矿山开发与生产概况住友金属矿山公司于1985年11月在鹿儿岛县菱刈镇举行了菱刈矿开工典礼。该矿的斜井已掘进到海拔零米水平,长度为1700米;100米水平和70米水平的井下开拓系统也已基本完成。8月份100米水平到达矿体,开始向东予冶炼厂供矿。另外,对伴随掘进而涌出的温泉水,已向菱刈泉热开发公司供给热泉水。 Mine Development and Production Overview Sumitomo Metal Mining Co., Ltd. held the opening ceremony of Linggari Mine in Linggari Town, Kagoshima Prefecture in November 1985. The inclined shaft of the mine has been driven to the level of zero meters above sea level, a length of 1700 meters; 100 meters and 70 meters underground development system has been basically completed. The ore body reached the level of 100 meters in August and began supplying ore to the smelter in the east. In addition, hot spring water has been supplied to the Ryokan Spring Thermal Development Corporation for hot spring water that is discharged along with the tunneling.