5740:Sendai

1 a Quaternary Holocene Alluvium Gravel, sand and mud
2 sd Quaternary Holocene Sand dune deposits Sand
3 Vj Quaternary Holocene Hijiori Volcano Pyroxene-hornblende dacite pumice flow deposit (with lava, ash, etc. )
4 Vd Quaternary Pleistocene-Holocene Volcanic debris deposit Volcanic block, volcanic lapilli, volcanic sand and ash
5 Vz2 Quaternary Pleistocene-Holocene Zao Volcanoes, Zao Volcano (Quartz-olivine-) pyroxene andesite lava and pyroclastic rock
6 Vz1 Quaternary Pleistocene-Holocene Zao Volcanoes, Zao Volcano Quartz-bearing pyroxene andesite pyroclastic flow deposit
7 Vm Quaternary Pleistocene-Holocene Zao Volcanoes, Minami Zao Volcano (Olivine-) pyroxene andesite lava, pyroxene-olivine basalt lava and pyroclastic rock
8 Vr Quaternary Pleistocene-Holocene Zao Volcanoes, Ryuzan Volcano (Pyroxene-) olivine basalt lava, olivine-pyroxene andesite lava and pyroclastic rock
9 Vg Quaternary Pleistocene-Holocene Gassan Volcano (Biotite-hornblende-olivine-) pyroxene andesite lava, (biotite-pyroxene-) hornblende dacite lava and pyroclastic rock
10 Vf Quaternary Pleistocene-Holocene Funagata Volcano (Quartz-olivine-) pyroxene andesite lava, pyroxene-olivine basalt lava and pyroclastic rock
11 Vs2 Quaternary Pleistocene-Holocene Shirataka Volcano (Quartz-hornblende-) pyroxene andsite lava and pyroclastic rock
12 Vs1 Quaternary Pleistocene-Holocene Shirataka Volcano (Quartz-hornblende-) pyroxene andsite pyroclastic flow deposit
13 Va2 Quaternary Pleistocene-Holocene Aoso Volcano (Hornblende-olivine-) pyroxene andesite lava and (olivine-) pyroxene dacite lava
14 Va1 Quaternary Pleistocene-Holocene Aoso Volcano (Hornblende-) pyroxene andesite-dacite pyroclastic flow deposits (with debris-avalanche deposit)
15 td Quaternary Pleistocene-Holocene Terrace deposits Gravel, sand and mud
16 Ag Quaternary Pleistocene-Holocene Aobayama and Imotoge Formations etc. Gravel (with sand, mud, volcanic ash, etc. )
17 Vp   Late Pliocene-Early Pleistocene Pre-Funagata Volcano (Olivine-) pyroxene andesite lava, aphyric basalt lava and pyroclastic rock
18 Vn   Late Pliocene-Early Pleistocene Ganto-Kamuro Volcano (Olivine-) pyroxene andesite lava and pyroclastic rock
19 Vh   Late Pliocene-Early Pleistocene Hayama Volcano (Olivine-) pyroxene andesite lava and pyroclastic rock
20 Vc   Late Pliocene-Early Pleistocene Sankichi-Hayama Volcano (Olivine-) pyroxene andesite lava and pyroclastic rock
21 Da2   Late Pliocene-Early Pleistocene Yanagisawa Tuff, Higashihara Formation etc. Hornblende-pyroxene dacite pumice tuff (with welded tuff, gravel, sand, etc. )
22 Da1   Late Pliocene-Early Pleistocene Kamikadajin Dacite and Nanatsumori Volcanic Rock (Hornblende-) pyroxene dacite lava
23 Os   Late Pliocene-Early Pleistocene Oriwatari, Yamuke, Motoaikai and Shibakurayama Formations etc. Sand (with mud, lignite, acid tuff, etc. )
24 Hn Neogene Pliocene Hanesawa, Noguchi, Ashizawa, Nakawatari and Sakegawa Formations etc. Siltstone and sandstone (with acid tuff)
25 Oy Neogene Pliocene Oya Formation etc. Sandstone, acid tuff, siltstone and conglomerate
