日本矿业学会和美国矿冶石油工程师学会第四次联合会议于1980年11月6日至8日在日本东京举行。中国金属学会、中国煤炭学会代表团应邀出席了此次会议。第一天为全体会议,另两天为专业会议,在全体会议上,有半天时间由中国代表团宣读了三篇有关金属矿资源及采选方面的文章,在冶炼专业会议上中国 The fourth meeting of the Japan Mining Institute and the American Society of Mining and Metallurgy Engineers was held in Tokyo, Japan from November 6 to November 1980. China Metals Society, China Coal Society delegation was invited to attend the meeting. The first day was a plenary session and the other two days a professional session. In the plenary session, there were half a day’s time for the Chinese delegation to read out three articles on metallogen resources and mining and dressing. At the smelting professional meeting, China