Knowing about the different types of iron ore is useful for investors interested in the space. Iron, a key material in steel and other applications, is most often found in hematite and magnetite ores, ...
'A force more powerful than gravity within the Earth': How magnetism locked itself inside our planet
"As the magma cooled to form what is today the world's solid outer crust, magnetism was locked into minerals containing iron, such as magnetite." When you purchase through links on our site, we may ...
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