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List of geological units in Miyagi prefecture

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

Photographs of geological units in Miyagi prefecture

Cambrian (541-485.4 Ma)
Motai-Matsugadaira Belt
Marumori Metamorphic Rocks
Paleozoic
Wariyama Metamorphic Rocks
Carboniferous (358.9-298.9 Ma)
Takezawa group
Wariyama Granite
Permian (298.9-252.17 Ma)
South Kitakami Belt
Kurosawa Formation
Kamiyasse Formation
Hoso-o Formation
Nakadaira Formation
Suenosaki Formation
Tanoura Formation
Sakamotozawa Formation
Kanokura Formation
Toyoma Formation
Usuginu Formation
Usuginu Conglomerate
Tenjinnoki Formation
Yamazaki Conglomerate Member
Nishikori Formation
Senmatsu Formation
Okago Formation
Shinden Formation
Higashifukakaya Formation
Iwaisaki Formation
Oyakejima Formation
Kobama Limestone
Triassic (252.17-201.3 Ma)
South Kitakami Belt
Shizukawa-Hashiura Subbelt
Inai Group
Isatomae Formation
Fukkoshi Formation
Osawa Formation (Onnagawa formation)
Hiraiso Formation
Saragai Group
Chonomori Formation
Shindate Formation
Rifu Formation
Jurassic (201.3-145.0 Ma)
South Kitakami Belt
Shizukawa-Hashiura Subbelt
Shizukawa Group
Hosoura Formation
Mizunuma Formation
Niranohama Formation (Okawa formation)
Uchinohara Formation
Hashiura Group
Sodenohama Formation
Arato Formation
Aratozaki Formation
Nagao Formation
Nakahara Formation
Owada Formation
Ojima Formation
Karakuwa-Oshika Subbelt
Karakuwa Group
Tsunagizaka Formation
Kosaba Formation
Shishiori Group
Kogoshio Formation
Mone Formation
Ishiwaritoge Formation
South Kitakami Belt
Ojika Group
Ayukawa Formation
Kiyosaki Sandstone Member
Oginohama Formation
Fukkiura Shale and Sandstone Member
Kozumi Shale Member
Makinohama Sandstone Member
Kitsunesaki Sandstone and Shale Member
Tsukinoura Formation
Samuraihama Shale Member
Tsukinoura Sandstone Member
Kukunari Formation
Somanakamura Group
Nakanosawa Formation
Awazu Formation
Cretaceous (145.0-66.0 Ma)
Niitsuki Formation
Nagasaki Formation
Isokusa Formation
Oshima Group
Yokonuma Formation
Kanaigaura Formation
Kanayama Formation
South Kitakami Belt
Ojika Group
Ayukawa Formation
Domeki Sandstone Member
Futawatashi Shale Member
Kobitawatashi Sandstone and Shale Member
South Kitakami Belt
Ofunato Subbelt
Massaki Group
Ofunato Group
Jusanhama Group
Tatsugami Formation
Yoshihama Formation
Yamadori Formation
Upper Basalt Lava Member
Lower Andesitic Volcaniclastics Member
Basaltic Volcaniclastics Member
Minamioshika group
Yamadori formation
Takase Granite
Kinkasan Granitic Rocks
Kinkasan Metamorphic Rocks
Kitakami mountains plutonic rocks
VIa Zone
Ashi-jima Mass
VIb Zone
Orikabe Plutonic Complex
Harioka Mass
Ohta Mass
Tatebitoge Mass
Okayazawa Mass
Main Body
Yatamaru Body
Ojika Mass
Hamada Mass
Numazu Mass
Sobanokami Mass
Kasagai-jima Mass
Rifu Granitic Rocks
Marumori Granitic Complex
G1
G2
G3
G3'
Kiyotaki Ultrabasic Rocks
Paleogene-Neogene
Gobanshoyama formation
Kurikoma volcano
Osawahigashi lava
Shinyuguchi lava
Jyukai line lava
Higashikurikoma lava
Tsurugidake lava dome
Miocene (23.03-5.33 Ma)
Shida Group
Omatsuzawa Formation
O1
Bangamoriyama Formation
Upper Member
Lower Member
Kashimadai Formation
Hataya Formation
Shirasakayama Tuff Member
Mitsuya Formation
Nemari Tuffaceous Sandstone Member
Upper Member
Lower Member
Neko Formation
