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Iwase Granodiorite Porphyry Wakita and Koido, 1994

• Type locality: Mazegawa-Daini dam, Iwase, Kanayama town, Gero city, Gifu prefecture
• Intrusive rocks
• Late Cretaceous
• Intruded in: Takadaru Welded Tuff

• Lithofacies: Biotite hornblende granodiorite porphyry

• Distribution (East - West): ca. 4 km
• Distribution (South - North): ca. 5 km

• Distribution: Iwase - Tosenkyo-Kanayamako, Kanayama town, Gero city, Gifu pref.; Wara town, Gujo city, Gifu pref.

• Wakita and Koido (1994) Geology of the Gero District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 5p.)