Oki treasures and geopark sites List Geohistory
Number of Results: 45
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Rhyolite, Okutsudo Coast
This rhyolite was formed by lava ar…
Geohistory - Rocks from Volcanic Islands PeriodGeosites / Okinoshima Town -
Diatomaceous Earth
15-10 mln years ago, after the form…
Geohistory - Rocks from Continental to Sea Periods -
Green Tuff
Green tuff, found on theeast coast …
Geohistory - Rocks from Continental to Sea Periods -
Obsidian
Obsidian is a type of glass created…
Geohistory - Rocks from Volcanic Islands Period -
Oki Gneiss
Gneiss from 50 mln years ago is the…
Geohistory - Rocks from Continental to Sea Periods