| from the ground | 17 | location |
| from rock | 6 | other |
| economically | 5 | manner |
| ore → be → extracted | 137 |
| ore → be extracted for → use | 4 |
| ore → be processed after → extraction | 3 |
| negative | neutral | positive |
| 0.131 | 0.791 | 0.078 |
| Raw frequency | 144 |
| Normalized frequency | 0.778 |
| Modifier score | 0.500 |
| Perplexity | 443.319 |