face cutterface equipmentsface haulagefaceplatefacies criteriafactor vector analysisfagergen cellfallfalse anomalyfanfan arrangementfan cutfan driftfan foldfan sedimentsfan signalfast floatable particlefatty acidfaultfault brecciafault line scarpfault plungefault scrapsfault tracefeasibility studyfeedfeederfensterferromagneticferromagnetic rocksferrosiliconferrous metalsfieldfield penetration indexfillingfilling materialsfilterfilter clothfilter lossfilter pressfilter pressingfilteringfiltratefiltrationfinal pit limitfinal pit slopefinal pit wallfinesfinisherfinite differences method