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The Marampa mine is a 13.82km2 brownfields site formerly operated by the Sierra Leone Development Company (DELCO) and William Baird between 1933 and 1975. Marampa reached a peak production of  2.5mtpain the 1960s before low iron ore prices forced its closure. Continuing weak market economics and civil war prevented redevelopment of the mine until the mining licence was acquired by London Mining in 2006. The Marampa resource is comprised of two primary ore deposits, Masaboin Hill and Ghafal, as well as several satellite ore bodies. Marampa also has a resource comprised of tailings from previous operations.

London Mining has now received all the necessary government approvals to proceed with development and plans to commence production of 1.5Mtpa of 66%Fe sinter feed by reprocessing the tailings. The tailings operation can be expanded to 3Mtpa before a further expansion to 5-8Mtpa based on mining of the primary resource. The expansionplans are expected to be confirmed in a prefeasibility study due to be completed at the end of 2010. London Mining plans to fast track the project by implementing a transport solution using trucks (40km) barges (60km) and floating cranes to load handymax, panamax or capesize ships.

Ghafal primary ore body resource as at March 2010 at a 15% cut-off

Marampa Tailings Resources as at March 2010 at cut-off of 10%