Peninsula Energy (ASX: PEN) says Strata Energy signed a contract with the US Department of Energy to provide domestically produced uranium. Estrella Resources (ASX: ESR) has commenced extracting a bulk high-grade nickel sulphide sample for Glencore’s Murrin Murrin HPAL process facility. Musgrave Minerals (ASX: MGV) has received initial metallurgical test work results from master composite samples for the White HeatMosaic and Big Sky deposits.