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引言布罗肯·希尔联合熔炼公司皮里港厂生产的白银,主要来自布罗肯·希尔矿山,其余部分自购入的矿石或精矿产出。布罗肯·希尔精矿的典型分析为:
INTRODUCTION The silver produced by Brigham and Hill’s Prymouth plant, mainly from the Brocken Hill mine, and the balance produced from purchased ores or concentrates. A typical analysis of Brocken Hill concentrates is: