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Karasawa stock
- Plutonic rocks
- A satellite stock of Kurobegawa Granite
- early Pleistocene (4.7, 2.3 Ma, K-Ar; 1.2 Ma, FT)
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Nagano pref.
- Ito et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.7, pp.449-456 DOI
- 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.)