About GENA K
About Akita Univ., Akita, JPN
About MIZUTA T
About Akita Univ., Akita, JPN
About ISHIYAMA D
About Akita Univ., Akita, JPN
About URABE T
About Univ. Tokyo, Tokyo, JPN
About Resource Geology
About ocean basin
About Papua New Guinea
About Metallic ore deposit
About パプア・ニューギニア
About 背弧海盆
About 酸性
About 熱水変質作用
About 鉱化作用