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Gamo Formation
- Coherent formation
- Pliocene (2.6 - 1.8 Ma)
- Sedimentary facies: Terrestrial
- Sedimentary facies: Marshes, Lakes, Ponds
- Lithofacies (Main): Sand, Interbedded sand and mud
- Lithofacies (Minor): Mud, Gravels
- Upper limit: Conformity
- Lower limit: Conformity
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yasu river, Konan city, Shiga pref.
- Fossils: Stegodon aurorae, Menyanthes trifoliata
- Satoguchi et al. (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.70-78 DOI