Allan: Are those tufa towers Mono-mineralic?Tufa towers at Mono Lake. Even spotted some obsidian!Panum Crater. Breadcrusted obsidian blocks in the lava dome. Beautiful!Soaking it all in.Will count pumice for food.Fishing for pumice… are these big enough to keep?Bald mountain. Home of the best outhouse in the valley.Owens River Gorge.Chalfant Quarry showing fall layers F1-F9, overlying ignimbrite Ig2E, and a little Ig1Eb sneaking in…Basal fall deposit. Can you spot the F1– F2 boundary?Let’s make the geophysicist do it.
