| 新疆哈密磁海铁矿床中钴的地球化学及地质意义 |
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| 引用本文： | 唐萍芝,王玉往,王京彬,龙灵利,廖震.新疆哈密磁海铁矿床中钴的地球化学及地质意义[J].矿物学报,2012,32(3):379-385. |
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| 作者姓名： | 唐萍芝 王玉往 王京彬 龙灵利 廖震 |
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| 作者单位： | 有色金属矿产地质调查中心,北京100012 中色地科矿产勘查股份有限公司,北京100012 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目 |
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| 摘 要： | 新疆磁海铁矿是一个富硫、富钴的磁铁矿矿床。矿床中的钴,主要产于黄铁矿、磁黄铁矿等硫化物中,并有钴的独立矿物辉砷钴矿和斜方砷钴矿。磁铁矿矿石中含钴较高,个别富硫化物磁铁矿矿石中钴可达0.16%,达到综合利用价值。对磁海铁矿床中钴的产出特征、化学成分、赋存状态研究,结合铁和钴的元素地球化学性质,认为该矿床的成矿物质来源较深;铁和钴在岩浆-热液成矿过程中属于不同阶段的产物,钴趋于在热液晚期阶段富集。
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| 关 键 词： | 钴 地球化学 磁海铁矿床 新疆 |
Geochemical Characteristics of Cobalt from the Cihai Ore District,Xinjiang,and Their Significance |
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| TANG Ping-zhi,WANG Yu-wang,WANG Jing-bin,LONG Ling-li,LIAO Zhen.Geochemical Characteristics of Cobalt from the Cihai Ore District,Xinjiang,and Their Significance[J].Acta Mineralogica Sinica,2012,32(3):379-385. |
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| Authors: | TANG Ping-zhi WANG Yu-wang WANG Jing-bin LONG Ling-li LIAO Zhen |
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| Institution: | 1,2(1.China Non-ferrous Metals Resource Geological Survey,Beijing 100012,China; 2.Beijing Institute of Geology for Mineral Resources,Beijing 100012,China) |
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| Abstract: | Cihai iron district is rich in sulfur and cobalt.It is found that cobalt mostly disperses in pyrite and pyrrhotite,but Co minerals like cobaltite and safflorite can be observed in ore.Cobalt is partially abandant in Cihai iron ore and can be comprehensive utilized,particularly in sulfide enriched ore that cobalt reaches to 0.16%.Geochemistry and occurrence of cobalt reveal that the ore-forming metals may come from the deep,and the formations of iron and cobalt in different mineralization stage of the magmatic-hydrothermal evolution process,or cobalt tends to accumulate in the late hydrothermal stage. |
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| Keywords: | cobalt geochemistry Cihai iron deposit Xinjiang |
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