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Jono Sandstone and Conglomerate Member

• Coherent formation
• middle - late Miocene
• Contemporaneous heterotopic facies: Kamidaki Sandstone Member, Hirabayashi Sandstone Member

• Lithofacies: Sandstone, Conglomerate

• Lower limit: Unconformity (Joyama Mudstone Member)

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

• Distribution: JInzugawa river - Idagawa river -Jono, Toyama city, Toyama pref.
• Fossils (Shellfishes): Anadara sp., Cardium? sp., Coraeophos nakamurai, Dosinia ettyuensis, Dosinia kaneharai, Dosinia nomurai, Glycymeris matumoriensis, Macoma sp., Mya cuneiformis, Natica sp., Ostrea sp., Peronidea jonensis

• 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.)