Okidaito-jima (Oki Daitou; Rasa-tou; Rasa island), Daito Islands, Shimajiri District, Okinawa Prefecture, Japan

Okinawa Prefecture

Abyss vent, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

Gypsum,Montmorillonite,Quartz,Sulphur

Yonaguni Knoll IV Hydrothermal Field

Okinawa Prefecture

CLAM hydrothermal field, Iheya Ridge, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

Calcite,Manganese-bearing Calcite,Chalcopyrite,Pyrite,Rhodochrosite,Calcium-bearing Rhodochrosite,Sphalerite

Iheya Ridge

Okinawa Prefecture

Hakurei vent, Izena Cauldron, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

Anglesite,Baryte,Cerussite,Galena,Geocronite,Isocubanite,Jordanite,Mimetite,Pyrargyrite,Pyrite,Pyrrhotite,Sphalerite,Sulphur

Izena Cauldron

Okinawa Prefecture

Iheya North hydrothermal field, Okinawa Trough, Okinawa Prefecture, Japan

Anhydrite,Arsenic,Arsenopyrite,Baryte,Calcite,Chalcopyrite,Chlorite Group,Clinochlore,Covellite,Freieslebenite,Galena,Graphite,Gypsum,Kaolinite,Marcasite,Montmorillonite,Muscovite,Illite,Pyrite,Quartz,Realgar,Rhodochrosite,Sphalerite,Sulphur,Tennantite Subgroup,Tetrahedrite Subgroup,Wurtzite

Okinawa Trough

Okinawa Prefecture

Iheya North knoll hydrothermal field, Iheya Ridge, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

Chalcopyrite,Galena,Marcasite,Pyrite,Sphalerite,Tetrahedrite Subgroup,Wurtzite

Iheya Ridge

Okinawa Prefecture

Iheya Ridge, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

Calcite,Manganese-bearing Calcite,Chalcopyrite,Galena,Marcasite,Pyrite,Rhodochrosite,Calcium-bearing Rhodochrosite,Sphalerite,Tetrahedrite Subgroup,Wurtzite

Okinawa Trough