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Objective
Our Grading
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Percussion vs
Pressure
Grading & Scoring
Percussion
Grading
& Scoring Pressure
The
subjective
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Grading and Scoring Percussion
Flintknapping
work:
Texas flint biface
blade:
155 mm long
63.9
mm average width
4.5 mm average diameter
Ave W/T=14.2/1
Ave
L/T=34.4/1
1) 125 pts
2) 110 pts
3) 1152
pts
4) 700 pts
Averaging Total
Score= 2087
Standard Score
155mm long
68mm wide
7mm Thickest Diameter
W/T=9.7/1
L/T=22/1
1.
125pts
2. 110 pts
3. 333pts
Total Score=568
Turkey
tai
l made from Texas Flint
7 1/8
inches long or 181 mm
3 3/8
inches wide or 86 mm
13/32
inch diameter or 10.5
mm
W/T=8.2/1
1)165 pts
2)240 pts
3)246pts
Total Score= 651
Biface Made from Texas Flint
8 1/4 inches long
3 3/4 inches wide
7/16 inch diameter
1)210 pts (6X20=120
2.25X40= 90
120+90= 210)<
/STRONG>
2)309 (8.25X3.75=30.9X10=309)
3)261 (3.75/.43=8.7X30=261)
Total
Score= 780
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