Electron microprobe analyses of amphibole, pyroxene, and carbonate minerals from the Ironwood Iron-Formation, Gogebic Iron Range, Wisconsin, USA
These data comprise chemical analyses in weight percent of oxides, as well as chlorine and fluorine, conducted using a JEOL JXA-8900 electron microprobe analyzer (EPMA) on amphiboles, pyroxenes, and carbonates in the Ironwood Iron-Formation.