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Matsuki-type Granitic Rocks Yanai, 1972

• Plutonic rocks
• Early Cretaceous (K-Ar, Ar-Ar)

• Lithofacies: Quartz diorite, Granodiorite

• Distribution: Matsuki, Ashio town, Nikko city, Tochigi pref.

• Ito et al. (2022) Geology of the Kiryu and Ashikaga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)