“pit” means a work or undertaking for the purpose of opening up, proving, removing or extracting any unconsolidated metallic or non-metallic mineral or mineral bearing substance, rock, earth, clay, sand or gravel by means of an open excavation in order to supply it for construction, industrial or manufacturing purposes;(puits)

“quarry” means a work or undertaking for the purpose of opening up, proving, removing or extracting consolidated rock by means of an open excavation in order to supply it for construction, industrial or manufacturing purposes and includes an open pit mine.(carriére)