Tajmište Mine, near Kičevo, is an iron ore exploitation conceded to Tajmiste Corporation, which failed to pay fees in May 2020.[22] Also near Kicevo is a lignite coal mine which was in 2019 "almost depleted".[23] Sasa mine, which produces mainly zinc and lead, is located on the flank of Mount Osogovo.[24] Up until recently, ferronickel ore was produced on Rzhanovo (Mount Kozuf) by Feni Industry a subsidiary of Cunico Resources, but owing to economic circumstance the mine was shuttered and all that remains in production is the refining process.[4][25] Melcher and Reichl feel that North Macedonia has "a high potential for chromium and nickel ores".[21]