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Younger Josho Lake Deposit Iijima et al., 1969

• Type locality: Sangawa bridge, Kawabe, Ueda city, Nagano prefecture
• Coherent formation
• Pleistocene (? - 28.4 ka yBP, ¹⁴C)

• Sedimentary facies: Lacustrine
• Lithofacies: Mudstone
• Lithofacies (Minor): Sandstone, Peat, Conglomerate

• Thickness: 5 - 15 m
• Upper limit: Conformity (Roam)
• Lower limit: Unconformity (Older Josho Lake Deposit)

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

• Distribution: Kawabe - Hyogo - Yokoyama - Kokubu - Iwakado - Urano river - Sangawa river - Yugawa river, Ueda city, Nagano pref.; Kaminagaze, Maruko town, Ueda city, Nagano pref.
• Fossils (Peat, Pollen): Abies sp., Acer sp., Alnus sp., Cryptomeria sp., Fagus sp., Ilex sp., Juglans sp., Picea sp., Pinus sp., Pterocarya sp., Quercus sp., Tsuga sp., Ulmus sp.

• Kato (1980) Geology of the Sakaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 5p.)
• Iijima et al. (1969) Jour. Geol. Soc. Japan, vol.23, no.2, pp.63-72 DOI