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List of geological units in Kochi prefecture

A list of stratigraphic units, igneous bodies, and geological structures reported from Kochi prefecture, Shikoku region, Shikoku island, Japan.

Photographs of geological units in Kochi prefecture

Silurian - Devonian
Kurosegawa Belt
Yokokurayama Group
Devonian (419.2-358.9 Ma)
Kurosegawa Belt
Ochi Formation
Triassic (252.17-201.3 Ma)
Zohoin formation
Kawachigatani formation
Jurassic (201.3-145.0 Ma)
Southern Chichibu Belt
Ohirayama Unit
Togano Unit
Naradani Formation
Jurassic - Cretaceous
Southern Chichibu Belt
Sanbosan Unit
Torinosu Group
Cretaceous (145.0-66.0 Ma)
Kurosegawa Belt
Monobegawa Group
Nankai Group
Northern Shimanto Belt
Shinjogawa Group
Doganaro Formation
Shindoi Formation
Hayama Formation
Susaki Formation
Aki Group
Taisho Group
Shimotsui Formation
Nonokawa Formation
Okitsu Mélange
Sanbagawa Metamorphic Rocks
Oboke unit
Sanbagawa Metamorphic Rocks (after Aoki, 2019)
Besshi Unit
Asemigawa Unit
Oboke Unit
Oligocene (33.9-23.03 Ma)
Southern Shimanto Belt
Nabae Group
Hioki Complex
Oligocene-Miocene
Southern Shimanto Belt
Nabae Group
Shijujiyama Formation
Shiina Volcanic Rocks
Tsuro Formation
Maruyama Dolerite
Shijujiyama Dolerite
Neogene
Nothern Shimanto Belt
Aki Group
Tei Mélange
Miocene (23.03-5.33 Ma)
Misaki Group
Tatsukushi Formation
Hamamashino Formation
Yoro Formation
Murotomisaki Gabbro
Pleistocene (2.58- 0.01Ma)
Ogura Formation
Kawauchi Formation
Holocene (0.01-0 Ma)
Urado Formation