Asakusazawa Pyroclastic Flow Deposit

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Asakusazawa Pyroclastic Flow Deposit Tuzino et al., 2018

Type locality: Asakusazawa, Karumai city, Kunohe county, Iwate prefecture
Tephra
Miocene - Pliocene

Sedimentary facies: Terrestrial
Lithofacies: Non-welded volcanic ash flow deposit
Lithofacies: Dacitic - rholitic pyroclastic flow deposit

Thickness: 5 m or thicker

Toya Formation
[ Upper ]
~~~~~~~~~~~~~~
Karumai Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
[ Lower ]

Toya Formation
[ Upper ]
~~~~~~~~~~~~~~
Asakusazawa Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
Furuyashiki Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Asakusazawa, Karumai city, Kunohe county, Iwate pref.

Tuzino et al. (2018) Geology of the Ichinohe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 161p. (in Japanese with English abstract 4p.)