Artifacts

by Scott G. Ortman

Table 26. Percents of Chipped-Stone Tools by Material, Castle Rock Pueblo

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Formal Tools
Cores and Core Tools
Expedient Tools
Material Class
Raw Material
Biface
Drill
Projectile Point
Core
Modified Core
Peckingstone
Modified Flake
Chipped-Stone Tool
Total
Local
Dakota quartzite
47.1
12.5
35.4
7.4
0.0
20.5
11.6
13.8
16.3
Morrison chert/siltstone
5.9
37.5
4.2
52.2
50.0
37.5
53.7
41.4
41.1
Morrison quartzite
0.0
0.0
0.0
12.5
0.0
27.3
17.9
13.8
14.7
conglomerate
0.0
0.0
0.0
1.5
0.0
2.3
0.0
0.0
.9
igneous
0.0
0.0
0.0
5.9
0.0
6.8
1.1
17.2
4.7
slate/shale
0.0
0.0
0.0
2.2
0.0
0.0
1.1
0.0
.9
sandstone
0.0
0.0
0.0
1.5
0.0
0.0
2.1
0.0
.9
Semilocal
agate/chalcedony
23.5
37.5
14.6
.7
0.0
0.0
2.1
0.0
4.0
Brushy Basin chert
5.9
0.0
0.0
.7
0.0
0.0
1.1
0.0
.7
Burro Canyon chert
0.0
0.0
8.3
0.0
0.0
0.0
0.0
0.0
.9
petrified wood
0.0
0.0
8.3
0.0
0.0
0.0
0.0
0.0
.9
Nonlocal
obsidian
0.0
0.0
4.2
0.0
0.0
0.0
0.0
0.0
.5
red jasper
0.0
0.0
4.2
0.0
0.0
0.0
0.0
0.0
.5
Washington Pass chert
0.0
0.0
0.0
0.0
0.0
0.0
1.1
0.0
.2
nonlocal chert/siltstone
0.0
0.0
2.1
0.0
0.0
0.0
0.0
0.0
.2
Unknown
unknown chert/siltstone
17.6
12.5
18.8
13.2
0.0
2.3
7.4
10.3
10.2
unknown quartzite
0.0
0.0
0.0
2.2
50.0
3.4
1.1
3.4
2.1
TOTAL
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0

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