Sn-KC Tephra

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Sn-KC Tephra

Abbr. Sn-KC

Type locality: Kachigata, Aizubange city, Kawanuma county, Fukushima prefecture
Tephra
middle Pleistocene

Lithofacies: Pyroclastic fall deposit
Lithofacies: Biotite rhyolite

Source: Sunagohara caldera
Thickness: 15 cm

Sunagohara Formation
[ Upper ]
~~~~~~~~~~~~~~
Sunagohara-Kubota Pyroclastic Deposit
~~~~~~~~~~~~~~
Sn-KC
~~~~~~~~~~~~~~
Sunagohara-Sakasegawa Pyroclastic Flow Deposit
~~~~~~~~~~~~~~
Yunotake Rhyolite
~~~~~~~~~~~~~~
[ Lower ]

Sunagohara caldera
[ Upper ]
~~~~~~~~~~~~~~
Sunagohara Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Kachigata, Aizubange city, Kawanuma county, Fukushima pref.

Yamamoto et al. (2006) Geology of the Kitakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 5p.)