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Year:
Volume:
Issue:
shi jie bai yin sheng chan
Author(s):
YE Yefanuowa
,
ZUO Zuo
Pages:
77
Year:
1993
Issue:
4
Journal:
International Economic Review
Keyword:
白银
;
有色金属
;
世界市场
;
黄金矿床
;
银矿床
;
锌矿床
;
副产品
;
原生
;
数字
;
储量
;
Abstract:
<正> 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
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