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Sangenyama Granite Porphyry

• Intrusive rocks
• Cretaceous - Paleogene
• Intruded in: Higashimata-Funayama Welded Tuff, Sokubotani Granodiorite Porphyry

• Sedimentary facies: Dyke
• Lithofacies: Biotite granite porphyry

• Distribution (Width): ca. 0.5 - 0.8 km
• Distribution (Length): ca. 4 km

• Distribution: Mount Sangenyama - Oiwake - Hyoedani valley, Osaka town, Gero city, Gifu pref.

• Yamada and Kobayashi (1988) Geology of the Ontakesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 9p.)