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Nanashizawa Diorite

• Plutonic rocks
• A satellite stock of Kurobegawa Granite
• early Pleistocene (4.7 Ma, K-Ar)

• Lithofacies: Granodiorite

• Intruded in: Tsumetazawa Granodiorite, Kojisawa Diorite

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

• Distribution: Nanashizawa creek, Takasegawa river, Omachi city, Nagano pref.

• Harayama et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.63-81 DOI
• Harayama et al. (2000) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 218p. (in Japanese with English abstract 6p.)
• Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)