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June 11, 2026npj Heritage ScienceOpen Access

Mechanism of salt-induced deterioration of stone stele in arid environments of Northwest China

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Authors

LZLiangshuai ZhangXSXiyu SongWSWanling SongHenan Provincial Institute of Cultural Heritage and Archaeology

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Overview

Randomized trial investigates salt weathering effects on sandstone relics, suggesting conservation strategies.

Key Points

  • This research aims to identify the mechanisms of salt-induced deterioration affecting sandstone relics in arid environments.
  • Comprehensive analytical approach including microscopic, mineralogical, and chemical analyses.
  • Investigation of soluble salts such as sodium sulfate and sodium carbonate linked to groundwater.
  • Analysis of pore structure and its relations with salt accumulation and crystallization.
  • Sodium sulfate and sodium carbonate identified as primary salts causing deterioration.
  • Crystallization pressures lead to structural weakening, resulting in powdering and flaking.
  • Limited pore connectivity contributes to enhanced salt accumulation.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a2a515980c8f91e7f39d995https://doi.org/10.1038/s40494-026-02521-8
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Also Consider

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  1. 1Study on the Deterioration Characteristics of Sandstone Cultural Relics Under the Synergistic Action of Dry-Wet Cycles and Acids, Alkalis, Salts and Composite Solutions2026 · 1 citations
  2. 2Salt Weathering Risk Under Hygrothermal Cycling in Stele 17, Qianlong Stone Classics, Beijing2026
  3. 3Driving mechanisms and hydro‐chemical variation for assessing salt‐induced weathering of sandstone in grotto relics2024 · 10 citations
  4. 4Quantitative analysis on the impact factors of salt weathering for sandstone grottoes along Silk Road, China2024 · 8 citations
  5. 5The weathering mechanism of sandstone in Shigongsi Grottoes excavated at Northern Wei Dynasty, Huating, Gansu Province, China2026