论文部分内容阅读
自人类开采黄金以来,大约开采了12万吨,其中3/4多是19世纪以来采冶的。1922年在尼罗河畔发现的古埃及国王坟墓中的黄金,距今已有3300多年,仍然闪闪发光。1976年在中国甘肃玉门市火烧沟遗址墓葬中出土了金耳环,那是迄今为止中国发现的最早的黄金器物。 目前,全世界黄金的平均年产量约2100吨。产量居首位的南非,年产量为650~700吨,其次是原苏联、美国、加拿大、澳大利亚,分别为300吨、150吨、120吨和110吨,它们是世界上黄金产量超百吨的产金大国。中国的黄金产量居全球的第六位或第七位,1992年
About 120,000 tons have been mined since gold was mined in the world, more than three-quarters of which have been mined since the 19th century. The gold in the tomb of the ancient Egyptian king found on the banks of the Nile in 1922 has been glittering for more than 3,300 years. In 1976, gold earrings were unearthed in the tombs of the Huoxuegou site in Yumen City, Gansu, China, the earliest gold artifacts found in China to date. At present, the average annual global gold production is about 2,100 tons. South Africa, with the largest output, has an annual output of 650-700 tons, followed by the former Soviet Union, the United States, Canada and Australia, which are 300 tons, 150 tons, 120 tons and 110 tons respectively. These are the world’s gold output exceeding 100 tons Generous gold country. China’s gold output ranks sixth or seventh in the world in 1992