$DSCR RENO, Nev., March 26, 2013 /PRNewswire/ -- Discovery Minerals Ltd. (Frankfurt WKN: A0LB3X) (Kurzel: D7Z) (OTCPink: DSCR) has taken samples from the Griffith Mine tailings dump and those results warrant further sampling and testing of the dump to determine whether an economic case can be made to extract residual metals and rare earth minerals from the 66 million tons of crushed material. Tailings are the waste materials produced from the extraction process.
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