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Mekka Pumiceous Tuff Member

• Volcanic rocks
• Miocene
• Intruded in: Fudokabe Andesite

• Lithofacies: Pumiceous tuff
• Lithofacies (Minor): Conglomerate, Mudstone

• Thickness: 0 - 150 m or thicker
• Upper limit: Conformity (Tochizu Alternation of Sandstone and Mudstone Member)
• Lower limit: Conformity (Zasunbo Alternation of Conglomerate, Sandstone and Mudstone Member)

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

• Distribution: Shiraishigawa river - Ikeda, Tateyama city, Nakaniikawa county, Toyama pref.

• 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.)