Metals From Ores An Introduction
2019-8-24ensp0183enspThese comprise the important minerals of aluminium, iron, magnesium, manganese, rare earths, tin, titanium, and uranium those of copper and zinc are of minor importance. Figure 5 shows some common oxide minerals. Complex oxides comprise minerals of chromium, niobium, tantalum, titanium, and tungsten. Table 6 Formation of hydrated silicates.