Exposure Factors Influence Stone Deterioration by Crystallization of Soluble Salts

Figure 6

(a) View of thin section NP40X. Geologic process or natural process of pore filling by calcium cement. (b) View through a binocular magnifier. Advance of the process of precipitation by formation of salts in a porous mass. (c) Transverse cut from the least affected part (interior zone) to the most affected.