Sulphur Caldron - A distant view- Interpretive Sign - Yellowstone National Park
by Charles Robinson
Title
Sulphur Caldron - A distant view- Interpretive Sign - Yellowstone National Park
Artist
Charles Robinson
Medium
Photograph - Landscape Photograph
Description
Sulphur Caldron sits on the edge of one of the most active areas of Yellowstone’s buried volcano. The hole in the background is the open vent into the heart of the caldron. With a pH of 1, it is ten times more acidic than lemon juice. Sulphur-rich gasses rise furiously here, filling Sulphur Caldron with sulfuric acid. Incredibly, this muddy pool is teaming with life!
Billions of thermoacidophiles, including archaea and/or bacteria, thrive in Sulphur Caldron. They convert the pool’s hydrogen sulfide gas into sulfuric acid. The sulfuric acid breaks soil and rock into mud making this spring a muddy home.
Uploaded
January 2nd, 2024
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