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Located at Mammoth Hot Springs in Yellowstone National Park, USA, it is the world’s largest known carbonate-deposit hot spring. Millions of years ago, seawater at the bottom of the Mammoth region left behind thick layers of precipitated limestone. Whenever hot acidic water flows through the rock layers to the surface of the hot spring, it dissolves large amounts of this precipitated limestone. Upon exposure to air, some of the carbon dioxide in the solution evaporates. At the same time, solid minerals form and eventually settle as pristine travertine, giving the Mammoth Hot Springs area its vast, frosting-like terraced landscape. This unique scenery also ranks Mammoth Hot Springs among the world’s most captivating hot springs.
The colorful travertine terraces of Mammoth Hot Springs are truly stunning. (Image source / kevinmcnealphotography)
Mammoth Hot Springs covers a vast area and is the world’s largest known carbonate-deposit hot spring. (Image source / nps.gov)
Hot spring water gushes from limestone layers, dissolving calcium carbonate in the process. When the hot water reaches the surface and cools, the calcium carbonate becomes oversaturated and precipitates, forming terraced limestone platforms.
The textured folds built up over the years resemble nature’s carved artistry. (Image source / geo1202)
Underground outlets blocked by sediment cause the spring water to flow to other exits, forming new platforms. From a distance, these look like piles of glittering gold and jade, with beautifully irregular patterns created by the activity of algal microorganisms in the deposited spring water. These patterns appear in yellow, white, brown, and other colors, layering upon each other to form dreamlike, multicolored terraced fields.
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