Yanajimayama Mass

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Yanajimayama Mass

Volcanic rocks
Late Cretaceous
Correlation: lower Kokasan Formation

Lithofacies: Rhyolite welded tuff

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: Mount Yanajimayama, Horado, Seki city, Gifu pref.

Wakita (1995) Geology of the Mino District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 36p. (in Japanese with English abstract 3p.)