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铅锌矿田
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  pb-zn ore field
     Geological-Geochemical Characteristics and Genesis of the Huangshi Pb-Zn Ore Field
     黄石铅锌矿田地质地球化学特征及其成因
短句来源
     Viewing from organic geochemistry, the correlation between ore-forming elements and organic matter, organic molecules, the analysis of neutron activation for asphalt, ore, wall rock and the experiment simulation, this paper probes into the role of organic matter in the forming process of Xicheng Pb-Zn ore field.
     从有机地球化学特征、有机质和有机分子与金属元素的关系、矿石、围岩及与矿石共生的炭沥青的元素分析及有机流体萃取金属元素的模拟实验方面出发 ,探讨了有机质在西成铅锌矿田形成过程中的作用 .
短句来源
     The hydrothermal solution filling and replacement deposits are two important types in the volcanics-covered area, Fuzichong Pb-Zn ore field, Guangxi.
     佛子冲铅锌矿田火山岩覆盖区矿床主要有热液交代和热液充填2 种类型。
短句来源
     Features of Algal Mound Microfacies and Its Constrain on Pb-Zn Ore Field in Chounao, Songtao, Guizhou
     松桃嗅脑铅锌矿田藻丘微相特征及控矿规律探讨
短句来源
     There are two different kinds of ore in Fozichong Pb-Zn ore field, Leucocratic sphalerite is the guide mineral in the first ore type which has syngenetic structure and represents the first generation of mineralization.
     广西佛子冲铅锌矿田有两种不同的矿化类型 ,一种以浅色闪锌矿为标志 ,矿体呈层状、似层状产出 ,产状与地层一致 ,矿石具典型的同生构造 ,代表了成矿第一世代 ;
短句来源
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  lead zinc
     A GROUNDWATER METALLOGENIC MODEL FOR THE SIDING LEAD ZINC OREFIELD
     泗顶铅锌矿田地下水成矿模式
短句来源
     Researches on mineral inclusions in the Zhen'an-Xunyang lead zinc ore field have indicated that the lead zinc ore deposit formed in a weak moderate reduction environment of meddle low temperature,in which the ore forming media belong to thermal brine fluid of Cl - SO 4 2- F -/K + Na + Ca 2+ (Mg 2+ ) with low salinity and acidity. The genesis of the deposit is mainly sedimentary.
     镇旬铅锌矿田矿物包裹体研究表明 ,本区铅锌矿床最初形成于中—低温、弱—中等还原环境 ,成矿介质属低盐度、酸性条件下的Cl-—SO42 -—F-/K+ —Na+ —Ca2 + (Mg2 + )热卤水流体 ,成因以沉积为主 ;
短句来源
     It obviously controls the distribution of the basement stucture and,in addition,evidently governs the subsequent stratigraphic sedimentation,magmatic activity and,especially,the formation and distribution of the Xicheng lead zinc orefield.
     它不仅对基底构造的展布具有明显的控制作用,而且对其后的地层沉积、岩浆活动,特别是对西成铅锌矿田的形成和分布也具有明显的控制作用
短句来源
  lead-zinc ore field
     DISCUSSION ON THE GENESIS OF FOZICHONG LEAD-ZINC ORE FIELD
     广西佛子冲铅锌矿田成因刍议
短句来源
     INCLUSIONS IN MINERALS OF THE LEAD-ZINC ORE FIELD IN ZHEN'AN-XUNYANG
     镇旬铅锌矿田矿物包裹体研究
短句来源
     Geochemical Characteristics of Spout-Sedimentary Rock of the Fuzichong Lead-Zinc Ore Field in Guangxi
     广西佛子冲铅锌矿田喷流沉积岩地球化学特征
短句来源
     (7)disc overy of some pre-Sinian metamorphic crystalline series and reassessment of the ages of some strata,especially the discovery of the Mesoproterozoic str ata in the Xicheng lead-zinc ore field in the West Qinling,in which the superl arge Changba deposit is hosted;
     ⑦发现了一批前震旦系变质地层结晶岩系,重新厘定了一些地层的时代,特别是西秦岭、西成铅锌矿田中元古代地层的发现和超大型厂坝矿床产于其中,有重大的理论和实际意义;
短句来源
  “铅锌矿田”译为未确定词的双语例句
     A PRELIMINARY STUDY ON THE CARBONATE SEDIMENTARY FACIES OF THE MIDDLE DEVONIAN IN XICHENG ORE-FIELD, GANSU
     甘肃西成铅锌矿田中泥盆统碳酸盐沉积相的初步研究
短句来源
     THE GEOLOGICAL CHARACTERISTICS OF THE SHUIKOUSHAN LEAD-ZINCOREFIELDIN HUNAN
     湖南水口山铅锌矿田地质特征及找矿思路
短句来源
     Age of the Giant Huize Zn-Pb Deposits Determined by Sm-Nd Datingof Hydrothermal Calcite
     会泽超大型铅锌矿田方解石Sm-Nd等时线年龄及其地质意义
短句来源
     Sedimentary Environment Interpreted by the Characteristics of Organic Matters in Xicheng Ore-field
     甘肃西成铅锌矿田有机质特征对沉积环境的判识
短句来源
     CHARACTERISTICS AND SIGNIFICANCE OF SPHALERITE FROM QINGCHENGZI Pb Zn ORE FIELD
     青城子铅锌矿田闪锌矿特征及意义
短句来源
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  lead zinc
Electric-field-induced phase transition in single-crystal lead zinc niobate
      
