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List of geological units in Shimane prefecture

A list of stratigraphic units, igneous bodies, and geological structures reported from Shimane prefecture, Chugoku region, Honshu island, Japan.

Photographs of geological units in Shimane prefecture

Permian (298.9-252.17 Ma)
Nishiki Group
Jurassic (201.3-145.0 Ma)
Tamba Belt
Kanoashi Complex
Higuchi Group
Higuchidani Formation
Orojidani Formation
Cretaceous (145.0-66.0 Ma)
Kanmon Group
Sanin Belt
Mochigase stage volcanic rocks
Yakumo volcanic rock
Ochi Group
Hikimi Group
Mochigase intrusive rocks
Paleocene-Eocene
Sanin Belt
Older Inbi stage intrusive rocks
Asagaridani Granodiorite
Hobutsusan Granite
Kamiiwami Granite
Uchiidani Granophyre
Younger Inbi intrusive rocks
Daito Granodiorite
Ijimi Granite
Shimokuno Granite
Neu Granite
Abire Granodiorite
Abire intrusion
Yokota intrusion
Ryukoma intrusion
Otsukamiya Granite
Fube Granite
Ushirodani Granite
Akana Granodiorite
Onbara Granite
Hiyodori Granite
Inbi stage volcanic rocks
Daito volcanic rocks
Kamishima volcanic rocks
Gotsu volcanic rocks
Eocene (56.0-33.9 Ma)
Sanin Belt
Tamagawa stage volcanic rocks
Sakurae Formation
Eocene-Oligocene
Sanin Belt
Tamagawa stage volcanic rocks
Kawamoto Granodiorite
Kawamoto body
Mihara body
Kotani Formation
Kokubu Volcanic Rocks
Oligocene (39.0-23.03 Ma)
Sanin Belt
Tamagawa stage volcanic rocks
Komatsuji Formation
Toburodani Formation
Miocene (23.03-5.33 Ma)
Koura Formation
Udeyama Sandstone-dominated sandstone-mudstone Member
Shichirui Sandstone-dominated sandstone-mudstone Member
Takaoyama Andesitic volcaniclastics Member
Ui sandstone-mudstone Member
Josoji Formation
Aishiro Formation
Ushikiri Formation
Furue Formation
Daito formation
Masuda Group
Tanitadani formation
Togane Formation
Tatamigaura Sandstone Member
Kanaso Conglomerate and Sandstone Member
Anegahama Sandstone Member
Toganegawa Mudstone Member
Taisha formation
Tadaura formation
Wanibuchi formation
Bihoku group
Jinzai Formation
Jinzai Basalt
Matsue Formation
Matsue Basalt
Takashibuyama Formation
Fujina Formation
Kimachi Formation
Hikawa Formation
Omori Formation
Kuri Formation
Kawai Formation
Hata Formation
Sada Formation
Yoshida Plutonic Complex
Nodayama Plutonic Complex
Miocene-Pliocene
Wakurayama Dacite
Type I lava
Type II lava
Type III lava
Pliocene-Pleistocene
Tsunozu Formation
M4 formation
M3 formation
M2 formation
M1 formation
Jelly tuff bed
Oetakayama volcanoes
Pleistocene (2.58- 0.01Ma)
Daikonjima Basalt
Eshima Basalt
Yasugi Formation
Yumigahama Formation
Ym1 tuff bed
Ym2 tuff bed
Shigeguri Andesite
Kokubu Formation
Kisuki pumice bed (Koshibara pumice bed, Lower Sanbe tuff bed)
Daisen-Matsue pumice bed (Agenoki pumice bed)
Fujina formation
Kimachi formation
Noshira formation
Nogi formation
Yamamawari formation
Sashiumi formation (Yumachi formation)
Okudani formation
Oba formation
Upper Daisen tuff bed (DU)
Kurayoshi (DK, Middle Daisen tuff bed)
Lower Daisen tuff bed (DL)
Lowest Daisen tuff bed
Kandogawa pumice bed (K1)
Ishitani formation
New sand dune deposit (Izumo sand dune deposit)
Myoken formation
Ikeda formation
Ikeda tuff bed (I2)
Ikeda pumice bed
Koyahara tuff bed
Old Sanbe volcano
Ota formation
Ota tuff bed
New Sanbe volcano
Hikageyama lava
Sambe-Ukinuno Tephra
Bafun pumice bed
Iinan tuff bed
Shigaku tuff bed
Shigaku pyroclastic flow deposit
Old sand dune deposit (Izumo sand dune deposit)
Sotozono formation
Sakaiminato formation
Mizoguchi formation
Mikuriya formation
Yokota plant deposit
Yura formation
Holocene (0.01-0 Ma)
Nakaumi Formation
New sand dune deposit (Izumo sand dune deposit)
Hamayama formation
Tsunoi tuff bed
New Sanbe volcano
Sanbe lava
Ohirayama tuff bed
Ohirayama pyroclastic flow deposit
Chojabara pyroclastic flow deposit
Investigation in progress
Tanoharagawa formation
Otsukayama scoria bed
Ogi Quartz Diorite
Obara Tonalite
Geological structures
Fukuura anticline