About ASAMI NORIMASA
About 住友金属鉱山鉱山資源本部
About KATATANI TSUNEZO
About Sumac Mines Ltd.
About AKIYAMA SHIYOGO
About 住友金属鉱山システム部
About HIROSAKI FUMINORI
About 住友金属鉱山システム部
About ore deposit evaluation
About British Columbia
About Mine estimation
About Metallic ore deposit
About カナダ
About 鉱床
About 地質
About 統計学
About 密度