGTIAOSHAN,SHANXI PROVINCE
     山西中条山石英-碳酸盐中的钛铀矿
短句来源
     Vein
    
短句来源
     (2) ferriferous dolomite quartz veins;
     ②含铁白云石石英
短句来源
     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
     (3)quartz veins along NE trending joints.
     ③NE向节理石英
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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。

Four metallogenetic epochs occurred in different tectonic environments during the evolution of the Northern Qilian metallogenetic province through geological time . The Middle Proterozoic epoch witnessed the tectonic environment of breakup of the crust caused by mantle dispirism, in which ultramafic-mafic rocks were intruded along a deep fault belt and the Jinchuan superlarge magmatic Cu-Ni sulphide deposit was formed. In the Middle-Late Proterozoic epoch the crust was further broken to form an intracontinental...

Four metallogenetic epochs occurred in different tectonic environments during the evolution of the Northern Qilian metallogenetic province through geological time . The Middle Proterozoic epoch witnessed the tectonic environment of breakup of the crust caused by mantle dispirism, in which ultramafic-mafic rocks were intruded along a deep fault belt and the Jinchuan superlarge magmatic Cu-Ni sulphide deposit was formed. In the Middle-Late Proterozoic epoch the crust was further broken to form an intracontinental rift in which the volcanogenic massive Cu-Fe sulphide deposits hosted by basaltic tuff were formed in the lower volcano-sedimentary sequence, while the sedex type large Jingtieshan Fe-Cu deposits were formed within the upper abyssal carbon-rich argillaceous sedimentary sequence. The Early Palaeozoic epoch saw the formation of the aulacogen, within which the Baiyinchang-type superlarge massive base and precious metal sulphide deposits hosted by quartz keretophyric tuff were formed in the Middle-Late Cambrian rifted island arc, the massive Cu-Zn sulphide deposits and magmatic chromite deposits associated with the Early-Middle Ordovician ophiolite suite were formed in the ancient oceanic ridge, and the Honggou-type massive Cu-Fe sulphide deposits hosted by spilite were formed in the Late Ordovician back-arc basin environment. In the Late Paleozoic-Mesozoic epoch the metallogenetic province went into an intracontinental orogenic stage characteristic of the compressive tectonic environment , in which quartz-carbonate vein-type and tectonic-altered type gold deposits associated with ductile-shear structures were widely present within the metallogenetic province.

北祁连金属成矿省在地质历史演化过程的不同构造环境内形成了四个主要金属成矿幕。中元古代成矿幕为地幔底劈、陆壳裂解构造环境,沿深大断裂形成镁铁-超镁铁侵入岩带和金川超大型铜-镍硫化物矿床;中-晚元古代成矿幕为陆内裂谷构造环境,在火山-沉积地层下部基性火山凝灰岩内形成陈家庙式块状硫化物铜-铁矿床,上部深海沉积富碳泥质岩层形成镜铁山式大型沉积热液喷流型铁-铜矿床;早古生代成矿幕为裂陷海槽成矿环境,中-晚寒武世裂谷岛弧环境形成白银厂式锌-铅-铜型块状硫化物矿床,早-中奥陶世与蛇绿岩套件生形成铜-锌型块状硫化物矿床和岩浆岩型铬铁矿床,晚奥陶世弧后盆地环境形成红沟式铜-铁型块状硫化物矿床;晚古生代-中、新生代成矿幕为陆内造山挤压性构造环境,形成与韧性剪切构造有关的石英碳酸盐脉型和构造蚀变岩型金矿床。

The Dayingezhuang gold deposit lies in the footwall altered granitic cataclasites, i.e. sericite quartz rocks of the Zhaoyuan Pingdu fault in the northwest of the Jiaobei terrain, eastern Shandong, China. Gold occurs mainly in pyrite sericite quartz rocks (PSQ) and pyrite±polymetallic sulphides+quartz ±carbonate veins and stockworks, forming veinlet disseminated ores. Fluid inclusion study on the altered wall rocks and gold ores indicates that quartz in K spar quartz rocks (KFQ) and PSQ (stages I...

