Hitachi Volcanoplutonic Complex

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Hitachi Volcanoplutonic Complex Tagiri et al., 2016

Type locality: Hitachi city, Ibaraki prefecture
Products of volcanic activities of volcanic island arc
Deposition: early - middle Cambrinan
Metamorphism: Early - Late Cretaceous (118.0 - 96.0, K-Ar)

Upper limit: Unknown
Lower limit: Unknown

Hitachi Volcanoplutonic Complex
Akazawa Formation
Tamadare Formation
Meta-granites
Meta-porphyry and rhyolites

Hitachi Metamorphic Rocks
[ Upper ]
?--?--?--?--?-
Nishidohira Formation
?--?--?--?--?-
Ayukawa Formation
--------------
Daioin Formation / Omika Formation / Takizawa Formation
~~~~~~~~~~~~~~
Hitachi Volcanoplutonic Complex
?--?--?--?--?-
[ Lower ]

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

Distribution: Southern Abukuma mountains, Ibaraki pref.

Tagiri et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.6, pp.231-247, DOI