Chayagaoka Andesite

Type locality: Kagoshima prefecture
Volcanic rocks
Pleistocene (1.9 - 1.6 Ma, K-Ar)

Lithofacies: Two pyroxene andesite

Thickness: 350 m or thicker
Lower limit: Unconformity (Nagano Formation)

Nagano, Kagoshima pref.
[ Upper ]
~~~~~~~~~~~~~~
Chayagaoka Andesite / Nakadake Andesite / Komagadan Andesite
~~~~~~~~~~~~~~
Nagano Formation
~~~~~~~~~~~~~~
Kanayama Andesite
?--?--?--?--?-
[ Lower ]

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

Distribution: Nagano, Satsuma city, Satsuma county, Kagoshima pref.

Hikichi and Yamaji (2008) Jour. Geol. Soc. Japan, vol.114, no.10, pp.540-545 DOI