Japan
Akita Prefecture
Kazuno City
Osarizawa mine
Ehime Prefecture
Inland Sea
Iwagi Island
HokkaidÅ Prefecture
Ishikari Subprefecture
Sapporo City
Teine Mine
Honshu Island
Chubu Region
Aichi Prefecture
Shinshiro city
Nakauri mine
Chugoku Region
Okayama Prefecture
Takahashi City
Bitchu-cho
Fuka mine
Kinki Region
Shiga Prefecture
Konan City
Ishibe
Haiyama quarry
Kyushu Region
Nansei Archipelago
Kagoshima Prefecture
Mishima village
Satsuma-Ioujima
Saga Prefecture
Karatsu City
Hizen-cho
Tokyo Prefecture
Izu Archipelago
Hachijo Island