List of geological units in Toyama prefecture

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

Photographs of geological units in Toyama prefecture

Carboniferous (358.9-298.9 Ma)

Renge Belt: Renge Metamorphic Rocks (Omi Metamorphic Rocks)

Permian (298.9-252.17 Ma)

Shiroumadake Formation

Permian-Triassic

Hida Belt

Hida Metamorphic rocks

Miyagawa Mass: Karahoriyama Formation; Sugihara Formation; Akusedani Formation; Hionotani Formation; Nishinomata Formation; Koshirakimine Formation; Mizunashi Formation; Kongodo Formation; Koshimizu Formation; Shimaji Formation; Kamimomose Formation; Magawadani Formation

Hida Granitoids

Hida Older Granites

Eastern part

Central part: Kumanogawa-Nagatogawa Gabbroic Complex

Western part

Sekidosan Granite

Funatsu Granitic Rocks

Usunami Granite

Shomyo Granodiorite

Arimine Granodiorite

Mitsumatarenge Gabbroic Rocks

Washibadake Granite

Omaki Diorite

Hashigodan-nokkoshi Metamorphic Rocks

Iwaidani Mylonite

Triassic (252.17-201.3 Ma)

Hida Belt

Hida Metamorphic rocks

Unazuki Metamorphic Rocks

Koshiji Formation: Okubo mass

Hida Granitoids

Hida Older Granites: Unazuki Granite; Funakawa Granite; Oitsurushiyama Granite; Otodani Gabbro

Eboshiyama Mylonite

Jurassic (201.3-145.0 Ma)

Negoya Formation: Aisawadani Member

Kitamatadani Formation

Jogodani Formation

Tetori Group: Arimine Formation; Kiritani Formation; Magawa Formation

Hida Belt

Hida Granitoids

Hida Younger Granites

Funatsu Granite: Kekachidake Granite; Hayatsukigawa Granite; Okumayama Granodiorite; Sugodan Granite

Yatazodani Quartz Diorite

Cretaceous (145.0-66.0 Ma)

Nohi rhyolites

Tetori Group: Kurobishiyama Formation; Mizukamidani Formation

Jinzu Group

Shiroiwagawa Formation

Inotani Formation: Yakushizawamigimata Conglomerate Member; Minamimatadani Conglomerate Member; Nakanomatanokkoshi Sandstone Member

Ioridanitoge Formation

Kitamatadani Granodiorite

Tsurugi-dake Granite

Kitanomatadake Diorite

Kurobegorodake Diorite

Shiritakayama Formation

Uchiyama Formation

Yakushidake Rhyolites

Masagodake Body

Akagizawa Dikes

Paleogene

Eboshiyama Formation

Paleocene (66.0-56.0 Ma)

Oku-kurobe Granite

Ariake Granite

Oyamadan Granite

Paleocene-Eocene

Futomiyama Group: Hirasawa Rhyolite

Miocene (23.03-5.33 Ma)

Tori Conglomerate

Usunaka Rhyolite

Nirehara Formation: Imozu Conglomerate Member; Ashiu Sandstone Member; Myogashima Alternation Member; Tazo Sandstone Member

Yatsuo Group

Mio Sandstone Member

Nakanami Mudstone Member

Upper Shingu Sandstone and Conglomerate Member

Kakefuda Sandstone Member: Kunimi Mudstone Member

Sekidosan Conglomerate Member

Higashibessho Formation

Kurosedani Formation

Kurosedani Formation: Yamadanaka Tuff

Iwaine Formation: Matsukura Tuff Breccia Member; Shirokurayama Mudstone Member; Shohayatsukigawa Conglomerate Member

