The Moroccan phosphate deposits are the largest in the world. Phosphatic layers are
extracted in open-pit mines mainly in the sedimentary basins of Gantour and Ouled Abdoun …

References: The tectonic considerations hereafter are summarized after the synopsis of the
Phanerozoic evolution of northern and central Africa by Guiraud et al.(2005). The role of the …

In the Sidi Chennane basin exploitation inclusions of sterile hardpan-so-called"
derangements"-are hard to detect and interfere with phosphate extraction. A Schlumberger …

To improve the enrichment of the Thanetian marine phosphate ore deposit from the quarry of
Bled El Hadba (Djebel Onk, Algeria) before its exploitation, we first conducted a joint study …

In Sidi Chennane phosphate deposit, the disturbances cause serious challenges for the
OCP mining engineers during both exploration and the exploitation stages. They are …

This paper presents a new approach to quantify the rate of the disturbances within the
phosphate series in an area of 50 hectares located in Sidi Chennane deposit, Ouled …

In the great Oulad Abdoun Basin exploitation of a new phosphate deposit was begun after
the Grand Daoui horizon was exhausted. Inclusions of sterile hardpan-so-called" …

The phosphate series of Sidi Chennane (Morocco) is frequently affected by sterile bodies
called “disturbances” causing many problems during the mining operation. The …

In Sidi Chennane deposits (Morocco), the phosphatic series is composed of regular
interbedded phosphatic and marly limestone layers. Exploitation of the phosphate in these …

Résumé The Ouled Abdoun sedimentary basin in Morocco contains the largest phosphate
reserves in the world. To the Northwest of the basin, the phosphate layers crop out or are at …