Ibonai Terrace Deposit

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Ibonai Terrace Deposit Tuzino et al., 2018

Type locality: not defined
Setsukinai river, Yukiya river system
Coherent formation
late Pleistocene - Holocene (9.2 ka or younger)

Sedimentary facies: Fluvial
Lithofacies: Gravels, Sands

Lower limit: Unconformity (Rendaino Terrace Deposit)

eastern Ichinohe region, Iwate pref.
[ Upper ]
+__+__+__+__+_
Ibonai Terrace Deposit
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Rendaino Terrace Deposit
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Towada-Hachinohe Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
Hayawatari Terrace Deposit
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Mukokawara Terrace Deposit
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[ Lower ]

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

Distribution: Ibonai - Toda - Esashika - Hikage, Kunohe city, Kunohe county, Iwate pref.; Iwasaki - Takeyafukuro - Karumai, 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.)