6040 : HIROSAKI and FUKAURA
| 1 | |
a | Quaternary | Holocene | Alluvium | Mud; sand and gravel | |
| 2 | |
sd | Quaternary | Holocene | Snad dune deposits | Sand | |
| 3 | |
Vt5 | Quaternary | Pleistocene-Holocene | Towada Volcano,Ogurayama lava | Hornblende-bearing pyroxene andesite lava | |
| 4 | |
Vt4 | Quaternary | Pleistocene-Holocene | Towada Volcano,Pumice fall deposits | Pyroxene andesite pumice fall deposits and volcanic ash | |
| 5 | |
Vt3 | Quaternary | Pleistocene-Holocene | Towada Volcano,Second somma lava | (Hornblende-bearing olivine-) pyroxene andesite lava | |
| 6 | |
Vt2 | Quaternary | Pleistocene-Holocene | Towada Volcano,Pumice flow deposits | Hornblende-bearing pyroxene dacite pumice flow deposits and pyroxene andesite pumice flow deposits | |
| 7 | |
Vt1 | Quaternary | Pleistocene-Holocene | Towada Volcano,First somma lava | (Hornblende-bearing olivine-) pyroxene andesite lava | |
| 8 | |
Vh4 | Quaternary | Pleistocene-Holocene | Hakkoda volcanic rock,Mud flow deposits | Andesite block; gravel; sand and mud | |
| 9 | |
Vh3 | Quaternary | Pleistocene-Holocene | Hakkoda volcanic rock,Main body | Olivine-Pyroxene andesite lava and pyroclastic rock | |
| 10 | |
Vh2 | Quaternary | Pleistocene-Holocene | Hakkoda volcanic rock,Lake deposits | Siltstone and sandstone | |
| 11 | |
Vh1 | Quaternary | Pleistocene-Holocene | Hakkoda volcanic rock,Minami-Hakkoda volcanic rocks | (Olivine-) pyroxene andesite lava and pyroclastic rock | |
| 12 | |
Vt3 | Quaternary | Pleistocene-Holocene | Iwaki Volcano,Mud flow deposits; etc. | Andesite block; gravel; sand and mud | |
| 13 | |
Vt2 | Quaternary | Pleistocene-Holocene | Iwaki Volcano,Central cone | Quartz-olivine-hornblende-bearing pyroxene andesite lava | |
| 14 | |
Vt1 | Quaternary | Pleistocene-Holocene | Iwaki Volcano,Main body | (Olivine-)pyroxene andesite lava and pyroclastic rock | |
| 15 | |
Vs2 | Quaternary | Pleistocene-Holocene | Tashirodake Volcano,Mud flow deposits | Andesite block; gravel; sand and mud | |
| 16 | |
Vs1 | Quaternary | Pleistocene-Holocene | Tashirodake Volcano,Main body | (Hornblende-olivine-)pyroxene andesite lava and pyroclastic rock | |
| 17 | |
Vc | Quaternary | Pleistocene-Holocene | Hachimantai Volcano; Chausudake Volcano; Moriyoshi volcano and Shibakura Volcano | (Olivine-) pyroxene andesite lava and pyroclastic rock | |
| 18 | |
Vd | Quaternary | Pleistocene-Holocene | Daira-Komagatake Volcano | Pyroxene-hornblende andesite lava and pyroclastic rock | |
| 19 | |
td | Quaternary | Pleistocene | Terrace deposits | Mud; sand and gravel | |
| 20 | |
Sb | Quaternary | Pleistocene | Katanishi Formation; Yuguruma Formation; Shibikawa Formation; etc. | Sand; gravel; mud; sandstone and conglomerate (with acid tuff; lignite; etc.) | |
| 21 | |
Da3 | Quaternary | Pliocene-Pleistocene | Hakkoda Welded tuff and Tamagawa Welded tuff | Hornblende-pyroxene dacite welded tuff; pyroxene andesite welded tuff; etc. | |
| 22 | |
Da2 | Quaternary | Pliocene-Pleistocene | Hakkoda Welded tuff and Tamagawa Welded tuff | Hornblende-pyroxene dacite welded tuff; etc. | |
| 23 | |
An5 | Neogene | Pliocene-Pleistocene | Hakkoda Welded tuff and Tamagawa Welded tuff | (Olivine-) pyroxene andesite lava and pyroclastic rock (with welded tuff) | |
| 24 | |
Ss | Neogene | Pliocene | A | Sasaoka Formation; Higashimeya Formation; etc. | Sandstone and siltstone (with acid tuff) |
| 25 | |
Ts | Neogene | Pliocene | A | Tentokuji Formation; Maito Formation; etc. | Siltstone (with sandstone and acid tuff) |
| 26 | |
Ds | Neogene | Pliocene | B | Daishaka Formation; Ikarigaseki Formation; etc. | Sandstone; siltstone and conglomerate (with acid tuff) |
| 27 | |
R3 | Neogene | Pliocene | Rhyolite lava | ||
| 28 | |
An4 | Neogene | Pliocene | Pyroxene andesite lava and pyroclastic rock (with welded tuff) | ||
| 29 | |
Tt | Neogene | Miocene | B | Tobe Formation; Tayama Formation; Aoni Formation; etc. | Acid pyroclastic rock (with sandstone and conglomerate) |
