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Shiosenomisaki Sandstone and Conglomerate Fujioka, 1959

Invalid synonym: Shiosezaki Conglomerate and Tuff, Shiosenomisaki Formation

Exotic blocks in the caldera which is filled with Tateyamazaki Dacite, Daijima Formation

• Type locality: Cape Shiose, Monzen, Honzan, Funagawaminato, Oga city, Akita prefecture
• Coherent formation
• Eocene - Oligocene (34.7 - 32.8 Ma, FT)

• Sedimentary facies: Shallow marine
• Sedimentary facies: Pyroclastic surge deposit
• Sedimentary facies: Coast - Offshore of storm-dominated shelf
• Sedimentary facies: Turbidite
• Lithofacies (Top): Tuffaceous sandstone
• Lithofacies (Upper): Basaltic andesite pyroclastic rocks (Pyroclastic surge deposit)
• Lithofacies (Middle): Siltstone, Mudstone
• Lithofacies (Lower): Sandstone
• Lithofacies (Bottom): Interbedded felsic tuff and tuffaceous sandstone

• Thickness: 40 m or thicker
• Upper limit: Unconformity (Daijima Formation)

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

• Distribution: Cape Shiose, Monzen, Honzan, Funagawaminato, Oga city, Akita pref.
• Fossils (Skolithos ichnofacies): Phyllodocites isp., Monocraterion isp., Gordia isp., Ophiomorpha isp.
• Fossils (Monzen Flora): Alnus miojaponica, Betula uzenensis, Carpinus subyedoensis, Corylus sp., Glyptostrobus europaeus, Juglans sp., Metasequoia sp., Picea kanoi, Picea ugoana, Pinus palaeopentaphylla, Tilia sp., Tsuga sp., Ulmus takayasui
• Fossils (Pollen): Betula sp., Carpinus sp., Corylus sp., Juglans sp., Picea sp., Pterocarya sp., Tilia sp., Tsuga sp., Ulmus sp.

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
• Kano et al. (2011) Geology of the Toga and Funakawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)
• Kobayashi et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.10, pp.552-562 DOI
• Ohguchi et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.17-32 DOI
• Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI