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Heromachi Body
- Plutonic rocks
- Early Cretaceous
- Lithofacies: Hornblende biotite tonalite
- Distribution: Iwate pref.
- Yoshida et al. (1987) Geology of the Rikuchu-Ono District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)