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Kumonotaira Gravel Bed Kano 1986
- Type locality: Yakushizawa creek, Arimine, Toyama city, Toyama prefecture
- Coherent formation
- Dammed lake-fill deposit of Paleo-Kurobegawa river
- Pleistocene (0.31 Ma, K-Ar)
- Correlation (Pumice flow deposit): Okuhida Pyroclastic Flow Deposit
- Sedimentary facies: Fluvial
- Sedimentary facies (Minor): Lacustrine
- Sedimentary facies: Dammed lake-fill deposit
- Sedimentary facies: Small-scale alluvial fans a the mountain flank
- Lithofacies: Gravels
- Lithofacies (Minor): Sands, Silt, Pumice flow deposit, Pyroclastic flow deposit, Lava
- Sedimentary structures: Cross stratification, Parallel stratification
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yakushizawa creek - Jiisawa creek, Arimine, Toyama city, Toyama pref.
- Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)