| Typicality: | 0.317 |
| Saliency: | 0.234 |
| during the paleozoic era | 5 | temporal |
| many centuries ago | 2 | temporal |
| sea → cover → the area | 6 |
| sea → cover → the region | 4 |
| sea → cover → this area | 3 |
| negative | neutral | positive |
| 0.098 | 0.836 | 0.065 |
| Raw frequency | 13 |
| Normalized frequency | 0.234 |
| Modifier score | 0.400 |
| Perplexity | 186.174 |