26 Ws Neogene Pliocene Wakahata Formation Siltstone, sandstone and acid tuff
27 Mt Neogene Pliocene Miyatoko Tuff and Onoda Formation Acid pyroclastic rock (with siltstone, sandstone, etc. )
28 Ft Neogene Pliocene Fukano Formation Acid tuff
29 Ss Neogene Pliocene Sambongi, Mukaiyama and Dainenji Formations etc. Sandstone, siltstone and acid tuff
30 Ks Neogene Pliocene Kameoka and Tatsunokuchi Formations etc. Siltstone, sandstone and acid tuff
31 R4 Neogene Pliocene   Rhyolite-dacite lava
32 An3 Neogene Pliocene   Pyroxene andesite lava
33 Fm2 Neogene Late Miocene-Early Pliocene Huruguchi and Hongo Formations etc. Dark gray mudstone (with acid tuff and sandstone)
34 Fm1 Neogene Late Miocene-Early Pliocene Huruguchi and Hongo Formations etc. Dark gray mudstone, sandstone and acid tuff
35 At Neogene Late Miocene-Early Pliocene Akayu Formation etc. Acid pyroclastic rock (with mudstone and sandstone)
36 Nm Neogene Late Miocene-Early Pliocene Nakajima Formation etc. Mudstone, sandstone and acid tuff
37 Ut Neogene Late Miocene-Early Pliocene Uwanodai and Yamaguchi Formations Acid pyroclastic rock, sandstone and mudstone
38 Yd Neogene Late Miocene-Early Pliocene Yamadera Formation Dacite tuff, lapilli tuff and welded tuff (with tuff breccia)
39 R3 Neogene Late Miocene-Early Pliocene   Rhyolite-dacite lava
40 An2 Neogene Late Miocene-Early Pliocene   Pyroxene andesite lava
41 St Neogene Late Miocene-Early Pliocene Shirasawa Formation etc. Acid tuff (with mudstone)
42 Mb Neogene Late Miocene-Early Pliocene Mitaki Formation (Olivine-) pyroxene basalt lava, pyroxene andesite lava and pyroclastic rock
43 Ns Neogene Late Miocene-Early Pliocene Nanataki Formation etc. Sandstone (with mudstone and acid tuff)
44 Yt Neogene Late Miocene-Early Pliocene Yumoto and Nashino Formations etc. Acid tuff (with sandstone)
45 Tt Neogene Late Miocene-Early Pliocene Tsunaki Formation Acid pyroclastic rock, sandstone and conglomerate
46 Bs Neogene Late Miocene-Early Pliocene Bangamoriyama and Aoso Formations Sandstone (with acid tuff)
47 R3_C Neogene Late Miocene-Early Pliocene   Rhyolite-dacite lava
48 An2_C Neogene Late Miocene-Early Pliocene   (Olivine-) pyroxene basalt lava
49 Km2 Neogene Middle Miocene Kusanagi and Mazawa Formations etc. Hard mudstone (with acid tuff and sandstone)
50 Km1 Neogene Middle Miocene Kusanagi and Mazawa Formations etc. Mudstone and acid tuff (with lapilli tuff, sandstone, etc. )
51 R2 Neogene Middle Miocene   Rhyolite-dacite lava
52 An1 Neogene Middle Miocene   Pyroxene andesite lava
53 Gt Neogene Middle Miocene Ginzan Formation Acid tuff and sandstone (with conglomerate and pyroxene andesite pyroclastic rock)
54 An1_BU Neogene Middle Miocene Utsuno Formation etc. Pyroxene andesite pyroclastic rock (with lava and sandstone)
55 Ht Neogene Middle Miocene Hikage and Juridaira Formations Acid pyroclastic rock and sandstone
56 R2_B Neogene Middle Miocene   Rhyolite-dacite lava
57 An1_B Neogene Middle Miocene   Pyroxene andesite lava
58 Ot Neogene Middle Miocene Otsutsumi Formation Pyroxene andesite pyroclastic rock, sandstone and conglomerate (with acid tuff, siltstone, etc. )
