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Yaeyama Group (Hanzawa, 1935) William and Warren, 1960

Invalid synonym: Yaeyama Coal-bearing Beds

• Coherent formation
• Miocene

• Sedimentary facies: Marine
• Depth of water: Shallow
• Lithofacies: Sandstone, Interbedded sandstone and mudstone
• Lithofacies (Minor): Mudstone intercalating coal beds

• Upper limit: Unconformity (Ryukyu Group)
• Lower limit: Unknown

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

• Distribution: Yaeyama islands, Okinawa pref.; Iriomote island, Okinawa pref.

• Kotake et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.11, pp.701-713 DOI