The Dayingezhuang gold deposit lies in the footwall altered granitic cataclasites, i.e. sericite quartz rocks of the Zhaoyuan Pingdu fault in the northwest of the Jiaobei terrain, eastern Shandong, China. Gold occurs mainly in pyrite sericite quartz rocks (PSQ) and pyrite±polymetallic sulphides+quartz ±carbonate veins and stockworks, forming veinlet disseminated ores. Fluid inclusion study on the altered wall rocks and gold ores indicates that quartz in K spar quartz rocks (KFQ) and PSQ (stages I and II) contains abundant CO 2-H 2O inclusions, whereas in gold sulphide ores and quartz carbonate veins (stages III and IV) CO 2-H 2O inclusion abundance decreases gradually. Microthermometry shows that homogenization temperatures of the primary CO 2-H 2O inclusions in KFQ and PSQ fall in the range of 280~360℃; those for Au chalcopyrite and Au galena sphalerite ores fall mainly in the range of 275~240℃ and of 250~180℃, respectively. Also microthermometry and Raman microprobe analysis suggest that hydrothermal fluids contain 10~25mol% CO 2 for stages I and II, and < 5~10 mol% CO 2 for stages III and IV in general, with minor CH 4, H 2S and SO 2 as well. Extensive pyrite and carbonate alterations and the lack of saline aqueous inclusions imply that gold was transported most likely as sulphide complex and, to a less extent, as carbonate complex. Gold precipitation was caused by cooling and unmixing of the parent CO 2-H 2O fluids in response to the (repeated) opening of fractures and consequent pressure drop.

大尹格庄金矿位于中国胶北地体西北部招平断裂带下盘的蚀变花岗质碎裂岩 (绢英岩 )带中 ,断裂上盘为胶东群变质岩系。金主要产于黄铁绢英岩和黄铁矿±多金属硫化物 +石英±碳酸盐脉 -细网脉中 ,构成细脉 -浸染状矿石。对蚀变围岩和金矿石中流体包裹体的研究表明钾长石化岩 (钾长石 -石英脉 )和绢英岩 (第 I和第 II阶段 )的石英中含有丰富的 CO2 -H2 O包裹体 ,而金 -硫化物矿石和石英 -碳酸盐脉 (第 III和第 IV阶段 )中 CO2 - H2 O包裹体数量逐渐减少。显微测温指示 ,钾长石化岩和绢英岩石英中的 CO2 - H2 O包裹体的均一温度范围为 2 80~ 36 0℃ ;而金 -黄铜矿和金 -方铅矿 -闪锌矿矿石中包裹体的均一温度分别为 2 40~ 2 75℃和 180~ 2 5 0℃。显微测温和激光拉曼探针分析表明 ,第 I和第 II阶段的成矿流体含 10~ 2 5mol% CO2 ;而第 III和第 IV阶段的含 <5~ 10 mol% CO2 ,并含少量至可观数量 CH4,H2 S和 SO2 等。广泛...

大尹格庄金矿位于中国胶北地体西北部招平断裂带下盘的蚀变花岗质碎裂岩 (绢英岩 )带中 ,断裂上盘为胶东群变质岩系。金主要产于黄铁绢英岩和黄铁矿±多金属硫化物 +石英±碳酸盐脉 -细网脉中 ,构成细脉 -浸染状矿石。对蚀变围岩和金矿石中流体包裹体的研究表明钾长石化岩 (钾长石 -石英脉 )和绢英岩 (第 I和第 II阶段 )的石英中含有丰富的 CO2 -H2 O包裹体 ,而金 -硫化物矿石和石英 -碳酸盐脉 (第 III和第 IV阶段 )中 CO2 - H2 O包裹体数量逐渐减少。显微测温指示 ,钾长石化岩和绢英岩石英中的 CO2 - H2 O包裹体的均一温度范围为 2 80~ 36 0℃ ;而金 -黄铜矿和金 -方铅矿 -闪锌矿矿石中包裹体的均一温度分别为 2 40~ 2 75℃和 180~ 2 5 0℃。显微测温和激光拉曼探针分析表明 ,第 I和第 II阶段的成矿流体含 10~ 2 5mol% CO2 ;而第 III和第 IV阶段的含 <5~ 10 mol% CO2 ,并含少量至可观数量 CH4,H2 S和 SO2 等。广泛的黄铁矿化、碳酸盐化蚀变以及缺乏较高盐度的水包裹体说明金很可能是以硫络合物和碳络合物形式被搬运。金的沉淀与温度下降、由裂隙的(重复 )开放引起明显的压力降低和原始流体的不混溶作用有关 ,具多阶段成矿特点

 
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