5) Satellite imagery (Landsat & ASTER)
Through the JICA study, satellite imagery (30 scenes of Landsat and 22 scenes of ASTER) were procured for the OMRG have been processed and utilized for the supplementary geological survey. The coverage of Landsat is for mainly western and northern part of Mauritania exception of the southeastern sand desert area. The JICA study Team selected 28 highest potential mineral deposit areas and procured ASTER data covering the areas shown in red boxes in the map. Original imagery was already stored in the ArcView, and a lot of imagery data processed by ER Mapper has been stored in the GIS database. The map below shows locations of satellite imagery and major mineral occurrences stored in SIGM database.