Gold
Gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6,…
Metallurgy
Metallurgy, art and science of extracting metals from their ores and modifying the metals…
Mineral deposit
Mineral deposit, aggregate of a mineral in an unusually high concentration. About half of the known chemical…
Mining
Mining, process of extracting useful minerals from the surface of the Earth, including the seas.…
Mineral
Mineral, naturally occurring homogeneous solid with a definite chemical composition and a highly ordered atomic arrangement; it is usually…
Sintering
Sintering, the welding together of small particles of metal by applying heat below the melting…
Blast furnace
Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of…
