Online Maps

Maps are considered an important source of information for anyone active in the mineral sector in Sierra Leone. To support investors and companies active in the fields of exploration or mining, NMA provides online maps with disclosed geological, geophysical, and geochemical information.

The main sources of the data are the Geological Survey of Sierra Leone and information provided by the extractive industry within their reporting obligations.

Please note that NMA is currently undertaking a data capturing exercise of all geological, geochemical, geophysical data in Sierra Leone.