"Artifacts," by Scott G. Ortman

Table 26. Percents of Chipped-Stone Tools by Material, Castle Rock Pueblo
Material Class Raw Material Formal Tools Cores and Core Tools Expedient Tools Total
Biface Drill Projectile Point Core Modified Core Peckingstone Modified Flake Chipped-Stone Tool
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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