Minowasan-Adatarayama products

Volcanic rocks
Pleistocene (0.4 - 0.1 Ma, K-Ar/FT)

Lithofacies: Calc-alkaline series
Lithofacies: Andesite
Lithofacies: Lava, Volcanic breccia, Pyroclastic flow deposit

Source: Mount Tetsuzan - Numanotaira
Volume: ca. 3.5 km³

Minowasan-Adatarayama products
[ Upper ]
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Sukawa L1 Lahar Deposit
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[ Lower ]

Minowasan-Adatarayama products
[ Upper ]
+__+__+__+__+_
Numanotaira Crater Lake-fill Deposit
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Numanotaira Pyroclastic Cone Deposit
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Kagoyama Lava
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Yukawa Pyroclastic Flow Deposit
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Numanotaira Welded Pyroclastic Rocks
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Adatarayama Lava
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Seishidaira Lava
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Funamyojinyama Lava
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Tetsuzan-Yahazumori products
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Shojigaiwa Lava
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Tainaiiwa Lava
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Kimenzan Lava
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Motoyama Pyroclastic Flow Deposit
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Minowasan Lava
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Akataki Lava
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Iogawa Lava
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Shiraitonotaki Lava
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[ Lower ]

Adatara volcano
[ Upper ]
+__+__+__+__+_
Minowasan-Adatarayama products
~~~~~~~~~~~~~~
Oshosan products
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Sogodai Lava
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Numajiri Pyroclastic Flow Deposit
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[ Lower ]

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

Distribution: Mount Adatara, Fukushima pref.

Sakaguchi (1995) Geology of the Nihonmatsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 4p.)