| 30 | |
Ts | Neogene | Miocene | B | Oinosawa Formation; Takedate Formation; etc. | Acid tuff; sandstone; mudstone and conglomerate |
| 31 | |
Da1 | Neogene | Miocene | B | Dacite welded tuff and lava (with acid tuff; rhyolite lava; etc.) | |
| 32 | |
An3 | Neogene | Miocene | B | Pyroxene and4esite lava and pyroclastic rock (with dacete lava) | |
| 33 | |
R2 | Neogene | Miocene | B | Rhyolite lava | |
| 34 | |
Fm | Neogene | Miocene | A | Funakawa Formation; Akaishi Formation; etc. | Dark grey mudstone (with sandstone and acid tuff) |
| 35 | |
Ft | Neogene | Miocene | A | Funakawa Formation; Akaishi Formation; etc.Nanakura tuff | Acid tuff (with mudstone) |
| 36 | |
An2 | Neogene | Miocene | A | Soma Agglomerate Formation; Subari Andesites; etc. | (Hornblende-) pyroxene andesite pyroclastic rock (with lava) |
| 37 | |
Om | Neogene | Miocene | A | Onnagawa Formation; Odoji Formation; etc. | Hard mudstone (with sandstone and acid tuff) |
| 38 | |
Ot | Neogene | Miocene | A | Onnagawa Formation; Odoji Formation; etc. | Acid tuff (with rhyolite lava) |
| 39 | |
Otm | Neogene | Miocene | B | Otaki Formation | Acid tuff (with hard mudstone) |
| 40 | |
R1 | Neogene | Miocene | Rhyolite lava | ||
| 41 | |
An1 | Neogene | Miocene | Pyroxene andesite pyroclastic rock (with lava) | ||
| 42 | |
Ba | Neogene | Miocene | Basalt pyroclastic rock (with lava) | ||
| 43 | |
Do | Neogene | Miocene | Dolerite | ||
| 44 | |
Qp | Neogene | Miocene | Tertiary Granites | Quartz porphyry; porphyrite; etc. | |
| 45 | |
Di | Neogene | Miocene | Tertiary Granites | Quartz diorite; granodiorite; diolite; etc. | |
| 46 | |
Ht | Neogene | Miocene | Hayaguchigawa Formation; Okuzu Formation; Upper part of Aniai Formation; Hanawa Formation; etc. | Acid pyroclastic rock (with mudstone; sandstone; etc.) | |
| 47 | |
Hr | Neogene | Miocene | Hayaguchigawa Formation; Okuzu Formation; Upper part of Aniai Formation; Hanawa Formation; etc. | Rhyolite lava and rhyolite welded tuff (with dacite lava) | |
| 48 | |
Ha | Neogene | Miocene | Hayaguchigawa Formation; Okuzu Formation; Upper part of Aniai Formation; Hanawa Formation; etc. | Pyroxene andesite lava and pyroclastic rock | |
| 49 | |
Hb | Neogene | Miocene | Hayaguchigawa Formation; Okuzu Formation; Upper part of Aniai Formation; Hanawa Formation; etc. | (Pyroxene-) olivine basalt lava and pyroclastic rock | |
| 50 | |
Kt | Neogene | Miocene | A | Kuroishizawa Formation; Lower part of Aniai Formation; etc. | Andesite pyroclastic rock (with mudstone; sandstone; conglomerate; acid pyroclastic rock; etc.) |
| 51 | |
Km | Neogene | Miocene | A | Kuroishizawa Formation; Lower part of Aniai Formation; etc. | Mudstone; sandstone and acid pyroclastic rock |
| 52 | |
Kr | Neogene | Miocene | A | Kuroishizawa Formation; Lower part of Aniai Formation; etc. | Ryolite laba |
| 53 | |
Ka | Neogene | Miocene | A | Kuroishizawa Formation; Lower part of Aniai Formation; etc. | (Olivine-) pyroxene andesite lava (with olivine basalt lava; etc.) |
| 54 | |
Sm | Neogene | Miocene | B | Senozawa Formation; Sahinai Formation; etc. | Andesite pyroclastic rock; mudstone and sandstone (with conglomerate; acid pyroclastic rock; etc.) |
| 55 | |
Sa | Neogene | Miocene | B | Senozawa Formation; Sahinai Formation; etc. | Pyroxene andesite lava and pyroclastic rock |
| 56 | |
Fa | Neogene | Miocene | Fujikuragawa Formation | (Olivine-) pyroxene andesite lava and pyroclastic rock (with olivine basalt lava; pyroxene basalt lava; trachy basalt; etc.) | |
| 57 | |
Oa | Neogene | Miocene | Omata Formation | Pyroxene andesite lava and pyroclastic rock (with basalt laba; acid pyroclastic rock; etc.) | |
| 58 | |
Gr | Cretaceous | Shirakamidake granites; Ryugamorio granites; etc. | Hornblende-biotite granodiorite | ||
| 59 | |
P | Permian-Early Mesozoic | Clayslate; chert; sandstone and phyllite (with andesite pyroclastic rock; basalt pyroclastic rock; etc.) |