Redacción Opportimes 29 marzo, 2023. Photo: Industrias Peñoles. From 1992 to November 2018, the federal government of Mexico granted 65,534 mining concessions, of which, to date, 23,441 are in force. The current concessions total an area of 15 million 703,673 hectares (ha), representing about 8% of the national territory.