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Shiraiso Lavas (Nagai et al., 2006) Oikawa and Ishizuka, 2011
Invalid synonym: Shiraiso Lava Group
- Type locality: Shiraiso seashore, Manazuru city, Ashigarashimo county, Kanagawa prefecture
- Volcanic rocks
- Middle Pleistocene (ca. 0.18 - 0.17 Ma, Tephra)
- Correlation: Soda Loam, Shichikunitoge Loam
- Sedimentary facies: Terrestrial
- Lithofacies: Orthopyroxene clinopyroxene andesite lava (2 flow units)
- Lithofacies (Minor): Pumice, Scoria
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shiraiso seashore, Manazuru city, Ashigarashimo county, Kanagawa pref.; Mount Hoshigayama, Yugawara city, Ashigarashimo county, Kanagawa pref.
- Oikawa and Ishizuka (2011) Geology of the Atami District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 61p. (in Japanese with English abstract 3p.)