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M4

Invalid synonym: Uchinosawa type

• Plutonic rocks
• Zoned pluton
• Early Cretaceous

• Lithofacies: Adakitic - Calc-alkaline, Mafic
• Lithofacies: Biotite granodiorite, Granite
• Lithofacies (Minor): Hornfels blocks

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

• Distribution: Iwate pref.

• Tsuchiya et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.159-179 DOI