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Iwate-Okawakaitaku Scoria Ito et al., 2018

Abbr.: Iw-OkS Tephra

• Magmatic eruption deposit
• Holocene (AD 1285 - 1465, ¹⁴C)

• Sedimentary facies: Terrestrial
• Lithofacies: Scoria

• Thickness: 16 cm or thinner

• Eruptive volume: 3.64 x 10^-3 km³ DRE
• Upper limit: Unconformity (Ippongihara Debris Avalanche Deposit)

------ 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