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In the Göttingen region, the local Buntsandstein unit was deposited during the Early Triassic. The rock fabric is strongly inhomogeneous, as the layering, changes in composition and partly show a high clay content (Kracke et al. 2008).

By comparing all the grave monuments in the historical cemetery, it became clear that, the east sides of the objects are especially affected by weathering. This orientation-dependent damage is due to the prevailing wind and rain direction from the west. While the west sides are regularly moistened and washed off by driving rain, the drying processes, preferably take place on the east sides where harmful salts accumulate (Fig. 2b). The salts are primarily nitrate and sulphate compounds (Wedekind et al. 2008).

Figure 2: a) The desalination of the three tombstones and b) weathering model.