Small acidic hot spring in the Gibbon Geyser Basin of Yellowstone National Park
![Small acidic hot spring in the Gibbon Geyser Basin of Yellowstone National Park](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Figure%203%20Goldilocks%20on%20the%20DL.jpg?itok=rY7kyPHw)
Detailed Description
An unnamed small acidic (pH ~3) hot spring (with a temperature of about 55°C at the source) in the Gibbon Geyser Basin of Yellowstone National Park. The yellow region is due to the precipitation of sulfur by sulfide-oxidizing chemotrophic microorganisms. The presence of phototrophic microorganisms (here mostly algae) is indicated by the bright blue-green chlorophyll pigments.
Sources/Usage
Public Domain.