Takadate Tephra Group

[ Top ] [ Japanese ]

Takadate Tephra Group (Nakagawa, 1961) Kudo, 2005

Type locality: Suginoki, Towada city, Aomori prefecture
Tephra
late Pleistocene (ca. 110 - 55 ka)

Lithofacies: Andesitic - Dacitic

Source: Towada caldera

Takadate Tephra Group
[ Upper ]
~~~~~~~~~~~~~~
Towada T-22 Tephra
~~~~~~~~~~~~~~
Towada SP Tephra
~~~~~~~~~~~~~~
Towada Okoshi 2 Tephra
~~~~~~~~~~~~~~
Towada T-17 Tephra
~~~~~~~~~~~~~~
Towada Aosuji Tephra
~~~~~~~~~~~~~~
Towada T-15 Tephra
~~~~~~~~~~~~~~
Towada Kasutera Tephra
~~~~~~~~~~~~~~
Towada Sc1 Tephra
~~~~~~~~~~~~~~
Toya Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
Towada Zarame 2 Tephra
~~~~~~~~~~~~~~
Towada Zarame 1 Tephra
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Kamikita plain, Aomori pref.
Distribution: Suginoki, Towada city, Aomori pref.; Maita - Ofudo, Towada city, Aomori pref.; Ashinazawa, Towada city, Aomori pref.; Kokarumai, Karumai city, Kunohe county, Iwate pref.

Kudo (2005) Geology of the Towada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 3p.)
Yoshida et al. (1987) Geology of the Rikuchu-Ono District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)