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Chokeiji Sand Member

• Type locality: Toyama prefecture
• Coherent formation
• early Pleistocene
• Correlation: Omma Sandstone Member, upper Mita Formation

• Lithofacies (Upper, Minor): Tuffaceous siltstone
• Lithofacies: Sands
• Lithofacies (Minor): Gravels, Tuff

• Thickness: ca. 70 m
• Upper limit: Unconformity (Kurehayama Gravel Bed)
• Lower limit: Conformity (Anyobo Sandstone and Mudstone Alternation Member)

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

• Distribution: Kurehayama hills - Tomosaka - Anyobo - Chokeiji, Toyama city, Toyama pref.
• Tephra: Chokeiji Tephra

• Tamura et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.1-20 DOI
• Sakamoto (1963) Toyama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 6p.)