Anamizuzawa Lithic Tuff Member

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Anamizuzawa Lithic Tuff Member Takarada and Muraoka, 2004

Type locality: Aomori prefecture
Tephra
Pleistocene

Sedimentary facies: Lacustrine
Sedimentary facies (a part): Volcanic vent
Lithofacies: Lithic scoriaceous tuff, Lithic pumice tuff

Thickness: 3, 12 m
Upper limit: Unconformity (Okogawazawa Debris Flow Deposit)

Aoni Tuff
[ Upper ]
~~~~~~~~~~~~~~
Nurukawa Debris Flow Deposit Member
~~~~~~~~~~~~~~
Anamizuzawa Basalt Member / Anamizuzawa Lithic Tuff member
~~~~~~~~~~~~~~
[ Lower ]

Okiura caldera
[ Upper ]
~~~~~~~~~~~~~~
Oguni Lacustrine Formation
~~~~~~~~~~~~~~
Okiura Dacite
'''''''/,,,,,,
Aoni Tuff
--------------
[ Lower ]

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

Distribution: Nishonai dam, Aoni river, Kuroishi city, Aomori pref.

Takarada and Muraoka (2004) Geology of the Hakkoda San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)