Iozen Formation

Sogo Alternation of Tuffaceous Sandstone and Mudstone Member: Fuchigaya Tuff

Kareidani Alternation of Sandstone and Mudstone Member

Sengoku Mudstone Member

Kono Sandstone Member

Goi Mudstone Member

Tsubono Formation

Shakusenji Formation

Fukuhira Formation: Kosuganuma Volcanic Breccia Member; Gomado Tuff Breccia Member; Hirakidani Pumice Tuff Member; Jogahirayama Dacite Member; Kadogawa Andesite Member; Tokurayama Volcanic Breccia Member; Mekka Pumiceous Tuff Member; Orido Tuff Member; Furukakuma Sandstone Member

Oiwa Tuff Member

Omine Mudstone Member

Doyama Tuffaceous Member

Tochizu Alternation of Sandstone and Mudstone Member

Kashinoki Conglomerate Member

Joyama Mudstone Member

Monmyoji Alternation of Sandstone and Mudstone Member

Muromaki Conglomerate Member

Mitani Mudstone Member

Shiotani Sandstone Member

Zasunbo Alternation of Conglomerate, Sandstone and Mudstone Member

Hosuikyo Tuff Breccia Member

Tonami Group

Otogawa Formation: Kuzuba Alternation Member; Sugata Mudstone Member; Ogume Sandstone Member; Sunayama Sandstone Member; Horakuji Sandstone Member; Zukawakosen Sandstone Member; Shimonaka Sandstone Member; Kojiro Tuffaceous Sandstone Member; Kawata Sandstone Member; Torikura Mudstone and Sandstone Member; Iwaodaki Tuffaceous Sandstone Member; Nishihirotani Sandstone Member; Hokone Gravel-bearing Siltstone Member; Kuwanoinkosen Alternation of Sandstone and Mudstone Member; Hachibuse Sandstone Member; Aoidani Mudstone Member; Nishitoyama Sandstone Member; Kurahara Sandstone Member; Kamidaki Sandstone Member; Jono Sandstone and Conglomerate Member; Hirabayashi Sandstone Member

Tenguyama Formation

Tenguyama Formation: Wadagawabashi Conglomerate Member; Senkoji Sandstone Member

Miyajima formation

Pliocene (5.33-2.58 Ma)

Junicho Formation

Ao formation

Sakiyama formation

Takakubo Formation: Horinji Fossil Bed

Muroda Formation

Himi Formation

Murakami Siltstone Member

Yabuta Formation

Itaya Sandstone and Siltstone Member

Zukawa Sandstone Member

Omma Sandstone Member: Shiroyama Tuff

Jokoji Mudstone Member

Yada Sandstone Member

Futakami Siltstone Member

Chokeiji Sand Member

Anyobo Sandstone and Mudstone Alternation Member

Kurobe-bessan Granite: Shiaidan type; Kuranosukedan type

Nanakura Igneous Complex

Daikokudake Granodiorite

Kosubarisawa Granite

Azoharatoge Granodiorite Porphyry

Kasayaburi Pumiceous Tephra

Pliocene-Pleistocene

Mita Formation: Taniguchi Tuff; MT2 Tuff; Shimose Tuff; MT1 Tuff

Hinokitoge Gravel Bed

Pleistocene (2.58- 0.01Ma)

Tofukuji formation

Tateyama volcano

Stage 3: Tamadono Lava; Tenguyama Lava; Kunimidake Lava; Mimatsudaira Lava; Matsuotoge Lava; Ninodan Lava

Stage 2: Shomyodaki Pyroclastic Flow Deposit; Zaratoge Welded Pyroclastic Rocks

Stage 1b: Nakanodani Lava; Upper Washidake Lava; Mizutani Lava; Zaimokuzaka Lava; Lower Washidake Lava; Dashiwaradani Lava; Arimine Tunnel Lava

Stage 1a

Yukawadani Volcanic Rocks

Kaminoroka Volcanic Rocks: Yakushimidaira Dacite; Yomiurishindo Andesite; Kuchimotonotarusawa Dacite; Sugonokkoshi Andesite; Sugosawa Dike

