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Funazawa Formation Mikami, 1955
- Type locality: Yatarogawa river, Teragane - Funazawa, Susugaya, Kiyokawa city, Aiko county, Kanagawa prefecture
- Volcanic rocks
- Trough-fill deposit at the collision boundary between Oceanic arc of Paleo-Izu-Bonin arc (Ocean crust) and Honshu arc (Island arc)
- late Miocene
- Sedimentary facies: Marine
- Sedimentary facies: Pyroclastic rock-origin turbidite, Debrite
- Sedimentary facies: Reworked pyroclastic rocks (Epiclastic)
- Lithofacies: Basalt - Andesite tuff, Lapilli tuff, Volcanic sandstone, Tuffaceous sandstone, Mudstone
- Lithofacies (Minor): Dacite pumice tuff
- Sedimentary structures: Upward-fining, Parallel stratification
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Teragane - Funazawa, Susugaya, Kiyokawa city, Aiko county, Kanagawa pref.; Lake Miyagase - Mount Bukkasan - Mount Kyogatake - Horindo forest road, Kiyokawa city, Aiko county, Kanagawa pref.; Aonohara, Midori ward, Sagamihara city, Kanagawa pref.; Mujinazaka pass, Atsugi city, Kanagawa pref.; Shinmeimae, Aikawa city, Aiko county, Kanagawa pref.
- Fossils (Shellfishes): Chlamys kaneharai
- Fossils (Foraminifera): Cyclamina sp., Globigerina sp.
- 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.)
- 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.)