Sponge Geyser looks like it is always boiling over the color of the rim and outflow is determined by cyanobacteria, based on water temperature.


Sponge Geyser doesn’t have eruptions blasting out of the vent it is classified a geyser. The near constant eruption looks like it is always boiling over. The small water spurt on top of the left rim does not emerge from the pool but from a separate vent embedded in the rim. The crater is continuously built up of geyserite deposits slowly increasing the height of the lip.


Size: 3504px × 2336px
Location: Yellowstone National Park
Photo credit: © Gary Schimelfenig / Alamy / Afripics
License: Royalty Free
Model Released: No

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