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Ma 12

• Coherent formation
• late Pleistocene

• Sedimentary facies: Marine
• Sedimentary facies: Inner bay
• Lithofacies: Clay

• Host: Uemachi Formation, Middle Terrace Deposits
• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: Osaka pref.

• Hongo (2009) Jour. Geol. Soc. Japan, vol.115, no.2, pp.64-79 DOI
• Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)
• Huzita and Kasama (1982) Geology of the Osaka-Seihokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 112p. (in Japanese with English abstract 8p.)