| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| marine source rocks | 0.66 | 0.1 | 6328 | 73 | 19 |
| marine | 0.92 | 0.8 | 796 | 2 | 6 |
| source | 0.33 | 0.1 | 5267 | 78 | 6 |
| rocks | 0.54 | 0.9 | 8152 | 3 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| marine source rocks | 0.64 | 0.9 | 9459 | 60 |
| source rock in open marine environment | 1.91 | 0.9 | 2139 | 33 |
| source rock and reservoir rock | 0.02 | 0.3 | 1516 | 92 |
