| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| chert nodules in limestone | 1.38 | 0.3 | 8844 | 22 | 26 |
| chert | 0.57 | 0.1 | 2731 | 1 | 5 |
| nodules | 1.66 | 0.8 | 9919 | 91 | 7 |
| in | 1.51 | 1 | 4526 | 61 | 2 |
| limestone | 0.86 | 0.4 | 2209 | 5 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chert nodules in limestone | 0.98 | 1 | 6264 | 48 |
| how are chert nodules formed | 1.94 | 0.6 | 1907 | 85 |
| what is a chert nodule | 0.54 | 0.2 | 3967 | 49 |
| how is chert formed | 0.78 | 0.9 | 2111 | 14 |
| how is chert formed geology | 0.04 | 0.6 | 1612 | 25 |
| how are nodules formed | 0.26 | 0.9 | 4543 | 21 |
| what environment is chert formed in | 0.79 | 0.5 | 8759 | 97 |
| what are chest nodules | 1.33 | 0.6 | 9260 | 27 |
| how do nodules form | 1.23 | 1 | 3845 | 69 |
| how is chert made | 0.2 | 1 | 6138 | 32 |
| nodule on chest wall | 1.54 | 0.9 | 440 | 38 |
