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List of geological units in Yamanashi prefecture

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

Photographs of geological units in Yamanashi prefecture

Jurassic (201.3-145.0 Ma)
Chichibu belt
Cretaceous (145.0-66.0 Ma)
Torinosu limestone
Shimanto Belt
Ogochi Group
Happyakudani Unit
Koreisan Unit
Masutomi Group
Shirane Group
Sumatagawa Group
Inui Group
Paleogene
Shimanto Belt
Mikura Group
Hogawa Formation
Kobotoke Group
Kosuge Unit
Paleocene-Eocene
Shimanto Belt
Southern Shimanto belt
Sagamiko Group
Gongenyama Unit
Eocene-Oligocene
Shimanto Belt
Southern Shimanto belt
Sagamiko Group
Seto Formation
Miocene (23.03-5.33 Ma)
Kofu Granodiorite Complex
Kawaura type
Kogarasu type
Ashikawa type
Tokuwa type
Mitakeshosenkyo type
Sampo Granodiorite
Taragatoge Volcanic Rock
Shimanto Belt
Southern Shimanto Belt
Setogawa Group
Harukegawa Formation
Sumise Formation
Amehatagawa Formation
Oigawa Group
Ryuso Group
Koma Group
Momonoki Subgroup
Mogura Formation
Oharano Formation
Kushigatayama Subgroup
Fujimiyama Formation
Jikkoku Formation
Arakura Formation
Nishiyatsushiro Group
Ichikawadaimon Formation
Ubaguchi Dacite Member
Sakuratoge Pyroclastics Member
Shibire Tuff Breccia Member
Kawaguchi Formation
Tenjintoge Granulestone and Mudstone member
Kuboi Limestone
Oishi Dacite Member
Junigatake Lapilli Tuff Member
Kawaguchi lapilli tuff member
Mitsutoge conglomerate member
Ashigawa Formation
Takahagi Basalt Member
Orikado Basalt and Mudstone Member
Kurosawa Basalt and Mudstone Member
Yamaho Mudstone and Tuff Member
Ichinose Formation
Onazaka Tuff Member
Shoji Basalt and Mudstone Member
Kanzaka Mudstone Member
Onuma Formation
Onuma Formation (Onuma tuff bed)
Tokiwa Formation
Byobuiwa Tuff Member
Deguchi Sandstone and Mudstone Member
Tsukimibashi Volcaniclastic Member
Kamiisshiki Volcanic Breccia Member
Wadaira Tuff Member
Kanzaka Mudstone Member
Furusekigawa Formation
Gotenyama Formation
Funayama Mudstone Member
Kayanokitoge Basalt Member
Nishinorigawa Formation
Nishikatsura Group (Katsuragawa group)
Furuya formation)
Katsuragawa formation (Iwadonoyama formation)
Shimada formation
Uenohara formation
Nakamagawa formation
Hinate pyroclastic rocks
Tsuru Group
Tanzawa group
Takagawayama andesite
Kaikoma Granite
Hoo Granite
Tsuburai Body
Miocene-Pliocene
Fujikawa Group
Akebono Formation
Yogosawa Conglomerate Member
Kawadaira Mudstone Member
Osozawa Sandstone Member
Teuchizawa Breccia Member
Aimata Formation
Karasumoriyama Volcaniclastic rocks Member
Takatori Volcaniclastic rocks, Sandstone and Mudstone Member
Shinoisan Member
Tokuma Member
Kuonji Formation
Hara Formation
Minobu Formation
Seigo Volcaniclastic Member
Hakii Interbeds of Sandstone and Mudstone Member
Yagisawa Mudstone Member
Marutaki Conglomerate Member
Omorozawa Member
Yorihata Member
Utsubuna Member
Shimobe Formation
Uenotaira Interbeds of Volcaniclastic rocks, Conglomerate and Sandstone Member
Takenoshima Interbeds of Sandstone and Mudstone Member
Koutsubuna Member
Toinosawa Member
Manzawa Formation
Fukushi Member
Machiya Member
Manzawa Member
Toshima Member
Shizuoka Formation
Tsukiyo Member
Oritsuki Member
Kaibushi Member
Hamaishidake Formation
Okuyama Member
Kawaino Member
Ishiai Member
Kangatake Member
Aimata Intrusive Rocks
Shimobe Intrusive Rocks
Sanogawa Intrusive Rocks
Shishinsan Intrusive Rocks
Pliocene (5.33-2.58 Ma)
Tanzawa Plutonic Complex
Higashi-Yamanashi Volcano-Plutonic Complex
Konarayama Volcanic Rocks
Odaira Welded Tuff
