Pamukkale, (cotton castle) natural hot spring travertine thermal mineral pools and terraces, Denizli, Turkey. Pammukale, originally the Greek city of
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funkyfood London - Paul Williams / Alamy Stock PhotoImage ID:
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34.5 MB (2.1 MB Compressed download)Releases:
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4256 x 2832 px | 36 x 24 cm | 14.2 x 9.4 inches | 300dpiDate taken:
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PamukkaleMore information:
Pamukkale, (cotton castle) natural hot spring travertine thermal mineral pools and terraces, Denizli, Turkey. Pammukale, originally the Greek city of Hierapolis, was built on top a natural travertine rock formation 2, 700 metres (8, 860 ft) long, 600 m (1, 970 ft) wide and 160 m (525 ft) high. There is evidence that for thousands of years, people have been drawn to the attraction of the thermal pools. Pamukkale's terraces are made of travertine, a sedimentary rock deposited by mineral water from the 17 hot springs that spout mineral water with temperatures ranging from 35 °C (95 °F) to 100 °C (212 °F). When the water, supersaturated with calcium carbonate, reaches the surface, carbon dioxide de-gasses from it, and calcium carbonate is deposited. Calcium carbonate is deposited by the water as a soft gel which eventually crystallizes into travertine.