Legality of Cannabis by U.S. Jurisdiction The main article for this category is Iron ore. Iron minerals that are economically significant as a source of iron for smelting. Subcategories This category has only the following subcategory. D Iron ore deposits (15 P) Pages in category "Iron ores" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. Iron oreB Banded iron formation Bog ironC Carbonate iron oreG GoethiteH HematiteI Iron-rich sedimentary rocks Ironsand IronstoneL LimoniteM MagnetiteO OchreS Siderite Spathic iron ore