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在寻找金矿的高潮中,世界各国都在加强金矿的勘查工作,尤其是对已知金的成矿带、生产矿区和外围,通过综合研究重新检查和资料的综合整理,又发现了许多新的金矿床。 80年代以来,世界范围内发现和勘查了一批大型和特大型金矿,其规模为世界级(100吨)的矿床至少有9个,主要分布在加拿大、美国、巴布亚新几内亚、日本和巴西等国。现将一些国家找矿进展的主要情况分述如下:
In the quest for gold, all countries in the world are strengthening gold exploration work, especially for the known gold metallogenic belt, producing the mining area and the periphery. Through the comprehensive review and comprehensive review of the data, many discoveries have been made New gold deposit Since the 1980s, a number of large and extra large gold mines have been discovered and surveyed worldwide, with at least 9 world-class (100 tons) gold deposits, mainly in Canada, the United States, Papua New Guinea, Japan and Brazil Other countries. The main situations in some countries looking for ore are as follows: