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Appendix A- 88 Thornhill bipolar and bipolar-on-platform cores: cortex proportions by context

Context summary Cortex
0% 1-49% 50-99% Total 0% 1-49% 50-99%
Count Count Count Count % % %
Topsoil/surface 26 3 13 42 61.9 7.1 31.0
Stratum 2 2 3 7 28.6 28.6 42.9
Pit - possible pit 2 1 5 8 25.0 12.5 62.5
Palisade 2 4 - 6 33.3 66.7 -
Linear/slot cut 3 - 1 4 75.0 - 25.0
Structure - 3 1 4 - 75.0 25.0
Other 2 2 - 4 50.0 50.0 -
Total 37 15 23 75 49.3 20.0 30.7

Appendix A- 89 Thornhill bipolar cores. Means: weight, length, width, thickness, length/weight ratio

Bipolar core Weight Max
Length
Max Width Max Thickness Length/Weight ratio
Complete Mean 30.34 36.33 27.58 20.69 2.26
N 50 50 50 50 50
Std. Deviation 32.33 11.21 9.24 8.17 1.56
Minimum 3.08 17.80 12.40 8.60 0.33
Maximum 187.76 62.30 53.80 46.50 7.01
Fragment Mean 9.51 25.83 22.91 14.34 3.94
N 22 22 22 22 22
Std. Deviation 7.33 5.98 7.58 4.60 2.27
Minimum 2.18 13.50 11.80 6.90 0.89
Maximum 29.77 35.20 47.60 23.70 9.19
Total Mean 23.98 33.12 26.15 18.75 2.77
N 72 72 72 72 72
Std. Deviation 28.82 11.00 8.98 7.81 1.95
Minimum 2.18 13.50 11.80 6.90 0.33
Maximum 187.76 62.30 53.80 46.50 9.19

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