5030:Fukuoka

1		r				Reclaimed land
2		h				Spoil-heap
3		S2	Cenozoic	Quaternary	Holocene	Sand dune deposits		Well-sorted medium-grained sand
4		a	Cenozoic	Quaternary	Holocene	Alluvium		Gravel, sand and mud
5		tl	Cenozoic	Quaternary	Late Pleistocene	Lower terrace deposits		Gravel, sand and mud
6		A4	Cenozoic	Quaternary	Late Pleistocene	Aso-4 Pyroclastic Flow Deposit		Pyroxene-hornblende dacite welded tuff and non-welded deposit of vitric ash and pumice
7		S1	Cenozoic	Quaternary	Late Pleistocene	Paleo-sand dune deposits		Well-sorted medium-grained sand intercalating Aso-4 Pyroclastic Flow Deposit and others
8		tm	Cenozoic	Quaternary	Late Pleistocene	Middle terrace deposits		Gravel, sand and mud
9		th	Cenozoic	Quaternary	Middle Pleistocene	Higher terrace deposits		Gravel, sand and mud
10		Yb	Cenozoic	Quaternary	Early Pleistocene	Yabakei Pyroclastic Flow Deposit		Pyroxene-hornblende dacite welded tuff and non-welded deposit of vitric ash and pumice
11		B2	Cenozoic	Quaternary	Early Pleistocene	Basalt		Alkali basalt lava
12		B1	Cenozoic	Neogene	Pliocene	Basalt		Alkali basalt lava
13		H	Cenozoic	Neogene	Pliocene	Hikosan Volcanic Rocks and its equivalents		Pyroxene andesite lava and tuff breccia
14		K	Cenozoic	Neogene	Late Miocene to Pliocene	Kitasakamoto Formation		Andesite to dacite lava and tuff breccia and conglomerate, with tuff, porphyrite and siltstone
15		Y	Cenozoic	Neogene	Late Miocene to Pliocene	Yamakuni Formation		Pyroxene andesite tuff breccia and lava, with tuff and siltstone
16		Tr	Cenozoic	Neogene	Middle Miocene	Tosu Rhyolite		Garnet-bearing sillimanite-biotite rhyolite lava
17		M	Cenozoic	Neogene	Early Miocene	Hatabu Formation		Sandstone, mudstone and conglomerate, with tuff and coal
18		O2	Cenozoic	Paleogene	Oligocene	Ashiya and Meinohama Groups		Sandstone, mudstone and interbedded sandstone and mudstone, with conglomerate and tuff (including marine fossil fauna)
19		O1	Cenozoic	Paleogene	Oligocene	Onga, Shimbaru and Atago Formations, and their equivalents		Sandstone, mudstone, conglomerate and coal, with tuff
20		E3	Cenozoic	Paleogene	Late Eocene	Ideyama, Najima and Uratani Formations, and their equivalents		Sandstone, conglomerate and mudstone, with coal and tuff
21		E2	Cenozoic	Paleogene	Middle Eocene	Takeya and Uwaishi Formations, and their equivalents		Sandstone, mudstone, conglomerate and coal, with tuff
22		E1	Cenozoic	Paleogene	Middle Eocene	Oyake and Sanjakugoshaku Formations, and their equivalents		Sandstone, mudstone, conglomerate and coal, with tuff
23		Sag	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Saga Granite		Fine-to medium-grained garnet-bearing muscovite-biotite granite with pegmatite
24		Saw	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Saga Granite		K-feldspar-porphyritic medium-grained muscovite-bearing biotite granite with pegmatite
25		Kah	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Kaho Granite		Medium-grained biotite granite
26		Yus	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Yusubaru Granite		Fine-grained biotite granite
27		Mas	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Masaki Granite		K-feldspar-porphyritic medium-grained biotite granite with pegmatite
28		Cho	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Chofu Granite		K-feldspar-porphyritic medium-grained biotite granite with pegmatite
29		Kat	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Katsuyama Granite		Medium-grained biotite granite
30		Hi	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Hirao Granodiorite		Medium-grained hornblende-biotite granodiorite
31		Soe	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Soeda(Ochiai) Granodiorite		Medium-grained hornblende-biotite granodiorite
32		Hak	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Haki Granodiorite		Medium-grained hornblende-biotite granodiorite
