Data for: Thorium-poor monazite and columbite-(Fe) mineralization in the Gleibat Lafhouda carbonatite and its associated iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco

The present work provides the first basic knowledge to better understand the nature and the distribution of ore minerals in the recently discovered REE and Nb deposits in carbonatites and associated iron oxides in the Oulad Dlim massive (South Morocco)