Benner, Blair R2018-11-202018-11-201998-06https://hdl.handle.net/11299/200927Coleraine Minerals Research Laboratory, Natural Resources Research Institute, University of Minnesota DuluthThis report summarizes the progress of metallurgical testing of copper-nickel bearing material from the Duluth gabbro to date and outlines the plan for the ongoing test program being funded under the University of Minnesota Permanent Trust Fund (PUTF).enCopperNickelHydrometallurgyBioprocessingLaboratory FlotationPilot plant flotationDuluth gabbroMetallurgical testingNatural Resources Research InstituteUniversity of Minnesota DuluthTechnical Report