Magawa Lacustrine Deposits

Mikurigaike Gravel Bed

Murodo Gravel Bed: Gravel Bed I; Gravel Bed II; Gravel Bed III; Gravel Bed IV

Midagahara Mudflow Deposit

Daisen-Kurayoshi tephra bed

Jiigatake-Shirasawatengu Caldera Complex

Jiigatake Caldera

Jiigatake Volcanics

Kurobe-gawa Granite: Upper Unit; Middle Unit; Lower Unit; Nekomata Granite; Keyakidaira Diorite; Meiken Diorite; Daikoku Diorite; Jujikyo Diorite; Kanazawa Granodiorite

Hanyu Formation

Hongo Lahar Deposit

Renge-dake Granodiorite

Kumonotaira volcano: Kumonotaira Lava; Jiidakejobu Agglutinate; Jiidake Lava; Jiidakekabu Agglutinate; Kumonotaira Conglomerate; Iwakokekotani Lavas

Warimodake Andesite

Asahiyama Terrace Deposit: Asahiyama Shell Bed

Yokoo Formation

Miyazaki Formation

Higher Dissected Fan Deposits: Ia; Ib; Ic

U-1 Tephra

Kamitako Gravel and Clay

Kubo Sand

Ichinomiya Gravel Bed

Fushiki Gravel Bed

Takaoka Gravel Bed

Kurehayama Gravel Bed: Taniguchi Tuff Bed

Imizu Formation: Taikoyama Pyroclastic Member; Hinomiya Gravel, Sand and Mud Alternation Member; Kureha Pyroclastic Member; Kitadai Sand Member; Togechaya Gravel, Sand and Mud Alternation Member

Ecchu Loam

Takamineyama volcano

Lower Dissected Fan Deposits

Junikanno Terrace Deposits

Shiroyama Terrace Deposits

Tanayama Terrace Deposits

Otozawa Terrace Deposits

Funamino Terrace Deposits

Shogawa Gravel Bed

Chokushizuka Gravel Bed

Tomosaka Gravel Bed

Sakainoshin Gravel Bed

Wadagawa Terrace Bed

Sugusaka Terrace Deposits

Osawano Terrace Deposits

Sasazu Terrace Deposits

Iwaki Terrace Deposits

Lower Terrace Deposits, Imizu

Higher gravel and sand beds, Kanda

Higher Terrace Deposits, Yamadagawa river

Higher Terrace Deposit, Joganjigawa river

Lower Terrace Deposit, Joganjigawa river

Higher Fluvial Terrace Deposits, Hayatsukigawa river

Middle Fluvial Terrace Deposits, Hayatsukigawa river

Lower Fluvial Terrace Deposits, Hayatsukigawa river

Higher Terrace Deposit, Jinzugawa river

Middle Terrace Deposit, Jinzugawa river

Lower Terrace Deposit, Jinzugawa river

Holocene (0.01-0 Ma)

Tateyama volcano

Stage 4

Jigokudani Accessory Tephras

Jigokudani Accessory Tephra 1

Jigokudani Accessory Tephra 2

Jigokudani Accessory Tephra 3

Jigokudani Accessory Tephra 4: Unit 1; Unit 2; Unit 3; Unit 4

Banded sulphur deposit

Uozu buried forest

Shibakusa buried forest

Kurobegawa Fan Deposit

Older Debris Avalanche Deposits, Tateyama volcano

Younger Debris Avalanche Deposits, Tateyama volcano

Urayama Terrace Deposits

Sakai Terrace Deposits

Lowest Fluvial Terrace Deposits, Hayatsukigawa river

Age unknown

Shirakawa granites

Nishikanaya formation

Moridera formation

Odomari formation

Nakada formation

Kudenhama formation

Aira-Tn tuff bed

Geological structures

Kurobishiyama fault

Oyashirazu fault

Atotsugawa fault

Yokoyama-Nirehara thrust fault (Yokoyama thrust fault)

Kurehayama fault

Takashozu fault

Horinji fault

Kazura fault

Inotani anticline

Inotani syncline

Tomosaka unconformity