Fig. 8From: Looking for paint mixtures to glimpse pictorial techniques: a micro-stratigraphic physicochemical approach to the rock art from the Oyola’s Caves (Argentina)mRS results of white samples from Oyola 7. a Sample 329-07-02 showing the bands of hematite (h) and gypsum (G) and, b sample 329-07-30 showing the bands of hematite (h)Back to article page