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M2

Invalid synonym: A-2

• Plutonic rocks
• Zoned pluton
• Early Cretaceous

• Lithofacies: Adakitic - Calc-alkaline, Mafic
• Lithofacies: Biotite hornblende quartz diorite, Biotite hornblende Tonalite

------ 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