湖北大冶铜绿山矿田深部找矿工作进展及下步找矿方向

以湖北大冶铜绿山铜铁矿、鸡冠咀铜金矿两个危机矿山深部找矿项目的勘查工作为基础,对大冶铜绿山矿田成矿规律的新认识、深部找矿技术手段的应用、深部找矿效果等方面进行了系统总结。并对矿田下步深部找矿的三个主要工作方向提出了建议,即现有矿体向深部延伸地段,以往工作程度低,但具有寻找新类型、新矿体潜力的地段;区内重要的重磁异常地段...     

陕西省凤县铅硐山铅锌矿床成矿模式及凤太矿田找矿潜力分析

凤太矿集区是一个以Pb、Zn、Au为主的多金属成矿区,成矿条件优越。文中通过对铅硐山铅锌矿床地质特征的分析,总结了该地区矿床的成矿模式和找矿标志,认为凤太矿田构造减压扩容部位找矿潜力巨大,尤其是已知矿床外围及深部第二探矿空间(500-1000米深度范围)、以及未控制圈边的矿体延伸部位和向斜槽部是如今开展地质找矿的重要部位,为今后的地质工作指出了找矿方向。     

黑龙江某铜矿地质特征及深部三维可视化成矿预测

资源危机矿山深边部仍然具有相当大的找矿潜力,但深部矿体找矿存在较大困难和风险。以黑龙江某铜矿为例,在搜集矿区地质数据的基础上,结合场分析理论,提出了"地质数据集成和成矿规律分析—三维地质建模和成矿信息提取—深部矿体定位和预测"的研究思路,通过构建深部矿体三维可视化成矿预测模型,圈定了找矿靶区,并对矿区深部的成矿潜力进行了评价。研究表明:(1)三道湾铜矿床均分布于新屋里岩体的接触带上或靠近接触带部位,矿床沿岩性接触带等间距分布,由矿田南西往北东方向延伸;(2)以岩浆岩控矿因素为例构建了定量化的非线性评价模型,在矿区圈定了4处找矿靶区,经实地深部钻探验证,发现了厚度较大、品位较高的矿体,表明所构建的模型对于矿区深部成矿预测效果较好。     

大冶市许家咀铜铁矿床成因及找矿潜力分析

在分析许家咀矿区地质及矿体地质特征基础上,对矿床成因及找矿标志进行总结,对矿区深边部找矿潜力进行评价,认为许家咀矿区边、深部仍然具有较大找矿潜力,指出矿区西部及北部断陷盆地是寻找沉积改造型铁矿及热液型铜金矿的有利地段;矿区东部鲤泥湖近东西向主接触带是寻找接触交代型铜铁金矿的有利区段。     

湖北大冶鸡冠咀铜金矿地质特征及找矿前景分析

依据近年来鸡冠咀铜金矿床地质勘查获取的大量矿区深部地质、物化探资料,对鸡冠咀矿区深部地质特征、地球物理及地球化学特征进行深入研究,初步总结成矿规律,建立找矿模式,提出鸡冠咀矿区南西部陈彦利地段、矿区北西部断陷盆地深部及鸡冠咀矿区南部深部具找矿潜力,为矿区下步重点工作地段。     

新疆青河县库木哈仁铜矿地质、物探异常特征及找矿标志

卡拉先格尔成矿远景区处于北准成矿区与阿尔泰成矿区的交汇地段,是巴尔喀什成矿区和南蒙古成矿区的邻接部位。是寻找铜、钼、金、铁及铬、镍、钴矿产的有利地段。通过对库木哈仁铜矿区地质、物探异常特征及找矿标志进行阐述,其目的在于建议该区开展中深部地质找矿工作,扩大矿床规模。     

山东安丘市白石岭铅锌矿地质特征及找矿前景

白石岭铅锌矿位于马站一苏村凹陷与沂山凸起相接地带,产于中元古代傲徕山超单元的黑云二长花岗岩体内的构造蚀变破碎带中.通过对矿区地质特征和控矿因素的分析,认为矿体南段和深部找矿具有较大潜力,建议加强深部找矿力度,开展地、物、化综合找矿及成矿预测工作.该铅锌矿的深部详查,对危机矿山寻找新资源突破有着重要的现实意义和理论意义.     

相山矿田荷上矿床铀成矿地质特征及找矿前景

荷上矿床是近年来在江西相山地区新发现的铀矿床,在阐述其成矿地质背景及地质特征的基础上,分析总结了矿床控矿因素和成矿规律,认为铀矿化主要受构造、岩性界面及斑岩控制,呈现出从北东往南西侧伏的规律,矿石的品位具从北东向南西也有逐渐变富的特点。提出矿床向南西延伸地段及深部具有较大的找矿空间和铀资源潜力,找矿前景好。     

新疆哈巴河县金坝金矿南矿带成矿成因浅析

金坝金矿南带处在系列已知矿床延伸部位,构造控矿明显,找矿潜力巨大,但第四系覆盖层厚,地质信息少,为隐伏矿体,找矿难度大,按照由已知到未知、由远及近、由浅到深、由地表到地下的勘查原则综合区域内的已知矿山矿体特征进行类比分析,结合物化资料对区域内的地质、构造特征、韧性剪切带的控矿规律进行了矿床成因分析和成矿预测,圈定找矿靶区,最终取得找矿突破,为类似深部隐伏矿床找矿工作提供勘查思路。     

豫西吉家洼金矿床主矿脉找矿前景分析

吉家洼金矿床位于豫西熊耳山上宫金矿集区的西部。通过对矿床地质、主要矿脉地质特征研究,对F1、F2和WF1矿脉进行了矿体趋势预测和找矿前景分析。分析结果表明,WF1矿脉北中部125～119线间、中部123～107线间及南部100～114线间,深部具有较大的找矿潜力;F1、F2矿脉11～8线为找矿有利地段,具有进一步找矿空间。     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

2014 second batch of rare earth quota released

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矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586