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Hakami Volcanic Rocks

• Volcanic rocks
• Eocene (45 Ma, FT; 30 - 25 Ma, K-Ar)
• Intruded by: Ijimi Granite

• Lithofacies (Upper): Dacite - Rhyolite welded tuff
• Lithofacies (Lower): Andesite - Dacite lapilli tuff, Tuff breccia, Welded tuff

• Lower limit: Unconformity (Granite)

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

Distribution: Shimane pref.

• Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)