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Shiri A, Fadaie H, Razavi L, Rakhshandehkhoo M, Alikhah M R, Mohtasham Z. Damage Diagnosis of Rock Reliefs, Case Study: the Tomb of Xerxes. KCR 2023; 6 (4) :54-64
URL: http://kcr.richt.ir/article-6-1741-en.html

Stone structures are susceptible to weathering and erosion over time, necessitating the identification and elimination of damaging factors to ensure their preservation. This research focused on diagnosing the damage to the tomb of Xerxes located at the historical site of Naqsh-e Rostam through a multidisciplinary approach encompassing library research, field observations, laboratory analyses, and geological studies. Petrographic studies revealed that the rocks comprising the tomb belong to the Seruk Formation. The sedimentary sequence within this formation exhibited thick and light-colored limestone layers. Utilizing the geophysical technique of Ground Penetrating Radar (GPR), two major fractures were identified along the boundaries of the tomb. These fractures predominantly followed north-south and east-west orientations. The intersection of these fracture sets, combined with the layering surfaces, resulted in the development of dissolution phenomena, leading to the formation of dissolution holes and cavernous porosity on the structure. Additionally, field studies investigated the presence of plants and cyanobacterial lichens on the tomb.