摘要: … no gold enrichment and only minor, if any, silver enrichment. In contrast, gossans developed in the upper parts of gold veins … The Ag/Au ratios in all three deposits are extremely low (•1). …
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摘要: … no gold enrichment and only minor, if any, silver enrichment. In contrast, gossans developed in the upper parts of gold veins … The Ag/Au ratios in all three deposits are extremely low (•1). …