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List of geological units in Oita prefecture
A list of stratigraphic units, igneous bodies, and geological structures reported from Oita prefecture, Kyushu region, Kyushu island, Japan.
Photographs of geological units in Oita prefecture
- Silurian-Triassic
- Chichibu belt
- Urashiro formation
- Silurian-Carboniferous
- Chichibu belt
- Usuki formation
- Permian (298.9-252.17 Ma)
- Asaji Metamorphic Rocks
- Hikata Unit
- Triassic - Jurassic
- Southern Chichibu Belt
- Tsukumi Unit
- Youra Unit
- Youra Formation
- Enoura Formation
- Chinnanzan Unit
- Okugawachi Unit
- Ozono Unit
- Hikonouchi Unit
- Shakumasan Unit
- Yukagi Unit
- Jurassic (201.3-145.0 Ma)
- Tsui Formation
- Jurassic - Cretaceous
- Torinosu Group
- Cretaceous (145.0-66.0 Ma)
- Sanbagawa belt
- Onogawa Group
- Umibe? formation
- Ryozen Formation
- Soyo Formation
- Kurosegawa Belt
- Pre-Sotoizumi Group
- Sukubo Formation
- Asaji Metamorphic Rocks
- Ultramafic Unit
- Chokai Unit
- Nioki Granite
- Watada Granodiorite
- Kinegaharu Diorite
- Yamanaka Granodiorite
- Cretaceous-Paleogene
- Northern Shimanto Belt
- Tonegawa Unit
- Paleogene
- Mitate formation
- Neogene
- Sobosan volcanic rocks
- Miocene (23.03-5.33 Ma)
- Usa group
- Kankaiji volcanic rocks
- Tsukinoki formation
- Kitasakamoto formation
- Hikosan? formation
- Ohno Volcanic Rocks
- Koguraki Tuff
- Miyakeyama Pyroclastic Flow Deposit
- Daisangoyama Andesite
- Shiraiwasan Pyroclastic Flow Deposit
- Mure Conglomerate Bed
- Miocene-Pliocene
- Kusu group
- Nogami formation
- Hosenji formation
- Pliocene (5.33-2.58 Ma)
- Togamitake volcanic rocks
- Tsubusagawa Formation
- Pliocene-Pleistocene
- Hohi volcanic products
- Chikushi lava
- Shakagatake group
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- Yabakei formation
- Oita group
- Oga formation
- Hiji formation
- Pleistocene (2.58- 0.01Ma)
- Haneyama rhyolite (Haneyama lava)
- Oita group
- Tsurusaki formation
- Kokonoe group
- Ozai formation
- Joharu formation
- Yabakei welded tuff bed
- Chikushi lava
- Takanosuyama lava
- Kanagoe lava
- Haneyama lava
- Ojika volcanic rocks
- Otobaru volcanic rocks
- Himeshima formation
- Karato formation
- Maruishibana formation
- Himeshima volcano
- Morose lava
- Hashiragadake lava
- Yahazu lava
- Shiroyama lava
- Darumayama lava
- Maki formation
- Hamawaki formation
- Yufugawa pumice flow deposit
- Sanin volcanic rocks
- Early Sanin volcanic rocks
- Omureyama lava
- Futagosan lava (Futagosan andesites)
- Yajibara lava
- Sendodake lava
- Imiyama lava
- Inomureyama lava
- Minakuchiyama volcanic rocks
- Ogoshiyama volcanic rocks
- Takasakiyama volcanic rocks
- Late Sanin volcanic rocks
- Miikehira lava
- Okudaiyama lava
- Akane formation
- Sakaigawa volcanic rocks
- Yufudake volcanic rocks
- Tsurumidake volcanic rocks
- Kobirayama volcanic rocks
- Ohirayama Otokodake? volcanic rocks
- Kabushidake lava
- Oninomiyama volcanic rocks
- Handa pumice flow deposit (Narukogawa pumice flow deposit)
- Aso welded tuff bed
- Aso-1 volcanic products (Aso-1)
- Aso-1 pumice bed
- Aso-1 pyroclastic flow deposit
- Aso-2 volcanic products (Aso-2)
- Aso-2V pumice bed
- Aso-2R pyroclastic flow deposit
- Aso-2TL pumice bed
- Aso-2A pyroclastic flow deposit
- Aso-2B pyroclastic flow deposit
- Aso-2T scoria bed
- Aso-3 volcanic products (Aso-3)
- Aso-3W pumice bed
- Aso-3A pyroclastic flow deposit
- Aso-3B pyroclastic flow deposit
- Aso-3C pyroclastic flow deposit
- Aso-4 volcanic products (Aso-4)
- Aso-4A pyroclastic flow deposit
- Aso-4B pyroclastic flow deposit
- Hyugami lava
- Imaichi pyroclastic flow deposit
- Miyagi pyroclastic flow deposit
- Tamaraigawa lava
- Takasumi tuff breccia
- Onisugi tuff breccia
- Hikosan lava
- Age unknown
- Ryoke belt
- Ryoke metamorphic rocks
- Yakkangawa formation
- Setouchi volcanic rocks
- Maji andesites
- Kurokiyama formation
- Inabagawa lahar deposit
- Aso volcano
- Center cone deposit
- Kuju pumice flow deposit
- Kokonoe volcano
- Oike lava
- Tonohara lava
- Dainoyama lava
- Kitasenri lava
- Kurotake lava
- Mimatayama lava
- Kujusan lava
- Kuroiwasan lava
- Narukoyama lava
- Shirakuchidake lava
- Taisenzan somma lava
- Gakurokuji lava
- Komekubo lava
- Taisenzanminami lava
- Hiijidake lava
- Iriyama lava
- Takanosu lava
- Kamiyuzawa? lava
- Shimoyuzawa? lava
- Nukumi lava
- Matsubara lava
- Taio group
- Gose formation
- Osoba formation
- Suiseigan formation
- Nakatsue granites
- Ishiba conglomerate
- Maetsue group
- Shitazuri lava
- Sakanoshita pyroclastic flow deposit
- Akaishi andesites
- Ono rhyolites
- Geological structures
- Median tectonic line
- Oita-Kumamoto tectonic line
- Usuki-Yatsushiro tectonic line
- Tsui-Kiura tectonic line
- Asamigawa-Yufuin fault
- Tateishi graben