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As-UG Tephra
Abbr.: As-UG
Invalids synonym: UG, AS23-25, TnP-III
- Tephra
- Pleistocene (ca. 12 ka, 14C)
- Lithofacies: Vitreous tephra
- Ueki et al. (2013) Geology of the Hachioji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 137p. (in Japanese with English abstract 6p.)
- Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)