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Lower Washidake Lava

• Volcanic rocks
• Pleistocene (0.14 Ma)

• Lithofacies (Upper): Quartz hornblende hypersthene biotite augite andesite lava
• Lithofacies (Lower): Hypersthene augite andesite scoria

• Thickness (Upper): ca. 100 m
• Thickness (Lower): ca. 20 m
• Upper limit: Unconformity (Upper Washidake lava)
• Lower limit: Unconformity (Yukawadani Volcanic Rocks)

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

• Distribution: Mount Washidake - Goshikigahra, Toyama city, Toyama pref.

• Nakano et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.37-48 DOI
• Harayama et al. (2000) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 218p. (in Japanese with English abstract 6p.)