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Hoo Granite

• Plutonic rocks
• Central facies of the plutonic complex
• Miocene (13.7, 11.7,10.3 Ma, K-Ar)
• Intrusion: Miocene (15 Ma)
• Intruded by: Yakejizo Granite
• Intruded in: Akaishi Group

• Lithofacies: Hornblende biotite granodiorite
• Lithofacies (Minor): Aplite

• Distribution (East - West): ca. 8 km
• Distribution (South - North): ca. 20 km

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Hoo-sanzan, Yamanashi pref.; Ojirogawa river - Nigorigawa river, Hokuto city, Yamanashi pref.

• Ozaki and Sugiyama (2018) Geology of the Minobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 169p. (in Japanese with English abstract 7p.)
• Makimoto et al. (1996) Geology of the Takato District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 6p.)
• Kawachi et al. (1983) Geology of the Ichinose District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)