Lobby > Exhibits > Hot Spring Ecology > Microbes > Meet the Microbes > Acidic Springs

ACIDIC SPRINGS

There are several very acidic hydrothermal areas in Yellowstone, most notably at Norris Geyser Basin and in the Mud Volcano area. The colors in acidic hot springs are due to the presence of minerals and to microorganisms. Some minerals are eaten and metabolized by microbes!

Environment
Alkaline Siliceous Springs	Acidic Springs	Neutral Sulfide-rich Carbonate Springs

Next | 1 > 2 > 3 > 4 > 5 > 6 > 7 > 8 | Return to: Hot Spring Ecology