Sulfur-rich coating on a newly-formed siliceous sinter
by Hugo Beraldi, UNAM, Mexico, Mexico
The pH of these hot springs varies from 6 to 9, but occasionally one can find sulfur deposits. Here is an example.
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Submitted on 25 February 2016
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Creative Commons Attribution 3.0 Unported (CC BY 3.0)
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Hugo Beraldi (distributed via imaggeo.egu.eu)
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