渑池县小龙庙铝土矿矿体特征及其评价研究  

Study on characteristics and evaluation of ore body of Xiaolongmiao Bauxite Mine in Mianchi County

作　　者：冯阳光 Feng Yangguang(Henan Nonferrous Metal Mineral Exploration Engineering Technology Research Center,Zhengzhou 450000,China;The Sixth Geological Brigade of Henan Nonferrous Metal Geology and Mineral Resources Bureau,Zhengzhou 450000,China)

机构地区：[1]河南省有色金属矿产探测工程技术研究中心,河南郑州450000 [2]河南省有色金属地质矿产局第六地质大队,河南郑州450000

出　　处：《能源与环保》2022年第7期159-162,173,共5页CHINA ENERGY AND ENVIRONMENTAL PROTECTION

基　　金：河南省新安县土古洞铝土矿普查(豫财地勘合字(2019)第37号)。

摘　　要：以渑池县小龙庙铝土矿为研究对象,通过野外和工程测量对矿体特征进行分析。结果表明,矿石多呈他形柱状晶粒结构、自形或半自形晶粒结构、泥晶或隐晶质结构,呈砾屑状、砂(粒)状、蜂窝状、豆鲕状和致密状结构,主要矿物为水硬铝石,次要矿物为高岭石、伊利石。微量矿物有绿泥石、赤铁矿、针铁矿、锐钛矿、金红石、埃洛石、电气石、锆英石、方解石、石英等。通过概略技术经济论证,其开发投资效果较好,矿山总利润为57854.4万元,平均年利润4254万元,投资利润率为23.6%,投资收益率44.4%,投资回收期4.2年。研究可为渑池县小龙庙铝土矿由地质普查转入地质详查的决策依据,其概略技术经济评价的方法或模式可供地质同行在评价类似铝土矿时参考。Taking the Xiaolongmiao Bauxite Mine in Mianchi County as the research object,the characteristics of the ore body were analyzed through field and engineering surveys.The results showed that the ore mostly has other-shaped columnar grain structure,automorphic or semi-automorphic grain structure,micrite or hidden crystal structure.The crystalline structure is gravel,sand(grain),honeycomb,bean oolitic and compact structure.The main mineral is diaspore,and the secondary minerals are kaolinite and illite.Trace minerals include chlorite,hematite,goethite,anatase,rutile,halloysite,tourmaline,zircon,calcite,quartz,etc.After a brief technical and economic argumentation,its development investment effect is good,the total profit of the mine is 578.544 million yuan,and the average annual profit is 42.54 million yuan.The investment profit rate is 23.6%,the investment return rate is 44.4%,and the investment payback period is 4.2 years.The results of the study can be used as a decision-making basis for the transfer of the Xiaolongmiao Bauxite Mine from the general survey of the geology to the detailed geological survey.The method or model of its rough technical and economic evaluation can be used as a reference for geological colleagues when evaluating similar bauxite mines.

关 键 词：小龙庙铝土矿 地质普查 矿体特征 技术经济评价 

分 类 号：P642[天文地球—工程地质学]