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Hyakumagari Volcaniclastics (Kosaka et al., 2005) Mukai et al., 2009

Invalid synonym: Hyakumagari Conglomerate

• Type locality: 1,800 above sea level of Nonoiri river, Nagawa city, Chiisagata county, Nagano prefecture
• Volcanic rocks
• Pleistocene

• Sedimentary facies (Upper - Middle): Pyroclastic fall deposit, Reworked deposit, Eolian deposit
• Sedimentary facies (Lower): Debris flow deposit
• Lithofacies: Sandstone, Siltstone, Volcanic sands, Tuff, Loam
• Lithofacies (Lower): Tuffaceous conglomerate

• Eruptive volume: 0.068 km³
• Thickness: 50 - 100 m
• Upper limit: Unconformity (Ogato Lava)
• Lower limit: Unconformity (Upper Ogahana Lava)

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

• Distribution: 1,800 above sea level of Nonoiri river, Nagawa city, Chiisagata county, Nagano pref.; 1,800 - 1,900 m above sea level of Mount Chausu, Matsumoto city, Nagano pref.; 1,800 m above sea level of Hinoki creek, Matsumoto city, Nagano pref.

• Mukai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.400-422 DOI