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柴周缘铌钽矿成矿规律探讨 预览

A Study on Metallogenic Regularity of Niobium and Tantalum Ore Around the Peripheral of Qaidam Basin
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摘要 根据柴周缘系统采集的伟晶岩、细晶岩或花岗岩样品分析结果进行统计,发现Rb与Nb、Ta元素之间具有正相关性,且Rb含量愈高,Nb、Ta元素增加的趋势愈加明显,间接反映出富F、K、Na等高温流体对铌钽元素的富集作用。通过分析铌钽物理化学性质、迁移性质和物质来源,认为铌钽矿成矿具有明显的时间性和规律性,对柴周缘乃至全国铌钽矿找矿具有一定的指导意义。 According to the analysis results of pegmatite, we think fine crystalline rock or granite samples are collected from the peripheral system of Qaidam Basin. It is found that Rb has a positive correlation with Nb and Ta elements and the higher content of Rb. The increasing trend of Nb and Ta elements is more obvious, which indirectly reflects the enrichment of rich F, K, Na and other high temperature fluids on niobium and tantalum. By analyzing the physical and chemical properties, we have found the migration properties and material sources of niobium and tantalum. It is believed that the mineralization of niobium and tantalite ore has obvious temporality and regularity. These achievements have some guiding significance of niobium and tantalum prospecting for the peripheral of Qaidam Basin.
作者 赵海超 王永德 张金玲 孙婷婷 王治安 马吉雄 何利 ZHAO Haichao;WANG Yongde;ZHANG Jinling;SUN Tingting;WANG Zhian;MA Jixiong;HE Li(The Fifth Institute of Geology Exploration in Qinghai Province, Xining, Qinghai 810099, China)
出处 《中国锰业》 2019年第1期32-37,共6页 China's Manganese Industry
关键词 柴周缘 铌钽矿 成矿规律 Peripheral system of Qaidam Basin Nb and Ta ore Metallogenic regularity
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