10 Incríveis terraços de travertino do Mundo

10 Amazing Travertine Terraces of the World
Travertine is a form of limestone deposited by mineral springs, especially hot springs. Travertine often has a fibrous or concentric appearance and exists in white, tan, and cream-colored varieties. It is formed by a process of rapid precipitation of calcium carbonate, often at the mouth of a hot spring or in a limestone cave. In the latter, it can form stalactites, stalagmites, and other speleothems. It is frequently used in Italy and elsewhere as a building material.
Travertine is a terrestrial sedimentary rock, formed by the precipitation of carbonate minerals from solution in ground and surface waters, and/or geothermally heated hot-springs. Similar (but softer and extremely porous) deposits formed from ambient-temperature water are known as tufa.

1. Pamukkale, Turkey
(UNESCO World Heritage)

2. Huanglong, Sichuan Province, China
File:1 huanglong pools aerial 2011.jpg
(UNESCO World Heritage)

3. Baishuitai, Yunnan, (Tibetan area), China

4. Semuc Champey, Guatemala

5. Badab-e Surt, Iran
File:Badabeh surt.jpg

6. Mammoth Hot Springs, U.S.
File:Yellowstone p1100309 rotated.jpg

7. Hierve el Agua, Mexico

8. Waimangu, New Zealand

9. Hammam Meskhoutine, Algeria

10. Cascate del Gorello a Saturnia, Tuscany, Italy
File:Cascate del Gorello a Saturnia.jpg

Source: wikipedia.org


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