Each site that is informed and validated within the National Inventory of Geological Heritage program is the subject of a heritage assessment using the "Assessment of the heritage value of the site" table above.
This numerical evaluation results in the allocation of a number of stars according to the following scale:
- note less than 10: 0 star;
- note between 11 and 20: 1 star;
- note between 21 and 30: 2 stars;
- note between 31 and 48: 3 stars