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Appendix A- 102 Thornhill vein quartz bipolar flakes. Platform type, bulb, compression rings, termination, lateral margins, curvature for appropriate flakes

Count %
Platform type Rounded 5 8.2
Flat 1 1.6
Fragment 4 6.6
Collapsed 51 83.6
Total 61 100.0
Bulb Present - -
Absent 61 100.0
Total 61 100.0
Compression rings Absent 64 100.0
Present - -
Total 64 100.0
Termination Feather 6 60.0
Irregular 4 40.0
Total 10 100.0
Lateral margins Irregular 63 98.4
Regular 1 1.6
Total 64 100.0
Curvature N/A[a] 2 3.1
Concave 1 1.6
Convex 24 37.5
Straight 37 57.8
Total 64 100.0
Cortex 0% 49 76.6
1-49% 4 6.3
50-99% 8 12.5
100% 3 4.7
Total 64 100.0
[a]These two fragments were small, making it difficult to categorise the curvature.[return].

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