The behavior of lead zinc niobate, a relaxor ferroelectric, in electric fields has been studied by dielectric, optical transmittance, and small-angle light scattering techniques.
      
Research on natural plants in the lead/zinc mine in northwestern Guizhou Province
      
The complex antimony-lead/zinc deposit at Rujevac/Yugoslavia; its specific geochemical and mineralogical features
      
Since 1973, about 500,000 tons/yr of metal-rich particulate tailings from a lead/zinc flotation mill have been discharged through a submarine outfall into a two fjord system on the west coast of Greenland.
      
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Taoling Pb-Zn orefield was thoroughly investigated by many geologists since 1950's However, there are many different ideas about the ore-controlling regularity. In order to probe the effectiveness of ore-finding with the remote sensing technique, based on predecessors' work, the studies on the characteristics of the geological structures and ore-finding prospects, have been made with the aid of the digital processing images of remote sensing, and a good result have been achieved.The processing of images was...

Taoling Pb-Zn orefield was thoroughly investigated by many geologists since 1950's However, there are many different ideas about the ore-controlling regularity. In order to probe the effectiveness of ore-finding with the remote sensing technique, based on predecessors' work, the studies on the characteristics of the geological structures and ore-finding prospects, have been made with the aid of the digital processing images of remote sensing, and a good result have been achieved.The processing of images was carried out in the IPOS/101 computer. The processing contents include geometric restoration and correction, colour enhancement, contrast stretching, frequency enhancement, algebraic calculational enhancement and non-controlling classification, etc.. More than 10 methods, compound, ratio, convolve, fourier transform, cluster analysis, were adopted, and 33 images were obtained.By the interpretation of digital processing images, the linear and circular structures can be obviously determined, therore-controlling characteristics of faults can be intuitively found, and the favorable ore-finding areas can Be located. All of these provide some important re-ferrentia1 information about exploration for minerals.

五十年代以来,中外许多地质工作者对桃林铅锌矿田进行过深入考察与研究,但对其控矿规律,尚存在不同认识。为探讨遥感技术的找矿效果,我们在前人工作的基础上,运用遥感数字处理图像,对该区的地质构造特征与找矿前景进行了研究,取得了较好的效果。研究区遥感图像计算机处理是在S101系统上进行的,内容包括几何纠正、彩色增强、反差增强、频率增强、代数运算增强和非监督分类等。采用了合成、比值、卷积、一维傅里叶变换、集群分类等十余种基本功能,获得图像33幅。通过数字处理图像地质构造解译,能够更明显地确定线性构造和环形构造,可以直观地了解断裂对成矿的控制特点,进而指出找矿有利地段,为成矿预测、矿产普查与勘探提供重要的参考资料。

The fundamental structural frame of the Qingchengzi ore field iscomposed of two sets of folds, in which the early one is a series ofopen folds trending to E-W direction and the late one is a recumbentanticline, the root of which stretches nearly N-S and the front of whichlooks like an arc protruding to west. There exists a plastic fault bet- ween the reversed limb of the recumbent anticline and the below normalstrata.Firstly in the Qingchengzi ore field the author systematically col-lected Petrofabric oriented...

