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黄金价格由七十年代每英两36美元(1970年价格)猛升到八十年代初的600美元,加上南非货币兰特对美元的比值下降,为南非采金业的发展提供了有利时机。南非黄金产量占资本主义世界的70%,职工约514000人,是南非经济的台柱;其产值在国民经济总产值中所占比重,五十年代为9%,最近五年已达11%。到1985年底,南非已累计共产黄金40214吨,最高年产量达1000吨(1970年),1985年为672吨。矿石品位则由1970年的13.28克/吨下降到1985年
Gold prices soared from US $ 36 / tonne (1970 prices) in the seventies to US $ 600 in the early 1980s, and the fall in the ratio of the South African rand to the U.S. dollar provided a favorable opportunity for the development of the gold mining industry in South Africa. South Africa’s gold output accounts for 70% of the capitalist world and employs about 514,000 people. It is a pillar of South Africa’s economy. Its output value accounts for 9% of the GNP in the 1950s and 11% in the recent five years. By the end of 1985, South Africa had accumulated a total of 40,214 tons of gold, a maximum annual output of 1,000 tons (1970) and 672 tons in 1985. The ore grade dropped from 13.28 g / t in 1970 to 1985