59 Hs Neogene Middle Miocene Hatatate and Irisugaya Formations etc. Sandstone and mudstone (with acid tuff)
60 G5 Neogene Middle Miocene   Quartz diorite, granodiorite, etc.
61 Ap Neogene Early to Middle Miocene Aosawa, Mizusawa, Hondoji and Yoshino Formations etc. Acid pyroclastic rock (with andesite pyroclastic rock, mudstone, sandstone, etc. )
62 Am Neogene Early to Middle Miocene Aosawa, Mizusawa, Hondoji and Yoshino Formations etc. Mudstone and sandstone (with acid pyroclastic rock)
63 R1 Neogene Early to Middle Miocene Aosawa, Mizusawa, Hondoji and Yoshino Formations etc. Rhyolite-dacite lava
64 Aa Neogene Early to Middle Miocene Aosawa, Mizusawa, Hondoji and Yoshino Formations etc. Pyroxene andesite lava
65 Ab Neogene Early to Middle Miocene Aosawa, Mizusawa, Hondoji and Yoshino Formations etc. (Pyroxene-) olivine basalt lava and pyroclastic rock (with dolerite, acid pyroclastic rock, mudstone, etc. )
66 Ta Neogene Early to Middle Miocene Taro and Ryugadake Formations Pyroxene andestie lava and pyroclasitc rock (with conglomerate, sandstone, basalt lava, etc. )
67 Op Neogene Early to Middle Miocene Yutorinuma, Okunikkawa, Arasawa and Sakunami Formations etc. Aci‚„ pyroclastic rock (with sandstone, mudstone, andestie pyroclastic rock, etc. )
68 R1_B Neogene Early to Middle Miocene Yutorinuma, Okunikkawa, Arasawa and Sakunami Formations etc. Rhyolite-dacite lava
69 Oa Neogene Early to Middle Miocene Yutorinuma, Okunikkawa, Arasawa and Sakunami Formations etc. Pyroxene andesite lava
70 Ya Neogene Early to Middle Miocene Yonnosawa and Bohara Formations etc. Pyroxene andesite lava and pyroclastic rock (with sandstone, etc. )
71 Mc Neogene Early to Middle Miocene Moniwa Formation Conglomerate and sandstone
72 R1_C Neogene Early to Middle Miocene Takadate Formation Rhyolite lava
73 Tb Neogene Early to Middle Miocene Takadate Formation (Olivine-) pyroxene andesite lava, (pyroxene-) olivine basalt lava and pyroclastic rock
74 Ts Neogene Early to Middle Miocene Tsukinoki Formation Sandstone, conglomerate, mudstone and acid tuff
75 Sa Neogene Early to Middle Miocene Shiogama and Sauramachi Formations Pyroxene andesite pyroclastic rock (with sandstone)
76 G4 Paleogene     Hornblende-biotite granodiorite, biotite-hornblende quartz diorite, biotite tonalite, augite gabbro, etc.
77 G3 Mid-Cretaceous to Late Cretaceous     Hornblende-biotite granodiorite, hornblende-bearing biotite granite, biotite-hronblende quartz diorite, etc.
78 G2c Mid-Cretaceous to Late Cretaceous     Hornblende-biotite granodiorite, biotite granite, etc.
79 G2b Mid-Cretaceous to Late Cretaceous     Biotite granodiorite and biotite granite
80 G2a Mid-Cretaceous to Late Cretaceous     Hornblende-biotite granodiorite
81 G1 Mid-Cretaceous to Late Cretaceous     Mylonitic hornblende-biotite granodiorite
82 R Middle Triassic   Rifu Formation Shale (with sandstone)
83 W Unknown age   Wariyama Formation Phyllitic mudstone and sandstone
84 S Unknown age     Biotite schist, quartz schist and amphibolite
87           (river)
88           (lake)
89           (sea)
100           (bridge)