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沉积矿床
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  sedimentary deposit
     DISCUSSION ON MARINE HYDROTHERMAL SEDIMENTARY DEPOSIT
     海相热水沉积矿床问题探讨
短句来源
     Resent situations and trend of studies on the hydrothermal sedimentary deposit
     热水沉积矿床研究的现状与趋势
短句来源
     Resent Situations and Progress of Studies on The Hydrothermal Exhalative Sedimentary Deposit
     喷流热水沉积矿床研究的现状与进展
短句来源
     METALLOGENIC SERIES, METALLOGENIC MODEL AND ORE- CONTROLLING FACTORS OF SEDIMENTARY DEPOSIT IN GUANGXI
     广西沉积矿床成矿系列成矿模式及控矿因素
短句来源
     Yatou uranium deposit is a more typical sedimentary deposit occurring in the Cretaceous red bed of Yuanma Basin in western Hunan and is located at the northern margin of the basin, adjacent to the Xuefeng uplift and in Z_b and (?)
     垭头铀矿是湘西沅麻盆地白垩系红层中较为典型的沉积矿床,位于盆地东北缘,靠雪峰隆起,置于Z_b,(?)
短句来源
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  sedimentary deposits
     Some Advances in Study of Sedimentary Deposits
     沉积矿床研究若干进展综述
短句来源
     Marine volcanic hotwater sedimentary deposits in Xinjiang are not concentrated in time, and are distributed in the volcanic inland area of active continental margin in space.
     新疆海相火山热水沉积矿床,一般在时间上没有明显的集中生长期,空间上依附于活动大陆边缘火山岛弧带,它在区域上和矿床本身具有矿种转化、类型转换、配套与分带特征。
短句来源
     Filtration deposits: (6) Metamorphogenic hydrothermal deposits,(7) Superimposed meta-morphogenic hydrothermal deposits, (8) Hot brine deposits, (9) Hot brine sedimentary deposits, Ⅳ.
     渗流作用矿床类; (6)变质热液矿床,(7)叠加变质热液矿床,(8)热卤水矿床,(9)热卤水沉积矿床;
短句来源
     (3) Magmatic eruption deposits. (4) Volcangene hydrothermal deposits, (5) Volcangene hydrothermal sedimentary deposits, Ⅲ.
     (3)矿浆喷溢矿床,(4)火山热液矿床,(5)火山热液沉积矿床;
短句来源
     EVOLUTION OF ORGANIC MATTER AND ORIGIN OF SEDIMENTARY DEPOSITS(Ⅱ)——HYDROCARBONS ORIGINATING FROM COAL AND STRATA-BOUND DEPOSITS
     有机质演化与沉积矿床成因(Ⅱ)——煤成烃类与层控矿床
短句来源
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  sedimentary mineral deposit
     Therefor,these deposits are canonical biochemical sedimentary mineral deposit.
     因此,这些矿床应属生物化学沉积矿床
短句来源
     The thoughts from the seism and syndepositional faults could provide some new ideas for geologists to distinguish and to explain some origins of sedimentary mineral deposit, in which all the elements came from the interior of the earth, not from the surface weathering.
     根据地震、同沉积断裂新的思路 ,可提供地质学家重新认识与解释某些沉积矿床的成因 ,它们的成矿元素均来自地球深部而非地表风化作用。
短句来源
     Through the analysis of petrographic classification,ore composition,paleogeography,paleoclimate,paleogeochemical background,it is considered that the deposit in the study area was formed in reduction condition from alternate reductionoxidation,which belongs to inland lake stratabound sedimentary mineral deposit controlled by the middle,upper strata of the Qingshankou Formation.
     通过对岩石类型、矿石成分及古地理、古气候、古地球化学环境的初步分析认为,区内矿床形成于交替的氧化—还原环境的还原条件下,是受青山口组中、上部层位控制的内陆湖泊相沉积的层控沉积矿床
短句来源
  “沉积矿床”译为未确定词的双语例句
     The deposit has been formed at Proterozoic, late palaeogoic and modern time.
     热水沉积矿床在时间上主要形成于元古代、晚古生代和现代,而古生代又集中于泥盆纪。
短句来源
     The genesis of the ore deposit must belong to the biogeochemical sedimentation type.
     矿床具有微生物成矿与海底热水沉积双重特征 ,成因应属生物地球化学沉积矿床范畴
短句来源
     Through studying petrology and petrochemistry (including isotope dating) of mud conglomerates in the Chigou Formation (D 2 ch ), the author suggests that the hydrothermal ore deposit series (siderite silver multimetal gold deposits) in the Daxigou Formation (D 2 d ) should be of natures of secondary hydrothermal sedimentation.
     通过柞山矿田西部池沟组 (D2 ch)分布的泥砾岩岩石学和岩石化学研究 ,结合区内矿床同位素测年资料和地层地球化学资料 ,笔者认为柞山矿田大西沟组 (D2 d)中赋存的菱铁矿—银—多金属—金热水沉积矿床系列 ,具有二次热水沉积特点。
短句来源
     Current research on the formation and distribution of metallic ore deposits using the principles and methods of groundwater dynamics and its achievements abroad are reviewed in this paper. It contains the main contents as follows. 1) the relation between genesis of sedimentary ore deposits and compaction-driven groundwater flow;
     本文评述了国外近年来应用地下水动力学的原理、方法分析金属矿床形成与分布规律的研究现状及其成果,其中包括压实水流与沉积矿床成因,区域地下水运动与层控矿床的形成与分布,水动力弥散与蚀变带,构造裂隙及其围岩的水动力条件对脉状矿床的成矿控制等.
短句来源
     Therefore, in the future, the trend of the study of hydrothermal mineralization is in the interfaces of ore forming fluid geophysics and geochemistry, computer modeling of geological process of hydrothermal mineralization.
     因此,今后的研究趋势是加强对热水沉积矿床的地质环境和深部背景、对成矿流体地球物理化学界面、对热水沉积盆地尤其是热水沉积盆地中热水沉积矿床岩相的研究以及利用先进的计算机技术进行建模研究。
短句来源
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  sedimentary deposit
Discovery of double-peaking potassic volcanic rocks in Langshan Group of the Tanyaokou hydrothermal-sedimentary deposit, Inner M
      
