fulltext - Simple search

Greg R. Nunn
Type 1C Attribute Table
Table 3. Dagger Number 3.
Material: Gray Banded Obsidian from Glass Buttes Oregon; core blank
Attributes 1 2 3 4 5 6 7 8
Length - cm 41 33,5 33,5 33,2 31,7 31,5 31,4 31,4
Width at widest span - cm 22,3 17,5 13,2 9,2 5,3 4,8 4,65 4,5
Thickness at widest span - cm 7,7 2,8 2,4 1,9 1,15 0,95 0,79 0,79
Width to thickness ratio 1: 5.5 1: 4.8 1: 4.8 1:5 1: 5.8 1: 5.7
Weight (g) 134,2
Total grinding strokes 7300
Width lost from grinding - cm 0,5
Thickness lost from grinding - cm
Weight (g) lost from grinding
0,2
0,15
0,16
0,15
Time per stage - min. 0 min. 25 min. 75 min. 170 min. 205 min. 270 min. 35 min. 15 min.
Total Time
86
13 HRS.
15 MIN.
Remarks: The latter part of stage 2 resulted in a massive overshot which created a major disadvantage. The biface instantly advanced to the
Type 1C Attribute Table
Table 4. Dagger Number 4.
Material: Gray Banded Obsidian from Glass Buttes Oregon; Spall
Stage
Attributes 1 2 3 4 5 6 7 8
Length - cm 35,3
Width at widest span - cm 5,7
Thickness at widest span - cm 0,85
Width to thickness ratio 1: 6.7
Weight (g) 227,5
Total grinding strokes 8600
Width lost from grinding - cm
Thickness lost from grinding - cm
Weight (g) lost from grinding
Time per stage - min. 303 min.
Total Time
Stage