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Izu-Oshima S₂-c Lahar Deposit

• Volcanic rocks
• Holocene (AD 340)

• Sedimentary facies: Lahar
• Lithofacies: Matrix-supported volcanic ash, lapilli, volcanic blocks
• Lithofacies: Basalt

• Thickness: 5 m or thicker

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

• Distribution: Motomachi - Nomashi, Oshima city, Izu-Oshima island, Tokyo metropolis

• Yamamoto and Kawanabe (2014) Jour. Geol. Soc. Japan, vol.120, no.7, pp.233-245 DOI