世界白银资源的大约75％与铜,铅、锌矿床共生,仅有25％来自白银矿床本身,尽管最近世界上发现了几处白银和黄金矿床,然而,从长期看,白银储量和资源的扩大首先与发现主要有色金属的矿床联系在一起,白银将作为副产品从主要有色金属中提取。按照美国白银研究所发表的数字,原生白银通常占世界市场上白银供应总量的70％以上。世界原生白 About 75% of the world’s silver resources are symbiotic with copper, lead and zinc deposits and only 25% come from the silver deposit itself. Despite the recent discovery of several silver and gold deposits in the world, silver reserves and resources have expanded in the long run First, associated with discoveries of major non-ferrous metal deposits, silver will be extracted as a by-product from major non-ferrous metals. According to figures released by the U.S. Institute of Silver, native silver usually accounts for more than 70% of the total silver supply in the world market. The world’s native white