中国有色金属工业总公司赴日本地质考察团1987年12月对日本九州南部的4个金矿山和中部1个铅锌矿山进行了实地考察。 1986年以来,日本政府通过金属矿业事业局,在矿产勘查方面采用招标方式,加强了金银和稀有金属矿产的综合调查工作,金矿的调查主要在伊豆半岛和九州南部的金成矿区内, In December 1987, China Nonferrous Metals Industry Corporation visited Japan Geological Mission visited four gold mines in southern Kyushu and a lead-zinc mine in central China. Since 1986, the Japanese government, through the Metal Mining Administration, has adopted a bidding approach in mineral exploration and strengthened the comprehensive investigation of gold, silver and rare metals and minerals. The investigations of the gold mines are mainly conducted in the Izu Peninsula and the gold mining area in southern Kyushu,