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Appendix A- 8 Debitage attributes

Debitage attributes Description
(1) Class Flake The flakes are not subdivided into flake/blade.
Debris
(2) Type Platform Regular or irregular sliver = debris with max. thickness <3mm
Bipolar
Debris
Sliver
(3) Sub type Size grades of debris and sliver: ≥20mm, <20≥10mm, <10≥5mm <5≥1mm, <1mm
(4) Morphology Curvature Straight
Concave
Convex
Lateral margins Parallel
Symmetrical, not parallel
Irregular
(5) Bulb Present Major
Diffuse
Absent
(6) Compression ring Present
Absent
(7) Point of impact Present
Absent
(8) Fissures Present
Absent
(9) Termination Feather
Step
Hinge
Plunging
Irregular
Absent
(10) Fragment See Figure 6‑7 for fragment recording
(11) Break type Siret See Figure 6‑7 for break recording
Uneven
Clean
Crystal plane
Sequential
(12) Weight (g)
(13) Max. length (mm)
(14) Max. width (mm)
(16) Max. thickness (mm)
(17) Edge angle (rounded to nearest degree)
(18) Platform Present Flat
Rounded
Prepared
Abraded
Fragment
Collapsed
Width
Thickness
Absent
(19) Cortex 0% See core cortex description
1-49%
50-99%
100%

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