Mining area | GPS coordinates | Geometry of the ore deposit | Orientation of the ore deposit | Surrounding rock | Age of surrounding rock | Mineralization | Exploitation method | Length (m) | Max. depth (m) | Max. opening (m) |
Ras Kammouna | 30.70˚N | Vein-type | N30˚, 90˚ | Sandstone | Late Ordovician | Barite | Trenches | 500 | 45 | 3 |
Tijjekht | 30.90˚N | Vein-type | N 100˚, 80N˚ | Sandstone | Middle Cambrian | Barite | Trenches, wells, galeries | 1500 | 70 | 4 |
Boumaiz | 31.15˚N | Vein-type | N55˚, 90˚ | Alternation of sandstone and shale | Late Ordovician | Barite | Trenches | *** | 130 | *** |
Chaib Ras | 31.04˚N | Vein-type | N35˚, 90˚ | Sandstone | Late Ordovician | Barite | Trenches and wells | 1600 | 60 | 4 |
Bouizrane (Jbel zorg) | 30.73˚N | Vein-type | N70˚, 75N˚ | Alternation of sandstone and shale | Middle Cambrian | Barite | Trenches and wells | 300 | 50 | 5 |
M’fis | 31.04˚N | Vein-type | N100˚, 60N˚ | Sandy shale, carbonates and magmatic rocks | Late Devonian | alquifoux (compact galena), pyrite, chalcopyrite, barite, goethite, pyrolusite | Trenches | 2000 | 60 | 3 |
Njakh | 31.41˚N | Vein-type | N45˚, 90˚ | Green sandstone and siltites | Middle Cambrian to Late Ordovician | Barite (Fluorite) | Trenches and wells | 400 | 40 | 8 |