Sunnyside lunch at Shibu Toge
Investigating Holocene ashes from Yugama at Yamada Toge. The white layer
is a fallout clay of 2,500 years ago.
Impacting structure
Climbing on top of the Oshi ignimbrite to see Apm
Biotite-bearing Apm tephra from Japan Alps (Hida Mtns) about 360,000
years ago
The new source of Kawarayu Hotspring
very hot and good water!