A random concentration of iron rich ore
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 collection or removal of ferrous material by use of magnetism
A term synonymous with host rock, country rock and gangue rock. The non-target rock surrounding the target mineral
The characteristic reflection of spectral energy from an object
A zone marked by faulting or bending