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Shiroyama Volcanic Rocks Hayatsu, 1985

Invalid synonym: Shiroyama Lava

• Type locality: Mount Shiroyama, Shinano city, Kamiminochi county, Nagano prefecture
• Volcanic rocks
• Parasitic cone
• middle Pleistocene (0.64, 0.61 Ma, K-Ar)

• Lithofacies: Hornblende-bearing augite hypersthene andesite

• Distribution (Diameter): ca. 400 m
• Height: 120 m

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

• Distribution: Mount Shiroyama, Shinano city, Kamiminochi county, Nagano pref.

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)