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Aoi Formation

• Accretionary complex
• middle Permian

• Sedimentary facies: Marine
• Lithofacies (Upper): Interbedded slate and chert, Interbedded slate and sandstone
• Lithofacies (Middle): Tuffaceous slate
• Lithofacies (Middle, Minor): Greenstones, Limestone
• Lithofacies (Lower): Interbedded slate and chert

• Thickness: 700 m or thicker

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

• Distribution: Aoi, Obama city, Fukui pref.
• Fossils (Limestone, Fusulinids): Neoschwagerina craticulifera, Neoschwagerina simplex, Parafusulina cf. edoensis, Pseudofusulina cf. japonica, Pseudofusulina kaerimizensis

• Hirokawa et al. (1958) Obama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 8p.)