Artifacts
by Scott G. Ortman
Table 28. Percents of Chipped-Stone Debris and Tools by Material, Castle Rock Pueblo
Material Class
Raw Material
Chipped-Stone Debris
Cores and Core Tools
Expedient Tools
Formal Tools
Local
Dakota Formation
10.61
12.39
12.10
35.62
Morrison Formation
81.85
64.60
67.74
8.22
conglomerate
0.71
1.77
0.00
0.00
igneous
2.72
6.19
4.84
0.00
slate/shale
0.02
1.33
0.81
0.00
sandstone
1.04
0.88
1.61
0.00
Semilocal
agate/chalcedony
0.95
0.44
1.61
19.18
jet
0.02
0.00
0.00
0.00
petrified wood
0.05
0.00
0.00
5.48
Nonlocal
obsidian
0.05
0.00
0.00
2.74
Washington Pass chert
0.00
0.00
0.81
0.00
nonlocal chert/siltstone
0.26
0.00
0.00
4.11
Unknown
unknown chert/siltstone
0.77
9.29
8.87
24.66
unknown quartzite
0.95
3.10
1.61
0.00
TOTAL
100.00
100.00
100.00
100.00
Copyright © 2000 by Crow Canyon Archaeological Center. All rights reserved.