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Oshidomari-pon'yama Lava Dome

Abbr.: OSD

• Volcanic rocks
• Pleistocene (0.09 Ma, K-Ar)

• Lithofacies: Dacite lava

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

• Distribution: Mount Oshidomari-Ponyama, Honcho, Rishirifuji city, Rishiri county, Hokkaido

• Ueki and Kondo (2011) Jour. Geol. Soc. Japan, vol.117, no.11, pp.648-650 DOI
• Ueki and Kondo (2010) Jour. Geol. Soc. Japan, vol.116, no.12, pp.686-689 DOI