The collection or removal of ferrous material by use of magnetism
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Tag: <span>M</span>
A random concentration of iron rich ore
A light, silvery-grey and very common metal. Symbol, Mg. Its principal ore is magnesite and dolomite
The concentration of minerals by density within a magmatic system, prior to cooling
The extremely hot volcanic fluid which forms rock when cooled
Dark igneous rocks typically high in iron and magnesium
A prefix meaning large, the opposite of micro
The study of refining and alloying metals
An iron oxide and common ore of iron
The Mesozoic Era occurred between 245-65 million years ago and is comprised of the Triassic, Jurassic, and Cretaceous periods