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白云鄂博东矿霓石型矿石中铌的分布规律研究

Nonferrous Metals Mieral Processing Section(2021)

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Abstract
采用化学分析、偏光显微镜、扫描电子显微镜、能谱仪等手段对白云鄂博东矿霓石型矿石开展了化学成分、矿物组成、矿物嵌布关系、铌元素分布规律和矿物粒度研究.研究结果表明,矿石中含铌矿物主要是黄绿石、铌铁矿、铌铁金红石、易解石、褐钇铌矿和包头矿;铌元素在矿物中分布率分别为黄绿石46.89%、铌铁金红石11.46%、褐钇铌矿5.89%、易解石4.57%、铌铁矿3.91%和包头矿2.35%;铌矿物嵌布粒度细;铌矿物与稀土矿物、铁矿物、霓石和闪石等脉石矿物嵌布关系密切.矿物粒度细、矿物种类多、矿物之间嵌布关系复杂是后期分选难题.
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