| 印尼某区铁矿石粉矿矿相学及X射线衍射分析研究 |
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| 引用本文： | 居维伟,张术根,赵亮,肖娥,张悦秋,刘小胡.印尼某区铁矿石粉矿矿相学及X射线衍射分析研究[J].有色金属(选矿部分),2022(1):21-26. |
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| 作者姓名： | 居维伟 张术根 赵亮 肖娥 张悦秋 刘小胡 |
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| 作者单位： | 江苏省有色金属华东地质勘查局,江苏省有色金属华东地质勘查局,江苏省有色金属华东地质勘查局,江苏省有色金属华东地质勘查局,江苏省有色金属华东地质勘查局,江苏省有色金属华东地质勘查局 |
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| 基金项目： | 财政部、国土资源部中央地质勘查基金项目(201130D06200123)。 |
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| 摘 要： | 采用矿相学、X射线衍射分析方法对印尼某区铁矿石粉矿的矿物组成和粒间结构进行了分析.结果表明,粉矿中铁矿物相主要为磁铁矿,其次为褐铁矿,偶尔可见由含锰磁铁矿氧化分解形成的水锰矿及其脱水相.粉矿颗粒内部空隙非常发育,孔隙类型丰富多样,偏胶状"褐铁矿"是氧化带粉矿的重要铁矿物组成类型,粉矿颗粒内部空隙的组成部分主要为风化淋失...
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| 关 键 词： | 矿相学 X射线衍射 铁矿石粉矿 印尼 |
| 收稿时间： | 2021/12/24 0:00:00 |
| 修稿时间： | 2021/12/31 0:00:00 |
Analysis of decreasing for the small volumetric weight of iron orefrom oxidation zone (fine ore) In Indonesia |
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| Authors: | JUWEIWEI ZHANG Shugen ZHAO Liang XIAO E ZHANG Yueqiu and LIU Xiaohu |
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| Affiliation: | 1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China,1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China,1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China,1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China,1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China,1. East China Mineral Exploration and Development Bureau for Non-Ferrous, 210007, Nanjing, Jiangsu province, China |
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| Abstract: | Mineral compositions and intergranular structures of iron ore fines in a certain area of Indonesia were analyzed using mineralogy and X-ray diffraction analysis methods. The results show that the iron mineral phase in the fine ore is mainly magnetite, followed by limonite. Manganese-containing magnetite and its dehydrated phase formed by the oxidation and decomposition of manganese-bearing magnetite are occasionally seen. The internal voids of the fine ore particles are very developed, and the types of pores are rich and varied. The partial colloidal "limonite" is an important iron mineral composition type of the fine ore in the oxidation zone. The internal voids of the fine ore particles are mainly weathered leaching pores, Non-penetrating cracks, followed by intergranular pores, crystal cracks and cleavage cracks of colloidal aggregates. Further X-ray diffraction analysis showed that in addition to magnetite and goethite in fine ore samples, chlorite, vermiculite, laumontite, etc. are also important constituent minerals of fine ore. |
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| Keywords: | Mineralogy X-ray diffraction iron ore fines Indonesia |
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