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Since the beginning of the 1990's, the travertines at Pamukkale, south-west Turkey, have faced a serious environmental pollution problem. The travertines were originally snow-white in colour, but this colour has been turning into pale grey. In addition to other features, the snow-white colour and the huge mass of rocks on the edge of Pamukkale plat...
Contexts in source publication
Context 1
... is situated in the south-west of Turkey (Fig. 1). Pamukkale (meaning 'cotton castle') is one of the major tourist spots in Turkey. The most attractive feature of Pamukkale is the presence of massive, pres- ently forming, snow-white travertines, which are being deposited on the cliff side of the edge of the Pamukkale Plateau. CaCO 3 -rich thermal spring waters running along the ...
Context 2
... data were expressed as µg/g (ppm). During this work the following analytical spectral lines (nm wavelength) were used for the elements concerned: Al (396.153) Five samples were analyzed for total organic carbon (TOC) in order to determine if the darkening of the tra- vertines is the result of organic effects. ...
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Citations
... As a result of increasing population and industrialization in recent decades, Turkey has faced to several environmental pollution problems. The pollution is especially noteworthy in crops, trees and soil profile [1,2]. The pollution is also effective on building stones used in either present day constructions or historical buildings and monuments. ...
In this study, we investigated the chemical and physical properties of the volcanic rocks used as building stones in historical places and monuments. The chemical weathering effect of salt crystallization on these stones was measured on the laboratory conditions (in most cases, used samples were very small). For this purpose, the dry weight loss (DWL) test was conducted. The rocks of dacite, andesite and tuffs of volcanic origin have different durability against salt crystallization. The most stable rocks are dacites (DWL 2.06%) which were used in the construction of Hittite monuments at Eflatun. The durability of the stones is closely related to their chemical, mineralogical, petrographical and mechanical properties. The stones used in the historical buildings are generally much more stable than present-day building stones.
