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Kamidaki Sandstone Member

• Coherent formation
• middle - late Miocene
• Contemporaneous heterotopic facies: Jono Sandstone and Conglomerate Member

• Lithofacies: Muddy sandstone
• Lithofacies (Lower, Minor): Conglomerate
• Lithofacies (Basal): Sandstone, Conglomerate

• Thickness (Basal): 1 - 4 m
• Upper limit: Unconformity (Kurehayama Gravel Bed)
• Lower limit: Unconformity (Tochizu Alternation of Sandstone and Mudstone, Shakusenji Mudstone Member)

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

• Distribution: Osawano - Joganjigawa river - Kamidaki, Toyama city, Toyama pref.; Oiwagawa river, Kamiichi city, Nakaniikawa county, Toyama pref.; Mushitani, Tateyama city, Nakaniikawa county, Toyama pref.
• Fossils: Balanus sp., Plant fragments
• Fossils (Shellfishes): Anadara sp., Cardium sp., Clinocardium shinjiense, Coraeophos nakamurai, Crepidula navia, Dosinia (Kaneharaia) kaneharai, Dosinia nomurai, Laevicardium sp., Macoma sp., Mercenaria chitaniana, Mya cuneiformis, Panope japonica, Patinopecten yessoensis, Spisula sachalinensis, Tellina sp., Thrasia hitosaoensis

• Sakamoto and Nozawa (1960) Yatsuo, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 8p.)
• Nozawa and Sakamoto (1960) Gohyakkoku, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 10p.)