| from five operationally defined geochemical fractions | 3 | other |
| by the remainder of the probe | 3 | temporal |
| by the metal detection apparatus | 2 | other |
| metal → be → detected | 64 |
| metal → be → detectable | 6 |
| negative | neutral | positive |
| 0.171 | 0.727 | 0.102 |
| Raw frequency | 70 |
| Normalized frequency | 0.578 |
| Modifier score | 0.775 |
| Perplexity | 260.151 |