Iron is a generic term that includes all common ferrous metal ores valued for their industrial applications. Iron, nickel, tungsten and molybdenum are typical components of this fantastically important resource. Iron is most often refined into Steel, which is used in a plethora of complex items. Maintaining a steady supply of Iron is of paramount importance for your Empire's well-being.
Iron is a Planetary Resource that can be extracted from a Iron Mine, if it is listed on the Planet's Geological Survey (GEO), or converted from Raw Resources on any Planet using a Stripmining Complex.
1 ton
Resource
Already learned - your empire starts with this technology.
Content contributed by Tom Carey.