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Shirakabadaira Lava

• Volcanic rocks
• Pleistocene

• Lithofacies: Olivine hypersthene augite andesite

• Source: bottom of the east peak of Mount Shimagareyama
• Distribution (Width): 50 - 1,000 m
• Thickness: 1 m or thicker
• Running distance: ca. 5 km
• Lower limit: Unconformity (Kasuga Volcanic Rocks)

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

• Distribution: east peak of Mount Shimagareyama - Lake Amaike - Shirakabadaira - Menboiwa rock, Chino city, Nagano pref.

• Nishiki et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.5, pp.193-211 DOI
• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)