Sancho Lava

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Sancho Lava

Type locality: summit of Mount Kanpu, Oga city, Akita prefecture
Stratovolcano
Volcanic rocks
Pleistocene - Holocene

Sedimentary facies: Terrestrial
Lithofacies: Calc-alkaline andesite
Lithofacies: Orthopyroxene-clinopyroxene andesite lava
Lithofacies: Breccia

Upper limit: Unconformity (Tsumakoi-toge Lava)
Lower limit: Unconformity (Katakura Lava, Urata Lava)

Stage 3
[ Upper ]
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Tamanoike Landslide and Debris-avalanche Deposits
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Takikawa Lava / Sancho Lava
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Katakura Lava
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Kotokawa Lava
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[ Lower ]

Kanpu volcano
[ Upper ]
+__+__+__+__+_
Stage 4
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Stage 3
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Stage 2
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Stage 1
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: summit of Mount Kanpu, Oga city, Akita pref.

Kano et al. (2011) Geology of the Toga and Funakawa District., Quadrangle Series, 1:50,000, Geological Survey of Japan, AIST, 127 p. (in Japanese with English abstract 4p.)
Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI