贵州板其原生金矿石属碎屑岩类微细浸染型难选冶矿石,在氰化浸出之前需进行预处理。采用化学分析、X射线衍射、红外光谱、扫描电镜等方法,研究了矿右经不同温度氧化焙烧后各组成矿物结构变化与金的浸出率变化关系,对焙烧法预处理工艺的微观研究进行了新的探索和尝试。其结果可望有助于矿床成因,构造控矿等方面的微观研究。 Guizhou plate of its primary gold ore clastic rock fine disseminated refractory ore, cyanide leaching before the need for pretreatment. The relationships between the changes of mineral composition and the leaching rate of gold after the different temperatures of the ore are oxidized and calcined were studied by means of chemical analysis, X-ray diffraction, infrared spectroscopy and scanning electron microscopy. The microscopic study on the pretreatment of roasting method was carried out New exploration and try. The results are expected to contribute to the deposit genesis, structural control and other aspects of micro-research.