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一、美国及世界镍矿石资源及储量根据1973年《美国矿物资源》报道,世界硫化镍矿石资源平均含镍1.0%的约20亿吨,金属量为2,000万吨。平均含镍0.2%以上的矿石约70亿吨,金属量为1470万吨,参看附表1。
I. US and World Nickel Ore Resources and Reserves According to the 1973 U.S. Mineral Resources, the world’s nickel sulphide ore resources contain an average of about 2 billion tons of 1.0% nickel and 20 million tons of metals. An average of about 70 million tons of ores with an average nickel content of 0.2% and an amount of 14.7 million tons of metal are shown in Table 1.