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Aboyama Diorite Harayama, 1990

• Type locality: Abodaira, Okuhidaonsengo, Takayama city, Gifu prefecture
• Plutonic rocks
• Miocene (0.9 Ma?, K-Ar)

• Sedimentary facies: Stock
• Lithofacies: Hornblende biotite augite hypersthene diorite, Tonalite

• Distribution (Major axis): 1.3 km
• Distribution (Minor axis): 0.6 km

• Distribution: Abodaira - Mount Aboyama, Okuhidaonsengo, Takayama city, Gifu pref.; Kurahorazawa creek, Azumi, Matsumoto city, Nagano pref.

• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)