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Shiobara-Katamata Pyroclastic Flow Deposit (Tsurumaki et al., 2009) Yamada et al., 2018

Abbr.: So-KT

Invalid synonym: Katamata Pyroclastic Flow Deposit (KT-pfl)

• Type locality: Katamata, Yaita city, Tochigi prefecture
• Volcanic rocks
• Eruption products of a collapse caldera which formed Shiobara basin
• Pleistocene (410 - 337 ka)

• Lithofacies: Pumice Flow Deposit
• Lithofacies: Poorly sorted clast-supported pumiceous volcanic lapilli tuff

• Source: Shiobara caldera
• Thickness (Katamata): 8 m
• Thickness (Shiota): 160 cm

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

• Distribution: Katamata - Shiota, Yaita city, Tochigi pref.

• Yamada et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.837-855 DOI