33		Kaw	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Kawara(Ushikiriyama) Granodiorite		Medium-grained hornblende-biotite granodiorite, tonalite and granite
34		Ku	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Kurate Granodiorite		Hornblende-porphyritic medium-grained hornblende-biotite granodiorite
35		Sik	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Shikanoshima Granodiorite		Medium-grained hornblende-biotite granodiorite, tonalite and granite
36		Kit	Mesozoic	Early Late Cretaceous	Younger granitoid(Kaho-type)	Kitazaki Granodiorite		Medium-grained augite-bearing hornblende-biotite tonalite and granodiorite
37		Fuk	Mesozoic	Early Late Cretaceous	Older granitoid (Itoshima-type)	Fukae Granite		Foliated fine- to medium-grained biotite granite with pegmatite
38		Asa	Mesozoic	Early Late Cretaceous	Older granitoid (Itoshima-type)	Asakura Granodiorite		Hornblende-porphyritic medium-grained hornblende-biotite granodiorite and tonalite
39		Och	Mesozoic	Early Late Cretaceous	Older granitoid (Itoshima-type)	Ochi Granodiorite		Hornblende-porphyritic medium-grained hornblende-biotite granodiorite and tonalite
40		Ito	Mesozoic	Early Late Cretaceous	Older granitoid (Itoshima-type)	Itoshima Granodiorite		Foliated medium-grained hornblende-biotite granodiorite and tonalite
41		Gb	Mesozoic	Early Late Cretaceous	Older granitoid (Itoshima-type)			Hornblende gabbro with cortlandite, and diorite
42		Gp	Mesozoic	Early Late Cretaceous				Granite porphyry
43		Ya	Mesozoic	Early Late Cretaceous		Yahata Formation		Garnet-bearing rhyolite pyroclastic rock, with conglomerate and sandstone
44		Po	Mesozoic	Early Late Cretaceous	Kwanmon Group			Hornblende porhyrite
45		Su	Mesozoic	Early Late Cretaceous	Kwanmon Group	Shimonoseki Subgroup	Sujigahama Formation	Andesite lapilli tuff and tuff, conglomerate, sandstone and shale
46		Sm	Mesozoic	Early Late Cretaceous	Kwanmon Group	Shimonoseki Subgroup	Kitahikoshima Formation	Augite-hornblende andesite lava, volcanic breccia and tuff, and conglomerate
47		Sl	Mesozoic	Early Late Cretaceous	Kwanmon Group	Shimonoseki Subgroup	Shiohama Formation	Andesite tuff and tuff breccia, conglomerate, sandstone and shale
48		Wu	Mesozoic	Early Late Cretaceous	Kwanmon Group	Wakino Subgroup	Nyoraida, Lower Wakamiya and Upper Wakamiya Formations	Shale, sandstone, conglomerate and rhyolite tuff
49		Wl	Mesozoic	Early Late Cretaceous	Kwanmon Group	Wakino Subgroup	Sengoku Formation	Conglomerate, shale and sandstone
50		l	Paleozoic	Permian	Yobuno Group and its equivalents			Limestone
51		c	Paleozoic	Permian	Yobuno Group and its equivalents			Chert
52		g	Paleozoic	Permian	Yobuno Group and its equivalents			Mafic volcanic rocks
53		Psm	Paleozoic	Permian	Yobuno Group and its equivalents			Sandstone and mudstone
54		l2	Paleozoic	Permian	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Late Triassic time		Calcareous schist
55		g2	Paleozoic	Permian	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Late Triassic time		Mafic schist
56		s2	Paleozoic	Permian	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Late Triassic time		Psammitic schist
57		m2	Paleozoic	Permian	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Late Triassic time		Pelitic schist with quartz schist
58		l1	Paleozoic	Carboniferous and older	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Carboniferous time)		Calcareous schist
59		g1	Paleozoic	Carboniferous and older	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Carboniferous time)		Mafic schist
60		m1	Paleozoic	Carboniferous and older	Metamorphic rocks in northern Kyushu	High-pressure schists (Metamorphosed in Carboniferous time)		Pelitic schist, with psammitic schist and quartz schist
61		mg	Paleozoic	Carboniferous and older	Metamorphic rocks in northern Kyushu			Meta-gabbro and amphibolite
62		U	Paleozoic	Carboniferous and older	Metamorphic rocks in northern Kyushu			Ultramafic rocks
87								(river)
88								(lake)
89								(sea)
100								(bridge)