Iwasaki, Iwao2015-10-022017-04-142015-10-022017-04-141991https://hdl.handle.net/11299/187109enTaconite ore processingTaconiteSilicaIron oreMining geologyNatural Resources Research InstituteUniversity of Minnesota DuluthInvestigation into Production of Iron Ore Concentrates with Less Than 3 Percent Silica from Minnesota Taconites Final Report to the State of Minnesota and the American Iron and Steel InstituteNatural Resources Research Institute Technical ReportTechnical Report