from traditional hard rock mining | 3 | other |
historically | 2 | temporal |
beneath salt lakes | 2 | location |
lithium → be → sourced | 3 |
lithium → be → derived | 3 |
negative | neutral | positive |
0.121 | 0.819 | 0.060 |
Raw frequency | 6 |
Normalized frequency | 0.223 |
Modifier score | 0.500 |
Perplexity | 233.963 |