Raw-material diversity among the three components.
| Raw Material | Denbigh | % | Norton | % | Nukleet | % | Total |
|---|---|---|---|---|---|---|---|
| Basalt | 98 | 5.2 | 3,648 | 50.2 | 185 | 38.4 | 3,931 |
| Chert | 1,466 | 77.7 | 3,097 | 42.6 | 220 | 45.6 | 4,783 |
| Jasper | 161 | 8.5 | 145 | 2.0 | 12 | 2.5 | 318 |
| Obsidian | 137 | 7.3 | 99 | 1.4 | 10 | 2.1 | 246 |
| Quartz | 6 | 0.3 | 45 | 0.6 | 2 | 0.4 | 53 |
| Sedimentary | 2 | 0.1 | 77 | 1.1 | 22 | 4.6 | 101 |
| Silicified slate | 5 | 0.3 | 44 | 0.6 | 7 | 1.5 | 56 |
| Slate | 7 | 0.4 | 42 | 0.6 | 10 | 2.1 | 59 |
| Other | 4 | 0.2 | 62 | 0.9 | 14 | 2.9 | 80 |
| Total | 1,886 | 100.0 | 7,267 | 100.0 | 482 | 100.0 | 9,635 |