| 覃志安.新疆莫托萨拉铁锰矿的物质成分[J].地质找矿论丛,1999,(4):69-75 |
| 新疆莫托萨拉铁锰矿的物质成分 |
| CONSTITUENTS OF IRON AND MANGANESE ORES IN MOTUOSARLA DEPOSIT, XINJIANG |
| 投稿时间：1999-06-07 修订日期：1999-06-17 |
| DOI：10.6053/j.issn.1001-1412.1999.4. 011 |
| 中文关键词: 莫托萨拉 铁矿 锰矿 成分 |
| 英文关键词:Motuosarla iron ore manganese ore composition |
| 基金项目:国家科技攻关96-915项目(编号03-05B-2) |
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| 摘要点击次数: 1335 |
| 全文下载次数: 1898 |
| 中文摘要: |
| 莫托萨拉铁锰矿中铁矿石的化学成分以Fe2O3为主,w(Fe2O3)可达78.76%,其次为w(SiO2)(10%～50%),w(FeO)含量多<5%。矿物成分以赤铁矿为主,次为玉髓、磁铁矿、镜铁矿、云母等。微量元素以Pb,Zn较高,局部Cu含量较高。稀土元素含量较低。锰矿石中以MnO2为主,w(MnO2)可达60%左右,其次为w(SiO2)(10%～20%)和Fe2O3;矿物组合分为两种类型:一种以菱锰矿为主,次为赤铁矿、石英、水铁矿、方解石、玉髓等;另一种以褐锰矿为主,次为蒙脱石、云母、软锰矿、黑锰矿等,这种锰矿多为低磷优质锰矿,其开发利用对我国冶金工业有重要意义;微量元素中亲铜元素Cu,Pb,Ag,Au,As,Sb,Hg含量较高,Ti,V,Cr,Ni含量较低;稀土元素含量也较低。 |
| 英文摘要: |
| In Motuosarla deposit, the iron ore is mainly composed of Fe2O3(～78.76%),SiO2(10-50%),FeO (lower than 5%). The mineral composition is dominated by hematite,then chalcedony,magnetite, specularite, mica, actinolite, a little amount of Fe-calcite, siderite, etc. Among trace elements, the contents of pb and Zn are higher; Cu higher locally. REE contents are low without close relation to the volcanic rock. The manganese ore is mainly composed of MnO2(60%),then SiO2(10-20%)、Fe2O3. According to mineral composition, there are two types of ore, one type dominated by rhodochrosite, then hematite, quartz, ferrihydrite, calcite, chalcedony, etc; the other dominated by braunite, then montmorillonite, mica, pyrolusite, psilomelane, is usually excellent Mn Ore with low-phosphorous content, its utillization has important significance to metallurgical industry. The contents of As and Zn are high among trace elements, and REE is low. |
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