raknight_...
Why do the trees in the thermal areas of Yellowstone turn white? Is it limestone?
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Yellowstone National Park, Wyoming, Auto/Motorcycle, Geology, Flora & Fauna, Hiking, Volcanology
9 years ago
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Dr. Phili...
7 Answers
3Helpful Answer Rating

The white you see is probably silica.  The thermal features pass through rhyolite which is most likely the source of the silica.

9 years ago
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