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Uwano Mudflow Deposit Yamada et al., 1985

Invalid synonym: Oya Mudflow Deposit

• Type locality: Uwano town, Takayama city, Gifu prefecture
• Coherent formation
• Middle Pleistocene

• Sedimentary facies: Mudflow deposit formed by pyroclastic flow mixed with Kiriyama Gravel Bed
• Lithofacies: Dacite volcanic conglomerate, Volcanic ash
• Sedimentary structures: Cross stratification, Imbricate structure
• Paleocurrent: from East tp West

• Thickness: ca. 2 - 10 m or thicker
• Upper limit: Unconformity (Kamitakara Pyroclastic Flow Deposit)
• Lower limit: Unconformity (Nyukawa Pyroclastic Flow Deposit, Matsumoto Gravel Bed, Kiriyama Gravel Bed)

• Distribution: Uwanodaira, Uwano town, Takayama city, Gifu pref.; Kitakata, Nyukawa town, Takayama city, Gifu pref.

• Yamada et al. (1985) Geology of the Takayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 9p.)