The fundamental natural ingredient of any mining development is an ore reserve._x000D_
The classical definition of an ore reserve has both technical and commercial components, each involving elements of risk. By definition the desposit must contain mineral values which are "extractable at a profit"._x000D_
Metallurgy supplies a vital link between these two basic requirements of a successful mining project; the metallurgical input establishes the process by which the contained minerals may be recovered and converted into marketable product(s).