Different genetic types of gold deposits have different fineness of gold.
不同成因类型金矿床金成色不同.
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Supergenesis makes the grade and fineness of gold increase greatly.
表生作用使金的品位、成色获得大幅度提高.
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The study of fineness of gold is of important significance in metallogenic theory and prospecting gold.
金成色的研究在成矿理论和找矿工作中都有重要的意义.
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