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Gome-saki Pyroclastic Rocks Kosugi et al., 2013
Abbr. GoP
- Type locality: Oshima-Kojima island, Hokkaido
- Volcanic rocks
- Pleistocene (0.11 Ma, K-Ar)
- Sedimentary facies (Upper): Terrestrial, Pyroclastic flow
- Sedimentary facies (Lower): Marine
- Lithofacies (Main): Andesitic-dacitic non-welded tuff breccia, Lapilli tuff
- Lithofacies (Minor): Tuff, Biotite-bearing clinopyroxene-hornblende andesite lava, Biotite-bearing hornblende dacite lava
- Sedimentary structures (Upper): Massive
- Sedimentary structures (Lower): Reversed graded stratification, Cross-stratification
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Gome cape - Yamasedomari, Aidomari, Kajikama - Takinoma, Oshima-Kojima island, Hokkaido
- Kosugi et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.12, pp.743-758 DOI