Générale des Mines has carried out more than four hundred studies of which about fifteen major:
- Precious Metals: Tirek Amesmessa Gold, Tiririne Gold and Boudouaou
- Polymetals (Pb / Zn from the Chaabet El Hamra deposit (Aïn Azel), El Abed (Tlemcen) -Cuivre (Bousoufa -Jijel deposit)
- Ferrous metals (Manganese Guetara deposit - Bechar)
- Baryte Mine of Ain Mimoun
- Limestone of different sites
- Gypse (Bou Saada-M’Sila- Tissemsilt)
- Gypsum (Bou Saada-M'Sila- Tissemsilt)
- Marbles (Skikda- Aîn Témouchent)
- Calcium carbonate
- Salt Chott (Hamraïa)
- Etc…
All these studies were accompanied by exploitation plans (at 1 / 1000th).