Champagne Thermal Pool
The siliceous geothermal fluid is oversaturated with metalloid compounds such as orpiment (As2S3) and stibnite (Sb2S3), which precipitate and form orange subaqueous deposits. The colourful deposits are in sharp contrast to the grey-white silica sinter surrounding Champagne Pool.
Taken in Natures Wonderland NZ
Uploaded on November 23, 2012