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Carbon Cycle

Photo of the Day: Champagne Pool

09/01/15

Champagne Pool is one of several hot springs in Waiotapu, New Zealand. Visible in this picture as a cream-colored, raised surface is a rim of sinter, an incrustation deposited by geothermal activity. Orange sinter lies just below the water’s surface and is rich in arsenic, antimony, thallium, mercury, gold, and... [read more]

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