摘要
<正>近年来研究表明在一些重要的深成和表生矿床中存在大量亚微米和纳米级别的金属颗粒。例如,在卡林型金矿中发现了以含砷黄铁矿和毒砂为主要载体矿物的纳米金~([1,2])。前人针对金的化学价态、形貌和性质进行了一定的探索。部分研究认为在热液矿床成矿过程中,金可能在水力作用下以胶体形式迁移,最终因
引文
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