Kamiiwashita Lava
Tokuwa Volcanic Breccia
Nishibyodogawa Mudstone
Baba Welded Tuff
Mizugamori Volcanic Rock
Kubodaira Mudflow Deposit
Katayama Lava
Toiwa Pyroclastic Flow Deposit
Yamaguchi Pumice Tuff
Tsutsumigawa lahar deposit
Pleistocene (2.58- 0.01Ma)
Kurofuji Volcanics
Daimyojin Debris Deposit
Kayagatake Stratovolcano
Kanegatake Lava and Pyroclastic Rock
Onnaiwa Lava
Yoroiiwa Lava and Dike
Yoroiiwa Pyroclastic Flow Deposit
Kurofuji Dikes
Kurofuji Lava Domes
Kurofuji Pyroclastic Flow Deposit
Kurofuji 5th-stage Pyroclastic Flow Deposit
Kurofuji 4th-stage Pyroclastic Flow Deposit
Kurofuji 3rd-stage Pyroclastic Flow Deposit
Kurofuji 2nd-stage Pyroclastic Flow Deposit
Kurofuji 1st-stage Pyroclastic Flow Deposit
Tokusatoge volcano
Kengamine volcano
Makidaira Pyroclastic Flow Deposit
Fuji volcano
Komitake volcano
Kofuji volcano
Kofuji lahar deposit
Oshino lava
Komitake volcanic products
Yatsugatake volcanoes
Older period
Tatsubadani Lava
Otakisha Lava
Harayato Lava
Mitsugashira Lava
Kannondaira Lava
Gongendake Pyroclastic Rocks
Shinkyojisan Lava
Minoto Lava
Hirogawarazawa Lava
Kawamata Lava
Kobozaka Pyroclastic Rocks
Hirasawa Scoria
Nirasaki Debris Avalanche Deposits
Ojirogawa Mudflow Deposit
Younger period
Mount Amidadake
Amigasayama Lava
Mount Akadake
Akadake Lava
Kyoraishi Formation (Hakushu formation)
Sone Group
Hirasu Formation
Ontake-1 pumice bed (Pm-1)
Tokyo pumice bed
Shimosueyoshi loam bed
Kikai-Tozuhara tuff bed (K-Tz, Migakizuna-1 tuff bed)
Aira-Tn tuff bed (AT)
Blue coarse volcanic ash belt (BCVA)
Yamamiya Pumice Fall Deposit
Kennomine Pumice Flow Deposit
Ukeji Loam
Nakaya Loam
Jokoji Loam
Nirasaki Debris Avalanche Deposit
Hinoharu Formation
Kobuchizawa Formation
Higher Terrace Deposit, Kubodaira
Omokawa Formation
Middle Terrace Deposit, Kurobaira
Lower Terrace Deposit, Kubodaira
T1 River Terrace Deposit, Uenohara
Middle Terrace Deposit, Fujikawa river
Middle Terrace Deposit, Hakiigawa river
Middle Terrace Deposit, Akebono Fault
Lower Terrace Deposit, Fujikawa river
Yagisawatoge Formation
Holocene (0.01-0 Ma)
Fuji volcano
Shinfuji volcano
Old lava
Middle lava
New lava
Aokigahara lava
Kenmarubi lava
Hinokimarubi lava
Takamarubi lava
Tsuchimarubi lava
Gannoana lava
Saruhashi lava
Shinfuji volcanic products
Holocene tephra formation (HFT)
Fuji black humic ash (Fuji black soil)
Age unknown
Amehata Granite
Kofu plutonic rocks
Yashajintoge formation
Hirogawara formation
Kitazawa formation
Toyama andesite
Kobozaka formation
Shichiriiwa lahar deposit
Oki formation?
Jakotsuzawa formation
Tsurushima formation
Tsukiyono formation
Jokoji pumice flow deposit
Uenota formation
Ukeji formation
Kurashina formation
Kurashina loam bed
Nakaya loam bed
Terao formation
Hara formation
Saku formation
Kyoto dykes
Tsubakuro dyke
Ojiragawa lahar deposit
Inagako formation
Geological structures
Fossa magna
Itoigawa-Shizuoka tectonic line (Itoigawa-Shizuoka faults)
Arakura fault
Tonoki-Aikawa tectonic line (Tonoki-Aikawa faults)
Uenohara thrust fault (Ogiyama thrust fault)
Magi fault (Magi lateral fault)
Suwa-Fuji tectonic line
Median tectonic line
Sasayama tectonic line
Itsukaichi-Kawakami tectonic line
Kobuchizawa-Shizuoka tectonic line
Misaka faults
Koma faults
Kamanashigawa faults (Shiojiri-Nirasaki tectonic line)
Uenohara-Otsuki faults
Tsurushima fault
Doshigawa fault
Tsurukawa fault
Fujimiyama thrust fault (Akebono thrust fault)
Yunosawa fault
Kofu fault
Yashajin fault
Ohatayama fault
Shibireko fault
Kamiichinose fault
Inagako fault
Minobu thrust fault