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
Rock derived from recrystallization of limestone, metamorphisized through heat and pressure
The layer within the Earth between the crust and the molten core
A brittle, grayish-white, metallic element. Symbol, Mn