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Taragatoge Volcanic Rock

• Type locality: Kamisekisuiji town - Taragatoge pass - Toichi, Kofu city, Yamanashi prefecture
• Volcanic rocks
• Aqueous volcano
• late Miocene (7.6 Ma)

• Sedimentary facies: under water
• Sedimentary facies (Lower, Dykes): Feeder dikes
• Lithofacies (Upper): Andesite lava
• Lithofacies (Lower): Andesite tuff breccia, Hyaloclastite, Dykes
• Sedimentary structures (Lower): Cross stratification

• Thickness: 600 - 1,000 m
• Thickness (Upper): 200 - 300 m
• Thickness (Lower): 700 - 800 m
• Distribution (Width): 7 km
• Distribution (South - North): 18 km
• Upper limit: Unconformity (Yamaguchi Pumice Tuff)
• Lower limit: Unconformity (Kofu Granodiorite)

• Distribution: Taragatoge pass - Mount Obinayama, Kofu city - Yamanashi city, Yamanashi pref.; Kamisekisuiji town - Taragatoge pass - Toichi, Kofu city, Yamanashi pref.; Otomekogen, Makioka town, Yamanashi city, Yamanashi pref.
• Fossils: Monocotyledonous plants (Leaves)

• Mimura et al. (1984) Geology of the Mitake-Shosenkyo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 61p. (in Japanese with English abstract 4p.)