Kuzuredani Formation

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Kuzuredani Formation

Volcanic rocks
Late Cretaceous
Intruded by: Rhyolite tuff dikes

Lithofacies (Upper): Rhyolite welded tuff
Lithofacies (Lower): Rhyolite vitreous tuff, Vitreous crystalline tuff

Thickness: 300 - 750 m
Lower limit: Uncoformity (Nabi Unit)

Itadori Mass
[ Upper ]
~~~~~~~~~~~~~~
Abesan Formation
~~~~~~~~~~~~~~
Kuzuredani Formation
~~~~~~~~~~~~~~
Matsunedani Formation
~~~~~~~~~~~~~~
[ Lower ]

Okumino Acid Igneous Complex (Northeastern part)
[ North ]
~~~~~~~~~~~~~~
Nyudani Mass
~~~~~~~~~~~~~~
Hachiman Mass
~~~~~~~~~~~~~~
[ South ]

Okumino Acid Igneous Complex (Southwestern part)
[ North ]
~~~~~~~~~~~~~~
Omodani Mass
~~~~~~~~~~~~~~
Akeshidani Mass
~~~~~~~~~~~~~~
Itadori Mass
~~~~~~~~~~~~~~
Horado Mass
~~~~~~~~~~~~~~
Yanajimayama Mass
~~~~~~~~~~~~~~
[ South ]

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

Distribution: Kuzuredani valley - Matsutani valley, Itadori, Seki city, Gifu pref.

Wakita (1984) Geology of the Hachiman District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 89p. (in Japanese with English abstract 6p.)