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Nojima Formation (Otsuka, 1937) Eto et al., 1998

• Type locality: Ofuna - Kitakamakura, Kamakura city, Kanagawa prefecture
• Type locality (Old): Nojima, Kanazawa ward, Yokohama city, Kanagawa prefecture
• Coherent formation
• Fore-arc basin sediments (Kazusa trough)
• Pleistocene
• Correlation: lower Kiwada Formation, Kurotaki Formation, Takeoka Formation, Tomiya Formation, Hayashi Formation

• Sedimentary facies: Marine
• Depth of water (Middle): upper Sublittoral (Benthic foraminifera)
• Depth of water (Middle): 200 - 500 m (Benthic foraminifera)
• Depth of water (Lower): upper Bathyal (Benthic foraminifera)
• Depth of water (Lower): 500 - 1,000 m (Benthic foraminifera)
• Lithofacies: Muddy sandstone, Tuffaceous sandstone, Sandy mudstone, Tuffaceous mudstone
• Lithofacies (Minor): Pumice tuff, Scoria tuff, Conglomerate
• Sedimentary structures: Cross stratificaiton

• Thickness: 200 - 320 m
• Upper limit: Conformity (Lithofacies boundary between muddy sandstone and upper massive mudstone)
• Upper limit: Transitional (Ofuna Formation)
• Lower limit: Transitional (Urago Formation)

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

• Distribution: Ofuna - Kitakamakura - Imaizumi - Minenoshita, Kamakura city, Kanagawa pref.; Kamigo village, Sakae-ku, Yokohama city, Kanagawa pref.; Fujisawa city, Kanagawa pref.; Nojima, Kanazawa ward, Yokohama city, Kanagawa pref.; Urago town, Yokosuka city, Kanagawa pref.
• Fossils (Shellfishes): Acila divaricata, Dentalium yokoyamai, Glycymeris nipponica, Glycymeris rotunda, Jopelion schrencki, Limopsis azumana, Limopsis crenata, Limopsis tajimae, Limopsis tokaiensis, Miltha annula, Patinopecten tokyoensis, Patinopecten yessoensis, Turcicula hirasei, Turritella nipponica
• Fossils (Foraminifera): Globorotalia truncatulinoides

• Utsunomiya et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.7, pp.221-231 DOI
• Kusu et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.2, pp.53-70 DOI
• Suzuki and Murata (2011) Jour. Geol. Soc. Japan, vol.117, no.7, pp.379-397 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.)
• Mitsunashi and Kikuchi (1982) Geology of the Yokohama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 105p. (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.)