Thursday, September 26, 2013

[jules' pics] Yellowstone revisited - blueish and yellowy

The Yellowstone post that got forgotten...
blu&yellow-2
blu&yellow-4
blu&yellow-3
blu&yellow


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Posted By Blogger to jules' pics at 9/26/2013 04:21:00 PM

2 comments:

EliRabett said...

sulfur, or something scarier?

James Annan said...

The orangey stuff is bacterial mats. As is the green (different bacteria). There is certainly sulphur too, in places.