虎圩金矿床地质矿化特征及成因研究

虎圩金矿床为一产于中生代燕山期石英闪长玢岩体内小型矿床，发育主要矿脉十余条，其空间产出严格受北西向断裂构造控制。矿化以硅化石英脉类型为主，次为石英脉及蚀变阀长玢岩型；矿区硫、氢、氧、铅同位素、岩矿石稀土元素地球化学特征及包体测温结果综合分析表明显，其成因与火山－次火山岩浆活动有关的中－低温热液金矿床。     

吉林延边地区浅成热液型金（铜）矿床稳定同位素组成特征

延边地区浅成热液型钢（铜）矿床的形成与中生代构造和火山－次火山岩浆活动有关，属滨太平洋成矿带的一部分。在硫同位素组成上具深源岩浆源硫特征。在氢氧同位素组成上显示出成矿流体为岩浆水和大气降水的混合，并且随矿床形成深度由深到浅，成矿流体由岩浆水为主变成以大气降水为主。在碳同位素组成上具深源碳特征。矿床中硫，氧同位素随矿床形成深度由深到浅，大气降水活动增强，交换程度越来越强。     

芝坊滑石矿床地质特征及成因探讨

芝坊滑石矿床产于元古界粉质群变质岩中受断裂构造控制,矿床的形成与燕山化岗岩关系密切。文章还对岩浆期后中低温热液矿床的成因进行了探讨     

老柞山金矿田东部段矿床成因探讨

东矿带东部段为老柞山金矿田内最大的金矿床。通过对矿床地质特征的分析，从控矿因素入手，进而阐述矿床演化过程，并指出，老柞山式金矿床的成因类型为再生岩浆热液迭加的混合岩化热液型。     

辽宁省岫岩县横山里铅锌矿床地质地球化学特征及矿床成因

横山里铅锌矿床位于华北地台辽—吉裂谷成矿带内,矿体呈脉状赋存于辽河群高家峪组黑云母斜长片麻岩中。通过对矿区地质特征及岩(矿)石主量、微量元素地球化学特征的研究,进而探讨了矿床成因类型。矿床地球化学显示,岩(矿)石具高硅铝、富钾的特点,富集大离子亲石元素,轻稀土元素富集,重稀土曲线呈平坦型,Sr、Ta、Nb、P、Ti元素具有明显的亏损,并具有明显的负Eu异常。根据野外调查,并结合矿石矿物组成及组构特征,将矿床成矿作用划分为沉积-变质成矿期和岩浆热液改造成矿期,以沉积-变质成矿期为主。综合研究确定横山里铅锌矿床成因类型为沉积变质-岩浆热液叠加改造型。     

福建紫金山金铜矿床地质特征及成因探讨

紫金山矿床是２０世纪８０年代后期在我国发现的大型金铜矿床。该矿床成矿与地层关系不大,主要受多期次复合岩体、火山－次火山岩体和隐爆角砾岩控制,围岩蚀变和矿化具多期次的叠加特点。矿床就位于统一的构造空间内,属岩浆期后热液成因（为主）矿床。     

辽宁省铁岭市柴河铅锌矿床成矿机理探讨

辽宁省铁岭市柴河铅锌矿床的成因，一直被地质界所重视。先后有岩浆期后中一低温热液矿床成矿、古地下水成矿、混合岩化成矿、层控型矿床的热卤水成矿等不同观点。分析矿床的成因的焦点主要是矿床成矿热液和矿质的来源问题。本文通过矿床的地质特征、同位素地球化学特征分析认为：辽宁省铁岭市柴河铅锌矿为深层变质热液改造型后生层控铅锌矿床。     

东秦岭﹙河南段﹚钼矿床类型及找矿潜力分析

根据东秦岭﹙河南段﹚钼矿床3种成矿流体﹙燕山期岩浆作用形成的高温成矿热液、熊耳期火山期后热液、构造动力作用形成的中低温成矿流体﹚,对应划分3种钼矿床成因类型:岩浆热液交代型钼矿床、石英脉型钼矿床和构造蚀变岩型钼矿床。区内岩浆热液交代型钼矿床,是广义上的斑岩型钼矿,包括斑岩型钼矿、斑岩-矽卡岩型钼矿、斑岩-爆破角砾岩型钼矿、爆破角砾岩型、矽卡岩型钼矿钼矿。根据其产出空间位置不同,进一步划分内接触带型、接触带型和外接触带型矿床。文章还介绍了各类型典型钼矿床特征,分析了各类型钼矿床的找矿方向。     

