Table 51. Debitage Sample Reanalysis by Arakawa, Sand Canyon Pueblo: Cortex by Material Type
Cortex
Total
Present
Absent
Unknown
N
%
N
%
N
%
N
%
Local Materials
Burro Canyon chert
2
1.9
5
2.3
7
1.2
Dakota/Burro Canyon silicified sandstone
14
13.6
44
20.0
58
9.8
Morrison chert
4
1.8
4
0.7
Morrison mudstone
40
38.8
78
35.5
199
73.7
317
53.5
Morrison silicified sandstone
33
32.0
74
33.6
71
26.3
178
30.0
Igneous
2
1.9
5
2.3
7
1.2
Sandstone
1
1.0
1
0.2
Semilocal Materials
Agate/chalcedony
1
1.0
5
2.3
6
1.0
Brushy Basin chert/siltstone
6
5.8
3
1.4
9
1.5
Nonlocal Materials
Obsidian
2
0.9
2
0.3
Unknown Materials
Unknown chert/siltstone
4
3.9
4
0.7
TOTAL
103
100.0
220
100.0
270
100.0
593
100.0
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