About KULANGE B J
About Univ. Tsukuba, Ibaraki, JPN
About KAJIWARA Y
About Univ. Tsukuba, Ibaraki, JPN
About KOMURO K
About Univ. Tsukuba, Ibaraki, JPN
About Resource Geology
About zinc sulfide
About Papua New Guinea
About Metallic ore deposit
About パプアニューギニア
About Cu
About Fe
About 亜鉛硫化物
About 化学的特性