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Nanakuniyama Clastic Member

• Volcanic rocks
• Late Cretaceous

• Lithofacies (Upper): Tuffaceous sandstone, Tuffaceous mudstone
• Lithofacies (Upper, Minor): Tuffaceous conglomerate
• Lithofacies (Lower): Tuffaceous conglomerate, Tuffaceous sandstone
• Lithofacies (Lower, Minor): Tuffaceous mudstone

• Thickness: ca. 50 - 300 m
• Upper limit: Conformity (Tado Volcanic Member)
• Lower limit: Unconformity (Geiyo Formation)

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

• Distribution: Kamikamagarishima island - Tado - Oura - Mount Nanakuniyama, Kure city, Hirosihma pref.

• Higashimoto et al. (1985) Geology of the Kure District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 6p.)