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

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  • Direct Emissions

    Atmospheric emissions generated by sources that are owned or controlled by the Company.

  • Disseminated deposit

    Deposit formed by the dispersed crystallization of mineral values.

  • Dolomite

    Mineral composed of calcium carbonate and magnesium, formed in sedimentary rocks by direct precipitation.

  • Doré

    Ingot or sheet-shaped semi-pure and unrefined alloy of gold and silver, produced at a mine site to facilitate transportation between stages of the manufacturing process. Subsequently, it is taken to the smelting and refining site to produce different purified materials, such as gold or silver ingots and specific alloys.

  • Drilling

    Activity that consists of boring holes in the subsoil. For exploration purposes, the cores extracted through drilling to the surface are analyzed to learn the properties and mineralogy of the rocks. Drilling is also carried out for other purposes, such as filling the holes with explosives to blast ore or shaft development to provide for ventilation services into underground mines.