Sudokizawa Lava Flow

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Sudokisawa Lava Flow

Type locality: Sudoki creek, Mount Moriyoshi, Kitaakita city, Akita prefecture
Volcanic rocks
Eruptive products in post-caldera stage
Pleistocene (1 Ma)

Lithofacies: Dacite lava (1 - 2 sheets)

Thickness (Overall): 50 m or thicker
Thickness (A unit): 5 - 15 m

E-3 stage
[ Upper ]
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Sudokizawa Lava Flow
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Senbonsugisawa Scoria Flow Deposit
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[ Lower ]

Earlier stage
[ Upper ]
~~~~~~~~~~~~~~
E-3 stage
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E-2 stage
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E-1 stage
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[ Lower ]

Moriyoshi volcano
[ Upper ]
+__+__+__+__+_
Later stage
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Earlier stage
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[ Lower ]

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

Distribution: Sudoki creek, Mount Moriyoshi, Kitaakita city, Akita pref.

Kano et al. (2012) Geology of the Aniai District, 2nd Edition, 1:50,000 Quadrangle Series, Geological Survey of Japan, AIST, 59p. (in Japanese with English abstract 4p.)