Fig. 9

Geographical distribution of evaporitic sediments (top), whose ⁸⁷Sr/⁸⁶Sr and δ³⁴S isotopic signatures are known from either literature or measurements undertaken within the present study. The rectangles in the graphical representation (bottom) of the isotope values of both, Beautiful Pietàs under study and gypsum stones, represent the excerpts shown in Figs. 10 and 11. The full list of locations, assigned numbers and literature references is given in Table 1