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Aikawa Group (Mikami, 1955) Mikami, 1958
Invalid synonym: Aikawa Subgroup
- Volcanic rocks
- Trough-fill deposit at the collision boundary between Oceanic arc of Paleo-Izu-Bonin arc (Ocean crust) and Honshu arc (Island arc)
- Aikawa Trough deposit
- late Miocene
- Sedimentary facies: Marine
- Lithofacies (Upper): Clastic rocks
- Lithofacies: Mafic volcaniclastic rocks, Lavas
- Lithofacies (Minor): Felsic tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Kanagawa pref.
- Ueki et al. (2013) Geology of the Hachioji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 137p. (in Japanese with English abstract 6p.)
- Matsubara and Amano (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.134-150 DOI
- Oka et al. (1979) Geology of the Fujisawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 5p.)