吉林省非金属矿产区域成矿规律的分析

吉林省有丰富的非金属矿产资源,它们的形成及空间展布,赋存的层位等多受沉积盆地的控制,同古气候及环境的演化关系密切,或者与岩浆活动和区域变质作用有联系。这些控矿因素、条件均与区域大地构造环境及地质构造发展演化的阶段相吻合,从这点出发概略分析非金属矿产区域成矿规律。吉林省跨越南部中朝准地台、北部吉黑地槽两大构造单元,经过了三个区域构造发展阶     

非金属矿的开发应用

本文着重介绍有关金属矿的概念，分类，性能及其开发应用，结合我省非金属矿产资源现状，提出了开发重点和开发应用中需注意的一些问题。     

益阳市金矿资源特点及其合理开发建议

益阳市金矿资源特点及其合理开发建议胡楚南（桃江县地质矿产局桃江４１３４００）关键词黄金；资源特点；开发建议；益阳ＣｈａｒａｃｔｅｒｉＳｈｃｓＯｆＧｏｌｄＲｅｓｏｕｒｃｅｓａｎｄＳｏｍｅＳｕｇｇｅｓｔｉｏｎｓｏｆＲａｔｉｏｎａｌＤｅｖｅｌｏｐｍｅｎｔａ...     

开发大别山非金属矿资源加速革命老区脱贫致富

大别山地区是安徽省境内主要革命老区,同时也是安徽省内国家级贫困县集中的地区,区域内矿产资源尤其是非金属矿产资源丰富,开发非金属矿产资源,对本世纪内实现老区脱     

中国非金属矿产分布及主要成矿特征

中国非金属矿产资源丰富。菱镁矿，滑石、石墨等主要产于华北地台，扬子地台和佳木斯地块的早，中元古代基底中，萤石、明矾石、膨润土、沸石、叶蜡石等主要分布于东南沿海火山岩带。灰岩、白云岩在华北主要产于下古生界，在华南主要产于泥盆系－三叠系。石盐、钾盐、芒硝主要产于西部现代盐湖和东部白垩－早第三纪断陷盆地。硫主要为中生代热液成因，广布于东部。磷矿主要产于扬子地台上震旦统一下寒武统，湘黔边界寒武系底部黑色页     

21世纪初期河南省非金属矿找矿方向探讨

本文概述了非金属矿的开发应用前景及市场需求状况,分析了河南省非金属矿的成矿规律,主要成矿系列及时空分布特点,探讨了石膏,岩盐,天然碱,硅灰石,等若干非金属矿物的找矿方向。     

非金属矿产开发中存在的问题及对策

阐述了我国非金属矿产开发过程中存在的体制、产品结构、深加工技术及矿山环境等问题，并进行了相关的讨论。在此基础上，从可持续发展的角度出发，提出了我国21世纪非金属矿开发的对策。     

广西矿产资源开发的环境问题与对策建议

广西因矿产资源开发而引发的环境问题比较普遍，矿山乱采滥挖，人为造成许多地质灾害，矿山在开采，选矿过程中产生的“三废”，容易造成环境的严重污染，上述问题制约了矿山的可持续发展，通过对问题的分析，探讨矿山地质环境保护的对策，提出两点建议。     

Environmental geochemistry of the derelict Webbs Consols mine,New South Wales,Australia

Small-scale mining and mineral processing at the Webbs Consols polymetallic PbZnAg deposit in northern New South Wales, Australia has caused a significant environmental impact on streams, soils and vegetation. Unconfined waste rock dumps and tailings dams are the source of the problems. The partly oxidised sulphidic mine wastes contain abundant sulphides (arsenopyrite, sphalerite, galena) and oxidation products (scorodite, anglesite, smectite, Fe-oxyhydroxides), and possess extreme As and Pb (wt% levels) and elevated Ag, Cd, Cu, Sb and Zn values. Contemporary sulphide oxidation, hardpan formation, crystallisation of mineral efflorescences and acid mine drainage generation occur within the waste repositories. Acid seepages (pH 1.9–6.0) from waste dumps, tailings dams and mine workings display extreme As, Pb and Zn and elevated Cd, Cu and Sb contents. Drainage from the area is by the strongly contaminated Webbs Consols Creek and although this stream joins and is diluted by the much larger Severn River, contamination of water and stream sediments in the latter is evident for 1–5 km, and 12 km respectively, downstream of the mine site. The pronounced contamination of local and regional soils and sediments, despite the relatively small scale of the former operation, is due to the high metal tenor of abandoned waste material and the scarcity of neutralising minerals. Any rehabilitation plan of the site should include the relocation of waste materials to higher ground and capping, with only partial neutralisation of the waste to pH 4–5 in order to limit potential dissolution of scorodite and mobilisation of As into seepages and stream waters.     

