Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40494-020-00409-9/MediaObjects/40494_2020_409_Fig5_HTML.png)
mRS analyses of white paintings at Oyola 7. a Sample number 329-07-03 showing the bands of calcite (C); b sample number 329-07-14 showing the bands of gypsum (G)
mRS analyses of white paintings at Oyola 7. a Sample number 329-07-03 showing the bands of calcite (C); b sample number 329-07-14 showing the bands of gypsum (G)