Heap leaching
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Heap leaching is an industrial mining process used to extract precious metals, copper, uranium, and other compounds from ore using a series of chemical reactions that absorb specific minerals and re-s
Gold heap leaching
Left: ore fines without agglomeration. Right: Ore fines after agglomeration - Improved percolation as a result of agglomeration.
Pyrite
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The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2. Pyrite is the most abundant sulfide mineral.
Heap leaching
…overall project evaluation. The process has ancient origins; one of the classical methods for the manufacture of copperas (iron sulfate) was to heap up iron pyrite and collect the leachate from the heap, which was then boiled with iron to produce iron(II) sulfate. The mined ore is usually crushed into small chunks…
Intergrowth of lustrous, cubic crystals of pyrite, with some surfaces showing characteristic striations, from Huanzala mine, Ancash, Peru. Specimen size: 7.0 × 5.0 × 2.5 cm
Pyrite under normal and polarized light
An abandoned pyrite mine near Pernek in Slovakia