Tsubokameyama Lava

[ Top ] [ Japanese ]

Tsubokameyama Lava Kano et al., 2025

Type locality: Mount Tsubokameyama, Yodoe town, Yonago city, Tottori prefecture
Volcanic rocks
middle Pleistocene (0.48, 0.46 Ma, K-Ar)

Lithofacies: Andesite lava

Distribution (Major axis): 1 - 2 km
Distribution (Minor axis): 1 - 1.2 km
Upper limit: Unconformity (Takaidani lava, Nabeyama Pyroclastic Cone)

Tsubokameyama Lava
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Hongu Body
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Odani Body
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Older volcano (Flank volcano)
[ Upper ]
~~~~~~~~~~~~~~
Koreisan Lava Dome
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Nabeyama Pyroclastic Cone
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Uenohara Lava
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Takaidani Lava
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Tsubokameyama Lava
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[ Lower ]

Daisen volcano
[ Upper ]
+__+__+__+__+_
Younger volcano
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Older volcano
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Tsubokameyama - Hongu - Kusaka, Yonago city, Tottori pref.; Odani - Akima, Daisen city, Saihaku county, Tottori pref.

Kano et al. (2025) Geology of the Yonago District (2nd Ed.), Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 84p. (in Japanese with English abstract 4p.)