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  2. Rock (geology) - Wikipedia

    en.wikipedia.org/wiki/Rock_(geology)

    Mining is the extraction of valuable minerals or other geological materials from the earth, from an ore body, vein or seam. [35] The term also includes the removal of soil. Materials recovered by mining include base metals , precious metals , iron , uranium , coal , diamonds , limestone , oil shale , rock salt , potash , construction aggregate ...

  3. Outline of mining - Wikipedia

    en.wikipedia.org/wiki/Outline_of_mining

    high grade ores are rich in the mineral desired, low-grade ores have less of the mineral desired; Gangue, minerals within the ore that are not desired; these are removed during ore processing; Vein (geology) a geological formation that often contains ore; Overburden, the material on top of a given mineral deposit (in surface mining, it has to ...

  4. Mining - Wikipedia

    en.wikipedia.org/wiki/Mining

    Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes , or feasibly created artificially in a laboratory or factory.

  5. McKelvey diagram - Wikipedia

    en.wikipedia.org/wiki/McKelvey_diagram

    A McKelvey diagram or McKelvey box is a visual representation used to describe a natural resource such as a mineral or fossil fuel, based on the geologic certainty of its presence and its economic potential for recovery. The diagram is used to estimate the uncertainty and risk associated with availability of a natural resource.

  6. Mineral processing - Wikipedia

    en.wikipedia.org/wiki/Mineral_processing

    Crushing, a form of comminution, one of the unit operations of mineral processing. Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. [1] Depending on the processes used in each instance, it is often referred to as ore dressing or ore milling.

  7. Ore genesis - Wikipedia

    en.wikipedia.org/wiki/Ore_genesis

    Mineral sands are the predominant type of titanium, zirconium, and thorium deposit. They are formed by accumulation of such heavy minerals within beach systems, and are a type of placer deposits . The minerals which contain titanium are ilmenite, rutile, and leucoxene , zirconium is contained within zircon , and thorium is generally contained ...

  8. Mineralogy - Wikipedia

    en.wikipedia.org/wiki/Mineralogy

    Mineralogy applies principles of chemistry, geology, physics and materials science to the study of minerals. Mineralogy [n 1] is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts.

  9. Extractive metallurgy - Wikipedia

    en.wikipedia.org/wiki/Extractive_metallurgy

    Extractive metallurgy is a branch of metallurgical engineering wherein process and methods of extraction of metals from their natural mineral deposits are studied. The field is a materials science, covering all aspects of the types of ore, washing, concentration, separation, chemical processes and extraction of pure metal and their alloying to suit various applications, sometimes for direct ...

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