[ Top ] [ Japanese ] [ Other prefectures ]

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)
Chichibu Belt
Nakato Unit
Nitayama Unit
Northern Chichibu Belt
Sumaizuku Unit
Futagoyama Limestone
Hakusekisan Limestone
Hebiki Unit
Kazahayatoge Unit
Kamiyoshida Unit
Onagata Subunit
Kamiyoshida Subunit
Manba Subunit
Kashiwagi Unit
Tate Subunit
Hagidaira Subunit
Sakahara formation
Shimokuzu conglomerate
Southern Chichibu Belt
Nakatsugawa Group
Ryokamiyama Chert Unit
Ryokami Unit
Ogamata Unit
Mikunitoge Conglomerate Member
Nogurizawa Unit
Urayama Group
Kawanori Unit
Unazawa Unit
Gozenyama Unit
Jurassic-Cretaceous
Torinosu group
Torinosu limestone
Cretaceous (145.0-66.0 Ma)
Yoshimi metamorphic rocks
Shimanto Belt
Otaki Group
Kawamata Unit
Futase Unit
Ogochi Group
Wanakurasawa Unit
Ichinosawa Unit
Kumotoriyama Unit
Happyakudani Unit
Koreisan Unit
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
South Unit
Middle Unit
Cretaceous-Paleogene
Kimochi formation
Paleogene-Neogene
Ogawa 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
Matsuyama Group
Yagii Formation
Tsuchishio Formation
Fukuda Formation
Ichinokawa Formation
Aoiwa Conglomerate Member
Arakawa Formation
Hatakeyama Ttuff Bed
Kozono Formation
Nanasato formation (Nanasato tuff bed)
Kodama Formation
Akahira Group
Chichibumachi Formation
Saginosu formation
Hiranita formation?
Nagura formation
Kamiyokoze formation
Oganomachi Formation
Ozasu Tuff Member
Sakurai formation
Nenokami Formation
Tomita Formation
Kaminozawa Tuff Member
Shirasu Formation
Chichibu Tonalite
Okaburi Formation
Osawa coal bed
Suwayama formation
Ushibuse formation
Obata formation
Idozawa formation
Pliocene (5.33-2.58 Ma)
Kazusa Group
Hanno Formation
Osoki Formation
Nihondake Formation
Yaoroshi Tuff
Pliocene-Pleistocene
Kazusa Group
Bushi Formation
Pleistocene (2.58- 0.01Ma)
Kazusa Group
Sayama Formation
Yatsu Clay Member
Mitsugi Conglomerate Member
Shimosa Group
Joso Formation
Omiya Formation
Kioroshi Formation
Toyooka Formation
Tokorozawa Formation
Kumegawa Formation
Toshitorazu Formation
Aoyagi Formation
Karaborigawa Formation
Kuromegawa Formation
Nakadai Formation
Akabane Formation
Narimasu Formation
Kanto Loam
Osato Loam
Younger Loam
Hitsujiyama Loam
Sayama Loam
Shimosueyoshi Loam
Tachikawa Loam
Musashino Loam
Kaneko Loam
Obaradai pumice bed (OP, Kuriyokan pumice bed, KuP)
SIP Tephra
On-Pm1
Hk-TP Tephra
AT Tephra
SYG Tephra
Hachioji biotite pumice bed (HBP)
C1 pumice bed
Monomiyama formation
Asamiyama formation
Tokyo formation
Tokyo conglomerate formation
Narimasu formation
Une formation
Katazuna formation
Nukasuna formation
Orenge pumice bed
Champagne pumice bed
Kibami pumice bed
Hitsujiyama formation
Uridane pumice bed (Pm-1?)
Taguro peat bed
Konan Tephra
Ogano Terrace Deposit
Ohami Terrace Deposit
Akabane Formation
Nakadai Formation
Tachikawa Terrace Deposits
Higher Terrace Deposit, Arakawa river
Middle I Terrace Deposit, Arakawa river
Middle II Terrace Deposit, Arakawa river
Lower I Terrace Deposit, Arakawa river
Ayasegawa Terrace Deposit
Middle Terrace Deposit, southern Chichibu
Lower Terrace Deposit, southern Chichibu
Lowest Terrace Deposit, southern Chichibu
Pleistocene-Holocene
Nanagochi Formation
Basal Gravel
Holocene (0.01-0 Ma)
Yurakucho Formation
Upper member
Lower member
Amagase Formation
Holocene Basal Gravel
Lower II Terrace Deposit, Arakawa river
Age unknown
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
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