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Tenei Pyroclastic Flow Deposit

Invalid synonym: Td1

• Volcanic rocks
• Pleistocene (1.0 - 0.9 Ma; 0.96, 0.92 Ma, FT)

• Lithofacies: Pyroclastic flow deposit
• Lithofacies: Hornblende-bearing orthopyroxene clinopyroxene dacite
• Lithofacies: Pumiceous tuff breccia, Pumiceous lapilli tuff

• Host: Nanaorezaka Formation, Shimogo Formation, Sakaibayashi Formation
• Thickness: ca. 70 m
• Lower limit: Conformity (Fluvial deposit of Shimogo Formation), Unconformity (Narioka Formation)

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

• Distribution: Lake Tsurugaike - Yagoshima, Shimogo city, Minamiaizu county, Fukushima pref.; Kitsuregawa hills, Tochigi pref.

• Suzuki (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.121-133 DOI
• Yamamoto et al. (2006) Geology of the Kitakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 5p.)
• Yamamoto (1999) Geology of the Tajima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 8p.)