Geology of Mauritania ore. A Neoproterozoic carbonate unit, part of a synformal nappe overturned in the Paleozoic, now forms a major copper deposit 250 kilometers northeast of Nouakchott in the Mauritanides Belt. The one kilometer, 250 meter wide deposit spans the West and East Moghrein Guelb hills. Forty meters below the deposit is a secondary deposit of cuprite, azurite, malachite and tenorite, with an additional 2.25% copper, some gold and sulfide mineralization including cubanite, chalcopyrite, pyrrohitite and aresnopyrite. In the 2000s, mining at the site had mostly ceased except for gold mining in the tailings pile. Gypsum is extracted from the N'Drahamcha quarry,
Ore railway station adjacent to the Marshlink line as far as Ore Tunnel. Ore is also the start of the single track section on the Marshlink line, which runs through to Appledore. Ore railway station Ore railway station serves Ore Valley in East Sussex, England. It is on the Marshlink Line, and train services are provided by Southern, with a few peak services operated by Southeastern. Third rail 750 V DC electrification from Hastings ends here. The station opened in 1888 and was electrified in 1935. Ore station is the terminus for electric East Coastway services. Trains run regularly to and beyond (the