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Happo-One Ultrabasic Body Matsuhisa, 1968

• Ultramafic rocks
• Permian

• Lithofacies: Dunite

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Happo-one ridge - Mount Nishitomiyama - Hachimine-Kiretto - Hakuba-Goryu skii field, Hakuba city, Kitaazumi county, Nagano pref.

• Nakano et al. (2002) Geology of the Shiroumadake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 105p. (in Japanese with English abstract 5p.)
• Kato et al. (1989) Geology of the Omachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 7p.)