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Misaki Formation (Akamine et al., 1956) Koike and Murai, 1950
Invalid synonym: Misakimachi Interbedded Sandstone and Siltstone Formation
- Sedimentary facies: Marine
- Sedimentary facies: Landward slope of trench deposit
- Sedimentary facies: Reductive calm offsore
- Depth of water: Abyssal - Bathyal
- Lithofacies (Upper): Pyroclastic rock dominant interbedded sandy siltstone/silty sandstone and scoria/scoriaceous tuff
- Lithofacies (Lower): Siltstone dominant interbedded siltstone and scoria/scoriaceous tuff
- Lithofacies (Lower, Minor): Volcanic lapilli, Pumiceous tuff, Tuff
- Sedimentary structures: Slump structures
- Thickness: 300 - 1,300 m
- Thickness (Upper): 100 - 150 m
- Thickness (Lower): ca. 100 m
- Upper limit: Conformity (Hatsuse Formation)
- Upper limit: Bottom of Sj22 Tephra Bed
- Lower limit: Tagoegawa Unconformity (Hayama Group)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Misaki - Aburatsubo - Koajiro - Matsuwa - Jogashima - Miyagawa - Bishamon - Hamamoroiso - Kannoniwa, Miura city, Kanagawa pref.; Sajima - Nagai, Yokosuka city, Kanagawa pref.
- Fossils (Trace fossils): Chondrites isp., Zoophycos isp.
- Tephra: Bs, Mr, So, Ok
- Mori and Ogawa (2019) Jour. Geol. Soc. Japan, vol.125, no.10, pp.737-757 DOI
- Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.8, pp.375-395, DOI
- Eto et al. (1998) Geology of the Yokosuka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 3p.)
- Kodama et al. (1980) Geology of the Misaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 38p. (in Japanese with English abstract 3p.)