Geyser Gazing, Spring Spotting, and Waterfall Watching
Day 3 at Yellowstone
Grand Prismatic Spring
• Statistics
• Microbial mats
• Water tint
• Outflow region
• Water vapor tint
Fairy Falls• Sheer, planar cliff
faces
• Artesian well?
• Faulting?
• Rhyolite dome?
Imperial Geyser
• What’s a geyser?
• Mechanics
• Outflow
Octopus Spring
• Hyperthermophilic microbes
• Microbial cooperation
• Taq polymerase
• Rocks with nasal problems
Old Faithful and
The Upper Geyser Basin
Morning Glory Pool