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Yatsugamaruyama Formation Itihara et al., 1986

It is considered as a part of Mino Belt

• Type locality: Mount Yatsugamaruyama, Izumi city, Osaka prefecture
• Accretionary complex
• Jurassic
• Intruded by: Quartz porphyry

• Sedimentary facies: Marine
• Lithofacies: Mudstone, Sandstone
• Lithofacies (Minor): Basalt lava
• Sedimentary structures: Foliation

• Distribution (East - West): ca. 500 m
• Distribution (South - North): ca. 500 m
• Upper limit: Unconformity? (Ogawa Andesite)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Mount Yatsugamaruyama, Izumi city, Osaka pref.; Kogigawa river, Kaizuka city, Osaka pref.

• Itihara et al. (1986) Geology of the Kishiwada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)