[ Top ] [ Japanese ]

Tateoka Tuff Breccia Member

Invalid synonym: Tateoka Formation

• Type locality: Tateoka, Murayama city, Yamagata prefecture
• Coherent formation
• Miocene
• Intruded by: Dacite, Rhyolite, Basalt
• Contemporaneous heterotopic facies (Upper): Toyotateyama Agglomerate

• Lithofacies (Upper): Sandstone, Tuff, Conglomerate, Shale
• Lithofacies (Lower): Tuff breccia, Tuff

• Thickness (Upper): 400 m or thicker
• Thickness (Lower): ca. 200 m
• Upper limit: Conformity (Fukazawa Formation)

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

• Distribution: Tateoka - Tamoyama, Murayama city, Yamagata pref.; Iwayasawa, Obanazawa city, Yamagata pref.

• Tokunaga (1958) Obanazawa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 32p. (in Japanese with English abstract 6p.)