Learn about some of the most common terms used at Peñoles and in the mining and metals industry.

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  • Base Metals

    Common, inexpensive metals that tarnish, oxidize or corrode relatively easy when exposed to air or moisture. They are widely used in commercial and industrial applications.

  • Beneficiation plant

    Industrial facilities where minerals are processed to recover metals or specific chemical compounds, consisting of milling areas and flotation circuits, as well as thickening tanks, among other equipment.

  • Bullion or lead bullion

    Impure lead that results from the smelting process of lead concentrates with contents of other metals such as gold, silver and bismuth.

  • By-products

    Minerals of economic interest present in a certain product with other metallic contents, which are not the main object of exploitation because they are not present in large quantities. For example, the cadmium obtained in the zinc refining.