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Fuyube Formation Tsushima and Uemura, 1959 (Photo)

• Type locality: Fuyube creek, Fuyube, Kodomari, Nakadomari city, Kitatsugaru county, Aomori prefecture
• Coherent formation
• early - middle Miocene (16.5 - 15.3 Ma)
• Contemporaneous heterotopic facies: Tappi Volcanic Rocks

• Sedimentary facies: Marine
• Lithofacies: Andesitic lapilli tuff, Tuff breccia
• Lithofacies (Minor): Andesitic rhyolite lava, Sandstone, Mudstone, Interbedded sandstone and shale, Basaltic - dacitic pyroclastic rocks, Basalt lava

• Thickness: 250 - 750 m
• Upper limit: Conformity (Nagane Formation, A III), Unconformity (Umanokamiyama Formation, Fudotaki Formation)
• Lower limit: Conformity (Isomatsu Formation)

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

• Distribution: Fuyube creek, Fuyube, Kodomari, Nakadomari city, Kitatsugaru county, Aomori pref.; Koyobi creek - Katakariishi creek, Kodomari, Nakadomari city, Kitatsugaru county, Aomori pref.; Kannondo creek - Takinosawa creek, Horozuki, Imabetsu city, Higashitsugaru county, Aomori pref.
• Fossils (Kadonosawa fauna): Lima cfr. smithi, Mytilus k-sakurai, Nuculana sp., Cerithidea cfr. sugaii, Pitar itoi, Mercenaria chitaniana, Katelysia nakamurai, Crepidula isimotoi, Volsella tugaruana, Glycymeris sp., Glycymeris matumoriensis, Chlamys sp., Chlamys nisataiensis, Paphia hachiyai
• Fossils (Plants): Zelkova ungeri, Tilia distans, Marlea cfr. aequalifolia, Carpinus? sp., Alnus sp., Cyclobalanopsis mandraliscae, Castanea kanekoi
• Fossils: Sponge spicules, Radiolarians (Liosphaericae, Ellipsidiicae, Cenodiscicae), Diatoms (Coscinodiscus sp., Arachnoidiscus sp.)

• Hoshi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.4, pp.163-170, DOI
• Kamikuri et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.8, pp.403-411 DOI
• Fujii (1966) Kanagi, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 40p. (in Japanese with English abstract 4p.)
• Uemura et al. (1959) Kanita, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 30p. (in Japanese with English abstract 5p.)
• Tsushima and Uemura (1959) Kodomari, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 5p.)
• Saito and Uemura (1957) Horozuki, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 26p. (in Japanese with English abstract 7p.)
• Ota et al. (1957) Mimmaya, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 30p. (in Japanese with English abstract 5p.)