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| This hot spring contains high concentrations of silica which has been dissolved from Rhyolite by water which can be over 200 F. Rhyolite is the most prevalent volcanic rock in Yellowstone. The dark blue and bright orange areas are where the thermophile bacteria live and grow. The clear areas are where the water erupts from the ground, and it is too hot for these bacteria (meaning the temperature is over 167 F). | 2010_09_27_Yellowstone-10333-37_PanoEdit750.jpg |
| Photographer: Hali J. Sowle | Camera: Canon EOS 50D | Date: 9/27/10 2:45 PM | ISO: 400 | Exp. Mode: Aperture priority | Exp. Time: 1/125s | Aperture: 16.0 | Focal Length: 28.0mm |
| Total images: 107 | Last update: 1/1/11 12:04 AM | Email Mike | Email Hali | Help |