iron ore iron ores are rocks and minerals from which metallic iron can be economically extracted. the ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. the iron is usually found in the form of magnetite (fe 3 o 4, 72.4% fe), hematite (fe 2 o 3, 69.9% fe), goethite (feo(oh), 62.9% fe), limonite (feo(oh)·n(h 2 o), 55% fe) or siderite (feco
ores and minerals definition, types differences withthe process of extracting metal ores buried deep underground is called mining. the metal ores are found in the earths crust in varying abundance. the extraction of metals from ores is what allows us to use the minerals in the ground! ores are very different from the finished metals that we see inmaterial resources, productivity and therenewable resource extraction now represents over twothirds of global material extraction with construction minerals making up over 30% of global deu in 08, fossil energy carriers %, and metal and metal ores %. industrial minerals account for around 2% of global extraction.
aqa gcse science c1 notes slidesharemar 27, · aluminium 1) low density and strength make aluminium ideal for construction of aircraft, lightweight vehicles, and ladders. an alloy of aluminium called duralumin is often used instead of pure aluminium because of its improved properties. 2) easy shaping and corrosion resistance make aluminium a good material for drink cans and roofing materials.
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