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. 2020 Aug 5;15(8):e0235421. doi: 10.1371/journal.pone.0235421

Fig 5. Mn areal density on the rock art elements.

Fig 5

(a) NMn values of the petroglyphs grouped by motifs; (b) DMn values of the petroglyphs grouped by motifs. (“Symbols” includes “shaman’s bag” and “bear paw” motifs; PBA: pattern-bodied anthropomorph). The yellow bars represent the ages of the motifs based on the chronology of Rogers (2010). Symbols: "Medicine bag" (green), "Bear paw" (red); PBA: patterned-body anthropomorphs; Anthrop.: other anthropomorphs. The error bars represent the standard deviations of replicate measurements on each rock art element.