The fundamental structural frame of the Qingchengzi ore field iscomposed of two sets of folds, in which the early one is a series ofopen folds trending to E-W direction and the late one is a recumbentanticline, the root of which stretches nearly N-S and the front of whichlooks like an arc protruding to west. There exists a plastic fault bet- ween the reversed limb of the recumbent anticline and the below normalstrata.Firstly in the Qingchengzi ore field the author systematically col-lected Petrofabric oriented samples, measured the orientations of opti-cal axes of calcites, drew 23 fabric diagrams, described the petrogra-phic features of the samples, and got such conclusions as follows. (a)Most fabric diagrams in the ore field appear as monoclinic symmetryand look like B- or B+R-tectonites, and complete or incomplete circlebelt structures are common in all fabric diagrams. (b) The fabric axesin the fabric diagrams are consistent with the a, b and c axes determin-ed by attitude of stratum, which means that during the two phases of fol-ding deformation the ab surfaces are the same, but the relative loca-tions of a and b axes have been changed. (c) The preferred orientationsof optical axes of calcites in the ore field are produced during the pe-riod of deformation of the recumbent anticline. The early fabrics arestrongly reformed by late deformation. (d) From the petrofabric featureswe know that the affection of the recumbent folding to the early stru-ctures is very clear in the range 1 km out of the front margin of therecumbent anticline and 200 m below the plastic fault in the reversedlimb of the anticline.(e) The late deformational form is mainly dif-ferential sliding, and differential rotation is not apparent. But insome sections the differential rotation is main due to the existing of lo-cal barriers and the rising and falling of slide surface, so R circle beltsin fabric diagrams are formed.(f) The early deformation is plastic frommacrograph to micrograph, while the late macro-plastc deformationincludes micro-elastoplastic deformation and micro-plastic deformation

辽宁凤城县青城子铅锌矿田构造是由早期东西向开阔褶皱被晚期翻卷背斜横跨而形成的一种迭加褶皱构造。本文通过对矿田内构造岩方解石光轴优选方位的分析,揭示了晚期变形对早期组构的改造程度,反映了晚期翻卷褶曲作用的影响范围,为矿田迭加构造的确定提供了有力佐证。

The Fengtai Fengtai Pb-Zn ore field is located within the south rift valley of the Pa-leozoic Qinling intercontinental rift system between the North China and Yangtzeplatforms. The strata in the ore field are composed of the Middle Devonian Gudao-ling and Xinghongpu Formations. After sedimentation, the Gudaoling Formation hademerged from the sea, forming a very irregular fossil erosion surface which providean accumulative site for succesive ore deposition. Afterwarde, because of repeatedmovements of the syndepositional...

The Fengtai Fengtai Pb-Zn ore field is located within the south rift valley of the Pa-leozoic Qinling intercontinental rift system between the North China and Yangtzeplatforms. The strata in the ore field are composed of the Middle Devonian Gudao-ling and Xinghongpu Formations. After sedimentation, the Gudaoling Formation hademerged from the sea, forming a very irregular fossil erosion surface which providean accumulative site for succesive ore deposition. Afterwarde, because of repeatedmovements of the syndepositional northeast-trending fault system, this area was cutinto a series of troughs. The deep-seated fluids in the faults was driven up by thesyndepositional structural movements, thus giving rise to volcanic exhalation on thesea floor. The mineralizing volcanic-exhalative solutions rich,in Zn, Si, Fe, Pb andCu ascended along the syndepositional northeast-trending faults and overflowed;then the solutions were mixed with the oxygen-deficient saline solutions in the sub-marine depressions. Within the environments large amounts of metallic sulfides,silica and ferroan carbonate were deposited with changes of physico-chemical con-ditions, and formed stratiform, stratoid and lenticular Pb-Zn ore bodies and ore-bear-ing rocks. At the same time the volcanic-exhalation produced syndepositional brec-cias and brecciated ores near the syndepositional structure. The petrological and petrochemical characteristics of the ore-bearing rocks,Pb/Zn ratios of the Pb-Zn bodies and trace-element sulfur isotope characteristics haveprovided convincing evidence for the volcanic-exhalative sedimentary ore deposition.

凤太铅-锌矿田位于华北地块和扬子地块间的秦岭古生代陆间裂谷系南部裂谷之中。通过对古构造的研究得知,该区至少从中泥盆世古道岭组形成时,同生沉积构造就持续不断地活动,受古道岭组顶部古剥蚀面控制的铁白云石硅质岩及铅-锌矿体,就是沿同生构造发生的海底火山喷流沉积的产物。除了大量的地质证据之外,文中还应用了微量元素、稀土元素、稳定同位素及矿物、元素分带性的研究成果,为矿床成因提供进一步的佐证。最后,笔者提出该类型铅-锌矿床的成因模式。

 
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