The Sassanian bas-reliefs are among the most significant historical artifacts of ancient Iran, primarily found in the province of Fars. Approximately 30 Sassanian bas-reliefs exist in Fars, depicting scenes related to power demonstrations, court proceedings, and battles or hunting scenes. Unfortunately, many of these bas-reliefs have suffered damage over the years due to their outdoor exposure and the impact of climatic conditions. Depending on the type of stone and their geographical location, they have been gradually eroded. Given their historical importance for Iran's cultural heritage, a comprehensive program involving study, documentation, conservation planning, and restoration is crucial. The Naqsh-e Rostam Relief Complex houses more than 11 bas-reliefs and numerous inscriptions, all situated in open-air environments and vulnerable to environmental factors such as rain, wind, and temperature fluctuations. These elements have contributed to the gradual deterioration of these ancient artworks. The central question addressed by this article pertains to the process of studying, assessing damage, documenting, and planning the conservation of a rock relief. To answer this, a combination of field and laboratory methods has been employed, including petrography, X-ray diffraction (XRD), and X-ray fluorescence (XRF). The results indicate both physical and chemical weathering in the limestone structure, leading to various forms of damage such as erosion, flaking, cracking, and breakage. Therefore, protective and conservation measures for these prominent bas-reliefs should focus on strengthening and preserving their surfaces against deteriorating agents.
Type of Study:
Original Research Article |
Subject:
Conservation and restoration of historical-cultural monuments Received: 2024/09/7 | Accepted: 2023/11/1 | Published: 2023/11/1
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