| 分散元素铟富集的矿床类型和矿物专属性 |
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| 引用本文：.2003.Specialization of Ore Deposit Types and Minerals for Enrichment of Indium[J].Mineral Deposits,22(3):309~316 |
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| 基金项目:国家自然科学基金资助项目(批准号：40172037) |
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| 中文摘要:文章研究了我国一些铁锰矿床、铜矿床及铅锌硫化物矿床矿石及矿物中铟的含量变化特点，发现In在不同类型的铅、锌、铜、铁、锰等矿床中并不大量富集，在这些矿床中矿石平均w（In）大都低于10×10－6；在锡石硫化物矿床和富含锡的铅锌多金属矿床中，矿石中w(In)平均可达80×10－6以上，这类矿床中铟的工业储量可达数百吨甚至数千吨，80%以上的铟都富集在闪锌矿中。研究结果表明，铟的富集成矿具有矿床类型和矿物专属性，这种专属性对铟资源的寻找与利用具有 重要意义。 |
| 中文关键词:地球化学 矿床类型 铟 富铟矿床 专属性 综述 |
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| Specialization of Ore Deposit Types and Minerals for Enrichment of Indium |
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| Abstract:In order to find out the distribution of indium in different types of ore deposits in China, the authors have studied the content and variations of indium in ores and minerals from some Fe, Mn, Cu, Pb-Zn and Sn deposits. It is found that indium is not concentrated in large quantities in different genetic types of lead, zinc, copper, iron and manganese deposits. The average contents of indium in ores from these types of deposits are lower than 10×10-6. However, its average contents in ores from the stannolite_sulfide deposits and the tin_bearing Pb_Zn deposits are higher than 80×10-6, and its reserves in these types of deposits may reach several hundred tons or even several thousand tons. More than 80% of Indium in these deposits exists in sphalerite. Indium can be concentrated and can thus form significant associated deposits. Its enrichment is intimately related to tin. The formation of the indium_enriched deposit generally requires high ore_forming temperature, and its genesis is more or less related to magmatism. Two prerequisites are necessary for the formation of the indium_enriched deposit: one is the existence of stannolite_sulfide deposits and tin_bearing Pb-Zn deposits, and the other is the accumulation of sphalerite in large quantities. It is therefore thought that the enrichment and mineralization of indium have an ore deposit and mineral specialization. Such a specialization is of significance to the exploration and utilization of indium resources. |
| keywords:geochemistry, ore deposit, mineral, indium, indium-rich deposit, specialization |
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