About MURAKAMI RYOSUKE
About サンタルイサ鉱業
About YAMANAKA KAZUHIKO
About GOMI ATSUSHI
About FUJII NOBORU
About 三井金属資源開発
About Republic of Peru
About mine
About magmatic deposit
About copper
About lead
About zinc
About silver
About prospecting by drilling
About skarn deposit
About ワンサラ
About prospecting by drilling
About Economic geology in general
About Metal mines,mineral resources
About ペルー
About 鉱山
About 探鉱
About 深部
About 発見