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. 2017 Apr 26;12(4):e0176317. doi: 10.1371/journal.pone.0176317

Table 4. Analysis of the properties of the utilized and unutilized ochre pieces from the earlier MSA at Rose Cottage Cave.

Post-HP (N = 271) HP (N = 132) Pre-HP (N = 78) Total (N = 481)
OCHRE PROPERTIES Unutilized Utilized Unutilized Utilized Unutilized Utilized Unutilized Utilized
n = 241 n = 30 n = 121 n = 11 n = 61 n = 17 n = 423 n = 58
% n % n % n % n % n % n % n % n
Geological Form Shale 48.5 76.7 58.7 54.5 42.6 64.7 50.6 69
Mudstone 7.1 10 3.3 9.1 13.1 11.8 6.9 10.3
Siltstone 10 3.3 9.9 18.2 4.9 - 9.2 5.2
Sandstone 18.3 6.7 13.2 9.1 16.4 - 16.5 5.2
Snuffbox Shale 11.6 - 7.4 - 21.3 - 11.8 -
Iron Oxide 4.1 3.3 5 9.1 1.6 23.5 4 10.3
Other 0.4 - 2.5 - - - 0.9 -
Grain Size Clayey 39.4 66.7 52.1 45.5 54.1 35.3 45.2 53.4
Clayey/Silty 7.1 6.7 3.3 9.1 6.6 5.9 6.9
Silty 22.8 16.7 17.4 18.2 14.8 58.8 20.1 29.3
Silty/Sandy 18.3 6.7 17.4 18.2 11.5 - 17 6.9
Sandy 12.4 3.3 9.9 9.1 13.1 - 11.8 3.4
Hardness Soft 55.2 63.3 71.9 54.5 67.2 70.6 61.7 63.8
Medium 43.6 36.7 26.4 36.4 32.8 29.4 37.1 34.5
Hard 1.2 - 1.7 9.1 - - 1.2 1.7
Colour Dark red 11.6 20 5.8 18.2 8.2 17.6 9.5 19
Bright red 47.7 50 47.1 63.6 36.1 47.1 45.9 51.7
Weak red 1.7 - 12.4 9.1 1.6 - 4.7 1.7
Purple-red 12.4 20 7.4 - 3.3 11.8 9.7 13.8
Brown-red 7.5 3.3 5.8 - 24.6 17.6 9.5 6.9
Orange 5.4 - 5.8 9.1 9.8 - 6.1 1.7
Yellow-brown 2.5 3.3 0.8 - 9.8 - 3.1 1.7
Yellow 0.8 - 3.3 - 1.6 - 1.7 -
Brown - - - - - - 0 -
Grey 5 - 7.4 - - - 5 -
Dark Colours 3.3 3.3 0.8 - 4.9 5.9 2.8 3.4
Two colours 2.1 - 3.3 - - - 2.1 -
Mica Present 15.4 23.3 38.8 36.4 6.6 5.9 20.8 20.7
Piece size ≤1.5 cm 49 36.7 37.2 27.3 27.9 - 42.6 24.1
3–1.6 cm 46.5 53.3 51.2 27.3 49.2 52.9 48.2 48.3
>3 cm 4.6 10 11.6 45.5 23 47.1 9.2 27.6

Values are the percentage frequency of pieces in the unutilized and utilized assemblages, per technocomplex, with each property. An arbitrary cut-off (≥40%) was chosen to highlight elevated values (shaded). A dash (-) represents 0%. The pieces possibly utilized assemblage are excluded here.