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Patterns of change and continuity in ochre use during the late Middle Stone Age of the Horn of Africa: The Porc-Epic Cave record

Fig 7

Colours of ochre pieces from Porc-Epic Cave.

(A) Grey numbers represent the number of pieces. Colours per ochre piece are represented in separate histograms. R: red. DR: dark red; G: grey; BR: brown; O: orange; Y: yellow; BL: black. (B) Vertical distribution of main colours and colour associations on ochre pieces. Data is presented in percentages for 10 cm spits. (C) Main colours and colour associations on modified and unmodified ochre pieces by weight. (D) Main colours and colour associations on ochre pieces by raw material type. (E) Main colours and colour associations on ochre pieces by modification type.

Fig 7

doi: https://doi.org/10.1371/journal.pone.0177298.g007