Experiments conducted on unweathered sand-sized vein quartz produced little silt, while use of sand from a sedimentary deposit, Leighton Buzzard sand, produced plentiful silt.
      
The deposit has previously been assumed to be a young sedimentary deposit, but detailed field examination and comparison with surrounding rock types indicates that it has formed from weathered Mesozoic sandstone bedrock.
      
The spill-over forms a sandy sedimentary deposit that acts as a topographic obstruction to the turbidity current flow from the south.
      
Elemental Distribution in a Sedimentary Deposit on the Shelf Off the Tagus Estuary (Portugal)
      
更多          
  sedimentary deposits
Large areas of sedimentary deposits of the Haakon Mosby mud volcano (HMMV) and pockmarks of the Vestnesa Ridge (VR) are covered with bacterial mats 0.1 to 0.5 cm thick.
      
Mercury in the sedimentary deposits of Lake Baikal
      
A series of laboratory experiments allowed conditions to be reproduced that could have led to mineralization of cyanobacteria and their preservation in sedimentary deposits.
      
The Jianshangou Bed is a set of fossil-bearing sedimentary interlayers of the basal volcano-sedimentary deposits of Yixian Formation in western Liaoning.
      
This unusual distribution of n-alkanes in this environment provides a new case for comparison with previously reported hypersaline and phosphorite sedimentary deposits where the occurrence of similar n-alkane distributions was reported.
      
更多          


This paper studied the siderite ore and limonite ore origin,which made iron ore de- posits in Zihe Region,Shandong Province.Consider that the deposits were faultfound (fauh-control),instead of stratabound or sedimentary ore deposite,because iron-bea- ring solutions metasomatiled the advantageous walt rocks and filled in fractured zone and finally riched into deposits under the influence of hot groundwater. The article indicates that there is genesisly relation between siderite ore and limonite ore.we ultimately...

This paper studied the siderite ore and limonite ore origin,which made iron ore de- posits in Zihe Region,Shandong Province.Consider that the deposits were faultfound (fauh-control),instead of stratabound or sedimentary ore deposite,because iron-bea- ring solutions metasomatiled the advantageous walt rocks and filled in fractured zone and finally riched into deposits under the influence of hot groundwater. The article indicates that there is genesisly relation between siderite ore and limonite ore.we ultimately point out that fractures are more important marks of finding ore than the wall rocks in Zihe Region.

本文对淄河铁矿床的菱铁矿和褐铁矿的成因分别进行了研究,认为淄河铁矿并非层控或沉积矿床,而是一种在地下热水作用下,含铁溶液交代有利围岩并充填于断裂带中的断控矿床。文章表明了褐铁矿与菱铁矿之间有着成因上的联系。最后指出,在淄河地区断裂构造是比岩性更为重要的找矿标志。

As to the concept of stratabound deposits, there is as yet different comprehension among the researchers. Some people define it in a broad sense; others in a narrow sense. Actually, not only the former but also the latter make it rather extensive, and do not have the key paints stand out. For this reason, it is necessary to clarify and limit the concept.In this paper stratabound deposits are referred to those which have double features of both sedimentation and hydrothermalism. In other words, their formation...

