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Iwate-Suko Scoria

Abbr.: Iw-SuS

• Magmatic eruption deposit
• Holocene (5.9 - 5.7 cal ka, ¹⁴C)

• Sedimentary facies: Terrestrial
• Sedimentary facies (Upper, Iw-SuSr): Pyroclastic surge deposit
• Lithofacies (Upper, Iw-SuSr): Sandy volcanic ash
• Lithofacies (Lower): Scoria

• Eruptive volume: 1.21 x 10^-2 km³ DRE
• Thickness: 10 - 28 cm
• Thickness (Upper, Iw-SuSr): 52 cm

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

• Distribution: Iwate pref.

• Itoh et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.4, pp.271-296 DOI