石家庄市矿产资源开发利用有关问题讨论

矿产资源的开发利用促进了石家庄的社会经济发展,但是粗放和无序的矿业活动也会对生态环境和社会环境产生负面影响,进而成为阻碍经济社会发展的不利因素.文章针对石家庄矿产资源开发利用中存在的主要问题,提出了合理开发利用建议.     

Mineralogical constraints on the determination of neutralization potential and prediction of acid mine drainage

 Acid-base accounting tests, commonly used as a screening tool in acid mine drainage (AMD) predictions, have limitations in (1) measuring with confidence the amount of neutralizers present in samples and (2) affording an interpretation of what the test results mean in terms of predicting the occurrence of acid mine drainage. Aside from the analytical difficulties inherent to the conventional methods, a potential source of error in neutralization potential (NP) measurements is the contribution from the dissolution of non-carbonate minerals. Non-carbonate alkalinity measured during static tests may or may not be available to neutralize acidity produced in the field. In order to assess the value-added of extending the NP with the knowledge of mineralogical composition and evaluate potential sources of errors in NP measurements, a suite of samples were examined and characterized in terms of their mineralogical and chemical compositions. The results indicate that although the acid-base accounting tests work well for simple compositions, the tests may result in overestimation or underestimation of NP values for field samples. Mineralogical constraint diagrams relating NP determinations to Ca, Mg and CO₂ concentrations were developed with the purpose to serve as supplementary guides to conventional static tests in identifying possible NP contributions from non-carbonate minerals and checking the quality of the chemical testing results. Mineralogical NP makes it possible to interpret the meaning of NP results and to assess the behaviour of samples over time by predicting the onset of AMD and calculating NP values for individual size fractions. Received: 1 June 1998 · Accepted: 6 October 1998     

矿产资源开发与泥石流灾害及其防治对策

由于掠夺式开采以及环境保护滞后于经济发展,我国矿产资源开发利用产生了比较严重的环境问题。本文在分析我国矿山人为泥石流灾害状况的基础上,提出了改善生态环境保护与重建的法治建设环境,加大矿山生态环境保护的监督管理力度,并具体提出了矿山人为泥石流灾害预防和工程治理的措施。     

山东半岛水资源开发和利用中的环境效应研究

山东半岛不仅是我国经济发展和对外开放的重要地区 ,也是我国水资源短缺比较严重的地区。分析山东半岛的水资源的现状 ,研究水资源开发利用中的环境效应 ,并提出山东半岛水资源可持续利用的 7点策略。     

中国西部地区矿产资源开发与环境保护

中国西部地区矿产资源丰富,矿业开发已成为西部地区经济发展的主要产业之一。由于受各种因素的影响,矿产资源的开发引起了一系列环境地质问题。在西部大开发进程中,如果不能很好地解决这些环境地质问题,将会阻碍西部地区的社会经济可持续发展。在论述西部地区矿产资源概况、由矿产资源开发引起的环境地质问题的基础上,提出了对这些环境地质问题进行防治和环境保护措施。     

Heavy metal pollution and acid drainage from the abandoned Balya Pb-Zn sulfide Mine,NW Anatolia,Turkey

This study was conducted to determine the effects of the waste-rock dump (WRD) of the underground polymetallic Balya Mine on the Kocacay River and eventually on Lake Manyas in Turkey. Data presented in this paper include geochemical characteristics of various kinds of water (mine, surface and groundwater) and of suspended-particle samples in the vicinity of Balya. The more polluted mine waters have low pH and high conductivity, while high concentrations of Zn, Cd, Mn tend to be found in the dry and wet seasons. High concentrations of Pb, As, Cr, Cu and S appear only in the wet season. The sources of the heavy metal concentration within the Kocacay River are leached waste, surface run off, and overflow from the spillway of the WRD. To minimize the formation of acids and dissolved metal, and for the remediation of the harmful effects of extreme contamination conditions, it is recommended that lime or alkali materials and organic carbon be added to simulate the action of sulfate-reducing bacteria.     

焦家金矿1^#主矿体下盘低品位资源开发利用探讨

焦家金矿是一座20世纪60年代发现的老矿山,随着采矿深度和力度的加大,保有资源量已经不足,在黄金价格持续走高的情况下,焦家金矿提出了开发利用低品位资源的计划。文章利用成本收益比较法计算出了焦家金矿低品位下限为1.067×10^-6,并估算出了1.00×10^-6～1.50×10^-6范围的资源量为226.38万t（矿石量）,金金属量2600.86kg,平均品位1.15×10^-6,可有效地延长矿山服务年限4.5年。