| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| petrology book | 0.61 | 0.9 | 586 | 37 | 14 |
| petrology | 1.52 | 0.6 | 396 | 62 | 9 |
| book | 0.94 | 0.9 | 6952 | 42 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| petrology book | 1.35 | 0.8 | 2638 | 15 |
| petrology book pdf | 1.59 | 0.3 | 6102 | 17 |
| sedimentary petrology book pdf | 1.27 | 0.8 | 8597 | 21 |
| igneous petrology books | 1.35 | 1 | 4261 | 81 |
| sedimentary petrology book | 0.01 | 0.8 | 9058 | 54 |
| books on petrology | 0.13 | 0.7 | 3532 | 39 |
| petrology pdf | 1.98 | 0.8 | 7241 | 26 |
