View of Mammoth Hot Springs in Yellowstone National Park from the trail with hot water flowing from underground and spilling over the edge of a terrace that's constantly building up from the minerals, calcium carbonate, the water deposits. Steam rises from the water as it emerges from underground. The minerals form where the stream of water drips down, leaving an "icicle" of minerals. A couple of the chunks of mineral having broken off in the past and you can see the "icicles" point upward near the left-center of the screen. Another chunk is lying on its side with orange bacterial growth at the center.
This feature is in a state constant, gradual change and can engulf trees, and even parts of the terrace that are older, or the flow can shift and leave a section of the terrace dry and subject to erosion. This picture was taken with an ISO of 100, f/8, and 1/800 sec. The shutter speed helped to capture the drops of water spilling over the edge of the upper terrace.
Remember, it's not just a picture, it's a story!
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