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List of geological units in Osaka prefecture

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

Photographs of geological units in Osaka prefecture

Permian (298.9-252.17 Ma)
Ultra-Tamba Belt
Kunisaki Complex
Inagawa Complex
Triassic-Jurassic
Tanba group
Cretaceous (145.0-66.0 Ma)
Ryoke granites
Senan group
Sennan Rhyolites
Izumi Group
Northern marginal facies
Mutsuo Formation
Takihata Alternation Member
Azenotani Mudstone Member
Kasayama Conglomerate Member
Main facies
Kokawa Formation
Iwade Formation
Shindachi Formation
Kada Formation
Southern facies
Nate Formation
Younger Ryoke Granitoids
Takijiri Adamellite
Miocene (23.03-5.33 Ma)
Muro Pyroclastic Flow Deposit
Kobe group
Yamabe group
Kannabi formation
Shionomiya volcanic rocks
Dakeyama volcanic rocks
Tamateyama Tuff Bed
Pliocene-Pleistocene
Miyakojima Formation
Pleistocene (2.58- 0.01Ma)
Tenman formation
Osaka Group
Upper part
Ma 10
Ma 9
Ma 8
Ma 7
Ma 6
Ma 5
Ma 4
Ma 3
Lower part
Ma 2
Ma 1
Ma 0
Ma -1
Lowermost part
Inuidani formation
Zakuro formation
Mizutori formation
Higashibata formation
Shimakumayama formation
Fuke formation
Larix formation
Terrace Deposits
Higher Terrace Deposits
Ma 11
Middle Terrace Deposits
Ma 12
Lower Terrace Deposits
Tanaka Formation
Ma 11 (3)
Ma 11 (2)
Ma 11 (1)
Ma 1.7
Ma 1.5
Ma 1.3
Ma 0.5
Shishimuta-Azuki Tephra
Yellow tuff bed
Pink tuff bed
Shimakumayama tuff bed
Kasuri tuff bed
Hacchoike tuff bed
Sakura tuff bed
Kitadani tuff bed
Higashibata tuff bed
Fugenji tuff bed
Higashibataguchi tuff bed
Susudani-I tuff bed
Susudani-II tuff bed
Zakuro tuff bed
Inuidani tuff bed
Rotary tuff bed
Tsuchimaru tuff bed
Shinden tuff bed
Senriyama tuff bed
Tatsugaike tuff bed
Komyoike tuff bed
Yamada tuff bed
Imakuma tuff bed
Pleistocene-Holocene
Namba Formation
Ma 13
Holocene (0.01-0 Ma)
Umeda formation
Investigation in progress
Kabutoyama andesite
Geological structures
Arima-Takatsuki tectonic line
Koyo fault
Ashiya fault
Gosukebashi fault
Otsuki fault
Butsunenjiyama fault
Ikoma fault