Oxygen isotope composition of magnetite in iron ores of the Kiruna type in Chile and Sweden Nyström, Jan Olov ; Billström, Kjell ; Henríquez, Fernando ; Fallick, Anthony E. ; Naslund, H. Richard Abstract Publication: GFF Pub Date: December 2008 DOI: 10.1080/11035890809452771 Bibcode: 2008GFF...130..177N