Nanakita Formation
Shinzan tuff member (Miyatoko tuff member)
Aoso Formation
Nagao Sandstone Member
Irisugaya Formation
Oido Formation
Nonodake Pyroclastic Member
Oido Sandstone Member
Wabuchi Conglomerate Member
Oido Tuffaceous Sandstone Member
Asahiyama Andesite Member
Kakeyama Conglomerate Member
Matsushimawan Group
Otsuka Formation
Siltstone Sandstone Member
Diatomaceous Siltstone Member
Tuffaceous Sandstone Sandy Siltstone Member
Siltstone Member
Katsurajima Breccia Member
Matsushima Formation
Upper Pumice Tuff Member
Siltstone Member
Tuff Breccia Member
Middle Pumice Tuff Member
Lower Pumice Tuff Member
Ajiri Formation
Sauramachi Formation
Shiogama Formation
Toguhama Formation
Tsurugaya Andesite Member
Shiomidai Formation
Matsugahama andesite
Hatsuura formation
Shirasakayama tuff bed
Natori Group
Tsunaki Formation
Hayama member
Hatatate Formation
Moniwa Formation
Takadate Formation
Tsukinoki Formation
Tsukinoki Tuff
Nobiru tuff bed
Odogamori Dacite
Genbi Formation
Onomatsuzawa Formation
Hanayamazawa Formation
Shimokurosawa Formation
Tsukumo Sandstone Member
Kuzumine Formation
Hosokura Formation
Upper member
Propyrite member
Middle member
Rhyolite member
Ishikoshi Andesite
Yamairi Formation
Suezawa formation
Hanabuchi formation
Kanizawa formation
Takanosu formation
Kannonji formation
Ohira formation
Higashine group (Old Funagatayama volcanic rocks)
Kurobushi volcanic rocks
Shibakura volcanic rocks
Magino volcanic rocks
Osawa formation
Otsutsumi Formation
Akiu Group
Mitaki Formation
Shirasawa Formation
Itaoroshitoge Siltstone Member
Baba Tuff Member
Shirasakatoge Siltstone Member
Hirutadaki Tuff Member
Ryugane Shale Member
Nashino Formation
Yumoto Formation
Shirasawa group
Ohara formation
Mamezawa formation
Otemon formation (Yumoto formation)
Aoshita formation
Aokizawa member
Kanagase formation
Hatatate formation
Moniwa formation
Okunikkawa formation
Nojiri formation
Upper Nojiri formation
Myojinzawa member
Lower Nojiri formation
Arasawa member
Sakunami formation
Hikage formation
Nikkawa formation
Noguchi formation
Niijukutoge formation
Aone formation
Akaihata formation
Hachimoriyama volcanic rocks
Shichikasyuku formation
Itanabebashi member
Kannoniwa member
Shiroishi formation
Zaimokuiwa dacites
Oami formation
Akedo formation
Yokokawa formation
Yataroyama rhyolites
Fukuda formation
Yoshigasawa Formation
Hazama Formation
Kaneyama Formation
Upper Member
Lower Member
Ouchi Formation
Tenmyosan Volcanic Rocks
Shiote Formation
Tanabata formation
Edano formation
Handa formation
Mabune formation
Hatsuno formation
Osawa formation
Kurohanayama Volcano
Kurohanayama Lava
Sn Tuff
Os Tuff
O2 Tephra
O6 Tephra
O8 Tephra
O10 Tephra
Shimizu Tuff
Kanazu Tuff
Pliocene (5.33-2.58 Ma)
Sendai Group
Dainenji Formation
Mukaiyama Formation (Semine formation)
Main (Upper)
Hirosegawa Tuff Member
Main (Lower)
Kazawa Formation
Gobuta Tuff Member
Kazawa Lignite Member
Iikura Conglomerate Member
Tatsunokuchi Formation
Sakamoto member
Kameoka Formation
Tsukidate Formation
Toyomasawa Formation
Sanbongi Formation
Tawaraniwa Formation
Omotezawa Formation
Onuki Formation
Yamashita Formation
Nakayama Formation
Terauchi Formation
Tomegaya Formation
Kasagami Formation
Gobanshoyama Formation
Kuboma Formation
Ishigamori dacite
Oda formation
Monji formation
Rokkaku formation
Akasawa formation
