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List of geological units in Saitama prefecture

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

Photographs of geological units in Saitama prefecture

Paleozoic
Kazekuchi Formation
Permian (298.9-252.17 Ma)
Kinshozan Quartz Diorite
Jurassic (201.3-145.0 Ma)
Northern Chichibu Belt
Sumaizuku Unit
Hebiki Unit
Kazahayatoge Unit
Kamiyoshida Unit
Onagata Subunit
Kamiyoshida Subunit
Manba Subunit
Kashiwagi Unit
Tate Subunit
Hagidaira Subunit
Sakahara formation
Ogamata formation
Shimokuzu conglomerate
Southern Chichibu belt
Urayama group
Ryogami formation
Ishibune formation?
Jurassic-Cretaceous
Torinosu group
Torinosu limestone
Cretaceous (145.0-66.0 Ma)
Yoshimi metamorphic rocks
Shimanto Belt
Otaki Group
Koreisan formation
Tsuribashikoya formation
Tochimoto formation
Ogochi Group
Atokura Formation, Tochiya Formation
Atokura Conglomerate Member
Sanchu graben
Sanyama Formation
Sebayashi Formation
Ishido Formation
Shirai Formation
Takaoka formation
Yorii Plutonometamorphic Complex
Yorii Metamorphic Rocks
Mure Body
Kamiyokota Body, Nakakoya Body
Kinshozan Body
Orihara Body
Yamagata Body
Kanayamagawa Body
Cretaceous - Paleocene
Sanbagawa Belt
Mikabu Unit
Cretaceous-Paleogene
Kimochi formation
Paleogene-Neogene
Ogawa formation
Ogawamachi group
Gotanda formation
Kanizawa formation
Iida formation
Ichinokawa formation
Paleocene (66.0-56.0 Ma)
Ryoke Belt
Oppata Granite
Yorii Formation
Main Member
Hachigata Conglomerate Member
Yorii Welded Tuff
Oligocene (39.0-23.03 Ma)
Hikokubo group
Tomita formation
Shirasu formation
Moe formation
Miocene (23.03-5.33 Ma)
Imajuku Formation
Hatoyama Formation
Shogunzawa Formation
Okuda Tuff Bed
Shogunzawa Tuff Bed
Negishi Formation
Godo Formation
Yagii Formation
Tsuchishio Formation
Ichinokawa Formation
Aoiwa Conglomerate Member
Arakawa Formation
Hatakeyama Ttuff Bed
Kozono Formation
Nanasato formation (Nanasato tuff bed)
Fukuda formation
Akahira Group
Chichibumachi Formation
Saginosu formation
Hiranita formation?
Nagura formation
Kamiyokoze formation
Oganomachi Formation
Miyato formation
Yoshida formation
Sakurai formation
Nenokami formation
Nenokami Formation
Tomita Formation
Hakusa Formation
Osato group
Osawa coal bed
Kodama formation
Suwayama formation
Tachigase formation
Ushibuse formation
Obata formation
Idozawa formation
Pliocene-Pleistocene
Mizuho formation
Bushi formation
Kazusa Group
Sayama Formation
Yatsu Clay Member
Mitsugi Conglomerate Member
Pleistocene (2.58- 0.01Ma)
Imokubo Formation (Toyooka Formation)
Shimosa Group
Omiya Formation
Hanno formation
Upper member
Lower member
Yaoroshi tuff bed
Tokyo pumice bed (TP)
Aira-Tn pumice bed (AT)
Hachioji biotite pumice bed (HBP)
C1 pumice bed
Kanto loam formation
Tachikawa loam bed
Osato loam bed
Musashino loam bed
Tama loam bed
Yasudate loam bed
Shimosueyoshi loam bed
Hitsujiyama loam bed
Kaneko loam bed
Odamaki formation
Obaradai pumice bed (OP, Kuriyokan pumice bed, KuP)
Ontake-1 pumice bed (Pm-1)
Sanshoku Ice pumice bed (SIP)
Monomiyama formation
Asamiyama formation
Tokyo formation
Tokyo conglomerate formation
Narimasu formation
Tokorozawa formation
Une formation
Katazuna formation
Nukasuna formation
Orenge pumice bed
Champagne pumice bed
Kibami pumice bed
Hitsujiyama formation
Uguisuiro pumice bed (Pm-1?)
Uridane pumice bed (Pm-1?)
Taguro peat bed
Konan Tephra
Pleistocene-Holocene
Nanagochi Formation
Basal Gravel
Holocene (0.01-0 Ma)
Yurakucho Formation
Upper member
Lower member
Holocene Basal Gravel
Investigation in progress
Musashino formation
Shokupan pumice bed
Hamsand pumice bed
Atsuage pumice bed
Inarizushi pumice bed
Gomokukechappu pumice bed
Yokozemachi group
KKT tuff bed
Yoshii formation
Haratashino formation
Niwaya formation
Yorii quartz porphyry
Monomiyama green rocks
Okan formation
Yamanote formation
Geological structures
Hakutai tectonic line (Hakutai fault)
Zogahana-Asahine tectonic line
Karigome-Kuroyama tectonic line
Hachioji tectonic line (Hachioji-Takasaki tectonic line)
Jushi-Kunikami tectonic line (Jushi-Kunikami fault)
Ayasegawa fault
Shobu fault
Kuki fault
Jushi-Kuroya fault
Jushi fracture zone
Hayaotozawa fracture zone
Nenokami fault
Sekiheki fault
Hino fault
Urayamaguchi fault
Maehara unconformity
Inuki unconformity
Kuritsubo unconformity
Komagawa syncline
Ogose klippe
Otakatoriyama klippe