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Irishiken Granodiorites

Invalid synonym: Irishiken Granite

• Type locality: Irishiken Hitachi city, Ibaraki prefecture
• Plutonic rocks
• Early - Late Cretaceous (119.0 - 90.0, K-Ar)

• Lithofacies: Granodiorite

• Distribution: Irishiken, Hitachi city, Ibaraki pref.

• Tagiri et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.6, pp.231-247, DOI
• Tagiri et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.1-20 DOI