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Kobotoke Group (Suzuki, 1888) Sakai, 1987

Invalid synonym: Kobotoke Complex

• Type locality: Kobotoke pass, Kanagawa prefecture - Tokyo metropolis
• Accretionary complex
• Deposition: Early Cretaceous, Albian - Late Cretaceous, Maastrichtian
• Metamorphism: late Eocene
• Accretion:
• Intruded by: Kofu Granodioritic Complex, Mitakeshosenkyo type, Tokuwa type

• Sedimentary facies: Marine
• Metamorphic facies: Greenschist

• Upper limit: Unconformity (Mizugamori Volcanic Rock, Tate Formation, Terada Formation, Motohachioji Formation, Mukaihara Formation, Osawa Terrace Deposit, Kobiki Terrace Deposit, Tachikawa 2 Formation, Aoyagi Formation, Nakatsu Group)
• Lower limit: Thrust fault

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

• Distribution: Mount Takao, Tokyo metropolis; Kobotoke pass, 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.)
• Saruta and Takahashi (2012) Jour. Geol. Soc. Japan, vol.118, no.1, pp.53-58 DOI
• Hara et al. (2010) Geology of the Mitsumine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 110p. (in Japanese with English abstract 4p.)
• Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)
• Sakai (1987) Geology of the Itsukaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 75p. (in Japanese with English abstract 5p.)
• Mimura et al. (1984) Geology of the Mitake-Shosenkyo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 61p. (in Japanese with English abstract 4p.)
• 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.)
• Katada (1956) Kofu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 27p. (in Japanese with English abstract 4p.)