Havara

Havara is a type of chalky, powdery mixture of silt and limestone that is predominantly calcium carbonate in composition.[1]: 110–1  It tends to form a surface coating of "limestone-marl areas".[1]: 111  It is common in Cyprus, where it is used as gravel for roads.[1]: 110  Soft and easily carved, it is widely used in construction throughout the Middle East.[2]: 205  For example, it was used for the interior of the Gaziantep railway station.[2]: 205  Havara is vulnerable to weathering.[3]: 162 

References
  1. Schirmer, Wolfgang (1998). "Havara on Cyprus - a surficial calcareous deposit". E&G Quaternary Science Journal. 48 (1): 110–7. doi:10.3285/eg.48.1.11. hdl:11858/00-1735-0000-0001-BA92-3. Retrieved 19 February 2023.
  2. Aycı, Hilal; Özer, Derya Güleç; Güleç, Abdulkadir (2020). "A Spatial Analysis of Gaziantep Railway and Its Station Throughout History". Periodica Polytechnica Architecture. 51 (2): 196–208. doi:10.3311/PPar.15799. Retrieved 19 February 2023.
  3. Gürpinar, Okay; Yalçin, M. Namık; Gözübol, Ali Malik; Tuğrul, Atiye; Dalgiç, Süleyman; Kürkanç, Mustafa; Hoşgömerz, Hakan; Altinok, Yıldız; Özer, Naşide; Özler, Murat; Bulkan-Veşıladali, Özlem; Ündül, Ömer; Zarıf, İ. Halil; Şenyuva, Tahsin (2004). "Birecik (Şanlıurfa) Yöresinin Temel Jeolojik Özellikleri ve Jeolojik Miras Envanteri". TUBA Kültür Envanteri Dergisi. 2: 157–68. doi:10.22520/tubaked.2004-2.0007. Retrieved 18 February 2023.
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