The Oki Islands, part of Daisen-Oki National Park, are recognized as a UNESCO Global Geopark for their internationally valuable geological heritage and unique ecosystem. When enjoying outdoor activities such as hiking or marine sports, please respect the environment around you, be mindful of the local wildlife, and ensure your safety at all times.
Click on this link for more information on points to be mindful of and wildlife to be cautious of in the Oki Islands.
Oki treasures and geopark sites List Geohistory「Rocks from Continental to Sea Periods」
Before you embark on your adventure: Cherish the rare environment and be cautious of dangerous plants and animals.
Number of Results: 11
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Oki Gneiss, Chōshi Dam
This rock serves as evidence that J…
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Lake Sediments and Volcanic Rocks, Jōdogaura Coast
Jōdogaura Coast is designated as a …
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Quarry Site, Kōji
Here you can observe rock layers fo…
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Banded Mudstone Strata, Minaichi
Here you can see numerous rock laye…
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Fossil Site, Utagi
Here you can observe fossils from a…
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Diatomaceous Earth, Shionohama Beach
Here you can see diatomaceous earth…
Geohistory - Rocks from Continental to Sea PeriodsGeosites / Okinoshima Town -
Lacustrine Deposits
20 million years ago, before the Se…
Geohistory - Rocks from Continental to Sea Periods -
Fossils
The Ichibu area in Nishinoshima Isl…
Geohistory - Rocks from Continental to Sea Periods -
Diatomaceous Earth
Around 15–10 million years ago, aft…
Geohistory - Rocks from Continental to Sea Periods -
Green Tuff
Green tuff, found on the east coast…
Geohistory - Rocks from Continental to Sea Periods -
Oki Gneiss
This gneiss (metamorphic rock) from…
Geohistory - Rocks from Continental to Sea Periods