As to the concept of stratabound deposits, there is as yet different comprehension among the researchers. Some people define it in a broad sense; others in a narrow sense. Actually, not only the former but also the latter make it rather extensive, and do not have the key paints stand out. For this reason, it is necessary to clarify and limit the concept.In this paper stratabound deposits are referred to those which have double features of both sedimentation and hydrothermalism. In other words, their formation is a complex process during which original deposits or source-beds are reconstructed, perfected by actions of various hydrothermal liquids.

有关层控矿床的概念,目前矿床学家认识还不一致,有的从广义上理解,有的从狭义上认识,总的看来涉及范围较广,重点不够突出,似乎有进一步明确和限制的必要。 本文理解层控矿床是指由同生沉积作用(包括一定程度的变质作用)形成的矿床或矿源层,受各种热液活动的改造演化而成的兼有沉积矿床和热液矿床双重特点的一类矿床。

This paper is from geochemical S-isotope composition discussed on layerpyrite deposits of Southwestern China for the mineralized geological condition and summarized mineralization role with the direction of looking for ores and origin of the deposits.

本文从地球化学硫同位素组成角度出发,对我国西南硫矿带层状黄铁矿床的成矿地质条件及矿床成因进行探讨,总结成矿规律,指出找矿方向。 根据川滇黔交界地区10余县30个矿产地采集的63件黄铁矿单矿物硫同位素样品测试结果:硫同位素值变化范围宽,δS~(34)最重+27.3‰,最轻-34.9‰,一般值+15—-25‰,算术平均值-5.4‰。硫同位素组成图案呈波浪状弥散分布,显示着沉积矿床特征。 区域资料表明,黄铁矿的生成与峨嵋山期火山活动息息相关,含矿岩石由火山岩—火山碎屑岩—沉积火山碎屑岩—火山碎屑沉积岩—沉积岩呈自西而东的规律性递变——环火山机体作带状展布,由西向东矿层厚度减小,矿体品位依次降低,TiO_2与TS含量呈正相关关系,钴镍比值由大变小(平均由1—0.1),显然与物源供给存在着密切的成生联系。 综上认为,我国西南硫矿带的矿床成因应属与峨嵋山玄武岩有关的热液—沉积矿床。地质资料和硫同位素资料阐明,从玄武岩浆中分馏出来的含矿挥发组分,经海底热液转移到海盆地中,所以说生成黄铁矿的硫主要来自海水硫酸盐,而铁质主要是玄武岩与海水反应时淋滤出来的.矿床硫同位素组成在空间上和时间上的变化与当时沉积...

本文从地球化学硫同位素组成角度出发,对我国西南硫矿带层状黄铁矿床的成矿地质条件及矿床成因进行探讨,总结成矿规律,指出找矿方向。 根据川滇黔交界地区10余县30个矿产地采集的63件黄铁矿单矿物硫同位素样品测试结果:硫同位素值变化范围宽,δS~(34)最重+27.3‰,最轻-34.9‰,一般值+15—-25‰,算术平均值-5.4‰。硫同位素组成图案呈波浪状弥散分布,显示着沉积矿床特征。 区域资料表明,黄铁矿的生成与峨嵋山期火山活动息息相关,含矿岩石由火山岩—火山碎屑岩—沉积火山碎屑岩—火山碎屑沉积岩—沉积岩呈自西而东的规律性递变——环火山机体作带状展布,由西向东矿层厚度减小,矿体品位依次降低,TiO_2与TS含量呈正相关关系,钴镍比值由大变小(平均由1—0.1),显然与物源供给存在着密切的成生联系。 综上认为,我国西南硫矿带的矿床成因应属与峨嵋山玄武岩有关的热液—沉积矿床。地质资料和硫同位素资料阐明,从玄武岩浆中分馏出来的含矿挥发组分,经海底热液转移到海盆地中,所以说生成黄铁矿的硫主要来自海水硫酸盐,而铁质主要是玄武岩与海水反应时淋滤出来的.矿床硫同位素组成在空间上和时间上的变化与当时沉积环境的差异和演变有关。 该硫矿带形成一系列热液—沉积黄铁矿床,在西部火山作用相对显著,至东部沉积

 
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