吉林省大黑山条垒北东段金,银成矿系列的划分

大黑山条垒北东段划分三为个金、银矿化集中区，各集中区内成矿地质条件各有特色，矿床成因类型大致可分为三种：北部机房沟区以变质热液型为主；南部放牛沟区以火山沉积－热液叠加改造型为主；中部兰家－八台岭区以矽卡岩－岩浆热液型为主。从而，相应地建立起三个成矿系列，为矿产预测提供理论依据。     

西藏蒙亚啊铅锌矿床成矿流体来源及特征

探讨西藏蒙亚啊铅锌矿床成矿流体来源及其特征,结合区域典型矿床研究厘定矿床成因类型.通过矿床近矿体蚀变灰岩和热液成因方解石碳-氧同位素及成矿不同期次石英氢-氧同位素分析手段,结合流体包裹体岩相学、温度和盐度测试研究,分析了矿床成矿流体的特征及成矿流体来源.结果表明,成矿早期流体以岩浆水为主,成矿晚期有大量天水混入;主成矿期成矿流体总体具有中高温和中低盐度特征,成矿从早期到晚期流体降温趋势明显.矿床形成与岩浆作用关系密切,矿床类型属于远接触端夕卡岩型铅锌矿床.     

Chinalco Signed Framework Agreement for Strategic Cooperation with Harbin Municipal Government

正Last month,Chinalco signed framework agreement for strategic cooperation with Harbin Municipal Government in Harbin Xiong Weiping,Chairman of Chinalco,said that based on the strategic deployment to build world top-class mining company with the highest growth potential,Chinalco was now concentrating all efforts on making strategic transition and structural adjustment,strategic cooperation with the local governments where     

Jiangxi Promotes Jiangxi Copper Corporation To Become The World's Most Competitive Mining Company

<正>According to the latest info from Jiangxi Province State-owned Assets Supervision and Administration Commission,Jiangxi Copper Corporation was approved to become the first pilot enterprise for deepening reform.Contents of the pilot work is"Three Self"(self expansion,self decision-making,self     

Journal of Rare Earths Contents List of Vol.32(2014)

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Contributions to Baosteel Technical Research wanted

正Baosteel Technical Research,a quarterly journal,which is issued domestically and abroad,is run and sponsored by Baosteel Group Corporation.Baosteel Technical Research mainly reports the achievements in technological innovation,academic research,new product development and industrial equipment improvement by Baosteel.It will continue to follow up on hot topics and serve the company’s technological development and progress.Its readers include experts in     

Ministry of Industry and Information Technology: No Short Term Solution For Our Country’s Excess Nonferrous Metal Smelting Capacity

【正】According to the Ministry of Industry and Information Technology,the Ministry has released the 2013 Operation Report on China’s Industrial Communication Indu...     

Chinalco Signed Framework Agreement for Strategic Cooperation with Gansu Province

正Recently,Chinalco and Gansu Provincial People’s Government signed"Framework Agreement for Strategic Cooperation on Reform,Restructuring and Transition Development of Chinalco’s Electrolytic Aluminum Enterprises in Gansu",signifying that the strategic cooperation between Chinalco and Gansu Province had made new substantive progress.     

Unavoidable Economic Cycle:30% Of Nonferrous Metal Companies Were Involved In Restructuring

正Owing to continual downturn in real estate and bulk commodity markets,a number of traditional industries in China suffered unfavorable impact in performance.With the progressive disclosure of third quarter report,the no-pleasant-surprise performance of     

Baotou Rare Earth Became the World's Biggest High Performance Magnetic Material Base

正The High Performance Magnetic Material Phase II Project,an industry upgrading project implemented by Inner Mongolia Baotou IronSteel Rare Earth(Group)Hi-tech Co.,Ltd,recently basically finished equipment commissioning,signifying that the enterprise had developed the production capacity of15000 t/a Nd-Fe-B strip casting alloy and 5000t/a Nd-Fe-B magnet,thus becoming the world’s     

Introducing Two Central Enterprises to Integrate Rare Earth Industry,Shandong Rare Earth Group Breaks Surface

正With the signing of"Letter of intention for Propelling Integration of Shandong Rare Earth Enterprises"between Shandong Province Commission Of Economy and Informatization,China IronSteel Research Institute Group("China Steel Institute"),and China Rare MetalsRare Earth Co.,Ltd("China Rare Earth"),the"Shandong Rare Earth Group"jointly set up by the 3 units thus broke surface.On August 9,reporters of the China Economic Herald learned from Shandong Province     

Aluminium Production by Province or City in 2014

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