• Section: Nature /Sunday 12th October 2014

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    * Badab-e Surt *

    باداب سورت

    (Wikipedia) - Badab-e Surt The red color of travertine terraces are due to iron carbonate

    Badab-e Surt (Persian: باداب سورت‎) is a natural site in Mazandaran Province in northern Iran, 95 kilometres (59 mi) south of the city of Sari, and 7 kilometres (4.3 mi) west of Orost village. It comprises a range of stepped travertine terrace formations that has been created over thousands of years as flowing water from two mineral hot springs cooled and deposited carbonate minerals on the mountainside.

    • 1 Etymology
    • 2 Geology
    • 3 Panoramic view
    • 4 Gallery
    • 5 Similar places
    • 6 References
    • 7 External links


    Badab is a Persian compound of Bād "gas" + āb "water", translating to "gassed water", referring to the springs'' waters being carbonated mineral waters. Surt is an old name for the Orost village and a Persian word meaning intensity.

    GeologyYellow travertine terraces, seen from above

    Badab-e Surt''s springs are two distinct mineral springs with different natural characteristics, located at 1,840 metres (6,040 ft) above sea level. The first spring contains very salty water that gathers in a small natural pool; its water is considered to have medicinal properties, especially as a cure for rheumatism and some types of skin diseases and skin conditions. The second spring has a sour taste and is predominately orange mainly due to the large iron oxide sediments at its outlet.

    Badab-e Surt''s terraces are made of travertine, a sedimentary rock deposited by flowing water from the two distinct mineral springs; they were formed during Pleistocene and Pliocene geological periods. When the water, supersaturated with calcium carbonate and iron carbonate, reaches the surface, carbon dioxide degases from it, and mineral carbonates are deposited. The depositing continues until the carbon dioxide in the water balances the carbon dioxide in the air. Iron carbonate and calcium carbonate are deposited by the water as soft jellies, but they eventually harden into travertine.

    As a result, over the course of thousands of years the water from these two springs emanating from the mountain range have combined and resulted in a number of orange-, red- and yellow-colored pools shaped as a naturally formed staircase. The surrounding vegetation to the north consists of pine forests while to the east it mainly consists of short trees and shrubs; and rock quarries can be seen to the west of the site.

    Panoramic viewPanoramic view from Badab-e Surt stepped travertine terracesGallery
    • Yellow and golden color travertine terraces

    Similar places
    • Mammoth Hot Springs in the USA
    • Pamukkale in Turkey
    • Huanglong, Sichuan in China

    Tags:Badab-e Surt, China, Iran, Mazandaran, Mazandaran Province, Orost, Persian, Sari, Turkey, USA, Wikipedia

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