Casablanca,the metropolis and economic center of Morocco, contains in its old quarries a unique archeological and paleontological heritage of great scientific, pedagogic and touristic value. Reflecting a rich past recounting the events preserved in these geological formations as well as the prehistoricalevolutionof the mankind in Casablanca. Other quarries tend to become bio-ecological sites. The inventory of these quarries shows an alarming situation due to anthropogenic threats resulting from human activities such as urban development and pollution. The preservation of this heritage for the future generations is a shared responsibility between authority, citizens, researchers andsocio-economic sector. Their valorization, such as the development of a geotourism circuit will promote even local ecotourism