Katayama andesite
Numai formation
Miyazawa formation
Kawakurazawa formation
Narukokyo formation
Okuda formation
Omori formation
Imotoge formation
Aoso volcanic rocks
Yakuraisan andesites
Pliocene-Pleistocene
Senganda Formation
Onoda Formation
Quarternary
Gosho volcanic rocks
Pleistocene (2.58- 0.01Ma)
Funagata Volcano
Jyagatake Lavas
Hanazomeyama Lavas
Ushiroshirahigeyama Upper Lavas
Mitsuminesan Lavas
Ushiroshirahigeyama Lower Lavas
Funagatayama Lavas
Early volcanic products
Nanatsumori Volcano
Ohatayama Pyroclastic Rocks
Akakuzureyama Lava
Ohatayama Lavas
Kamikadajin Lava
Nanatsumori Lava
Wakahata Formation
Miyatoko Tuff Member
Izumigatake Volcano
Arakawa Pyroclastic Rocks
Yoshinodaira Mudflow Deposit
Izumigatake-3 lava
Izumigatake-2 lava
Kitaizumigatake-2 lava
Kitaizumigatake-1 lava
Okurayama lava
Kuwanuma lava
Izumigatake-1 lava
Matsuzaki Formation
Hebita formation
Naruko volcano
Yanagisawa Tuff
Nizaka Tuff
Ichihasama Pumice
Iwadeyama Pumice
Naruko formation
Onikobe caldera
Katanuma lava (Kitagawa dacite)
Onikobe formation
Takahinatayama andesite
Kiyotaki formation
Nakazato tuff bed
Aobayama Formation
Koeji Volcanic Ash
Futatsuzawa Gravels
Dainohara Terrace Deposit
Sendai-kamimachi Terrace Deposit
Sendai-nakamachi Terrace Deposit
Zao volcano
Zao volcanic rocks
Kitazao volcanic rocks
1st stage
Yokokura lava
Hiyamizu lava
Jigokuzawa lava
Jizo lava
Sumikawa lava
Kumano lava
Upper Kumano lava
Lower Kumano lava
Sainokawara lava
Upper most Sainokawara lava
Upper Sainokawara lava
Middle Sainokawara lava
Lower Sainokawara lava
Katta lava
Ryuzan volcanic rocks
Minamizao volcanic rocks
2nd stage
Goshikidake Pyroclastic Rocks
Umanose Agglutinate
Komakusadaira Agglutinate
Kattadake Pyroclastic Rocks
Komakusadaira Pyroclastic Rocks
Kumanodake Agglutinate
Irisawa Formation
Shimoyamasato Tuff
Iketsuki Tuff
Takashimizu Formation
Umegasawa Pumice Tuff
Higashihara Formation
Embana Formation
Shimada Formation
Kamitaki Formation
Kitane Formation
Kawasaki scoria bed
Adachi-Medeshima Tuff Bed (Medeshima tuff bed)
Nagano Volcanic Ash
Toya tuff bed
Ontake tuff bed
Aso-4 tuff bed
Yasuzawa tuff bed
Aira tuff bed
Naruko-Katanuma tuff bed
Ojoji Tuff Bed
Hijiori Tuff Bed
Akakura Caldera Fill Deposit
Kannodai Formation
Ohayama Formation
Mimizukuyama Andesite
Nakayamadaira Caldera Fill Deposit
Shiwahime Terrace Deposit
Lower Terrace Deposit, Tsukidate
Higher Terrace Deposit, Hanakawa river
Middle Terrace Deposit, Hanakawa river
Lower Terrace Deposit, Hanakawa river
Lower Terrace Deposit, Yoshida river
Lowest Terrace Deposit, Yoshida river
Highest Terrace Deposit, Nanakita river
Higher Terrace Deposit, Nanakita river
Middle Terrace Deposit, Nanakita river
Lower Terrace Deposit, Nanakita river
4th Terrace Deposits, Kakuda
Holocene (0.01-0 Ma)
Sendai-shimomachi Terrace Deposit
Tagajo Volcanic Ash
Kama formation
Numamukai formation
Nakazone formation
Hibarino formation
Investigation in progress
Karosan Formation
Torageyama formation
Enden formation
Kasshoku tuff bed
Jogi formation (Yumoto formation)
Sendaitodake pyroclastic rocks
Geological structures
Hitokabe-Iriya tectonic line
Kinkasan tectonic line
Saruzawa-Ishinomaki tectonic line
Ishinomaki-Chokaisan tectonic line
Mochikorobi-Hosokura tectonic line
Shoko fault
Hakuho fault
Ogatsu fault
Mizunuma syncline
Oshika syncline