Artifacts
by Jonathan D. Till and Scott G. Ortman

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

Copyright © 2007 by Crow Canyon Archaeological Center. All rights reserved.