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Appendix A- 6 Output variables per experiment

Experiment Output Description
(1) Reason for stop I.e. lack of good angles, small size
(2) Number of strikes The number of strikes throughout the experiment
(3) Number of failed strikes The number of strikes that failed to detach material, or material of a significant size (i.e. > 10mm)
(4) Average fragment count per strike The average amount  of fragments per strike; overall and excluding complete flakes
(5) Count of cores Amount of resultant cores, including core fragments
(6) Number of child cores used If the ‘parent’ core fractured and the resultant pieces were then used, this will be recorded as a child core
(7) Weight of debitage ≥ 1mm These three sizes are used to qualify what are often standard grades in analysis: the 1mm parameter is devised due to the 1 mm sieve under this size is not generally recorded; the 5 mm parameter is devised due to the 5 mm sieve that is used ‘on-site’ during the excavations at Belderrig; the 10mm category is used, as this size is commonly used as a cut off point (cf. Ballin 2000; Woodman et al. 2006), and therefore this can quantify this category in an experimental assemblage
(8) Weight of debitage ≥ 5 mm
(9) Weight of debitage ≥ 10mm
(10) Count of debitage ≥ 10mm  

Appendix A- 7 Core attributes

Core Attributes Description
(1) Child core # If the ‘parent’ core fractured and these ‘child’ cores were then used, this will be recorded as a child core, and the resultant debitage from this child core can be identified
(2) Type Single platform
Dual, opposed
Multiplatform
Bipolar
(3) Sub type Conical piece
Radially split
(4) Fragment
(5) Fragment siblings The record number(s) of the core fragments which conjoin to it
(6) Impact mark For bipolar cores
(7) Distal impact mark
(8) Curvature For bipolar cores
(9) Max. length (mm) Cores are measured with the greatest dimension as the length, and the smallest dimension as the thickness. They are measured along the three main axes.
(10) Max. width (mm)
(11) Max. thickness (mm)
(12) Edge angle (rounded to nearest degree)
(13) Weight (g)
(14) Cortex 0% While technically quartz does not have cortex, the term cortex is used as a shorthand for the exterior surface with physical or chemical weathering, excluding heat altered
1-49%
50-99%
100%

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