| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| anthracite coal parent rock | 1.62 | 0.5 | 3909 | 62 | 27 |
| anthracite | 0.76 | 0.2 | 8877 | 26 | 10 |
| coal | 0.71 | 0.5 | 8432 | 50 | 4 |
| parent | 1.86 | 0.2 | 1785 | 34 | 6 |
| rock | 1.61 | 0.2 | 9960 | 83 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| anthracite coal parent rock | 1.78 | 0.6 | 265 | 96 |
