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 station has been unstaffed since a booking office fire in the late 1980s, and it has no other facilities. There is limited road access via Ore Valley Road (off Hughenden Road), but this station is not recommended for people with physical disabilities. The area has in the past been a hotspot for vandalism but is now covered comprehensively by CCTV. It is scheduled for a major re-development. There has been some debate as to whether the station should be renamed Hastings East or Ore Valley. Trains terminating and restarting at this station run forward into a turnaround siding which runs