The algae, bacteria and crystal formations in Yellowstone are almost unreal.
These are some of the lesser known "wildlife" one sees in Yellowstone. Depending on the temperature, different color algae and bacteria line manyof the hot springs in the geyser basins. In others, the calcite deposits form rapidly on the vegetation around the features.
Credits: AASPN: WeatheredNeutrals paper; FlutterByFN1-5
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