Many minerals have been found in the Sangerhausen district of Saxony-Anhalt,Copper slate deposits, Sangerhausen at Mindat.orgBernard Koenen shafts I and II, Copper slate deposits, Sangerhausen at Mindat.org which produced 619,200 tonnes of copper and 3,102 tonnes of silver as of 2012, with 860,000; respectively 4,650 tonnes as remaining proven reserves.
