Ore - Wikipedia
Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit.Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals. The grade of ore refers to the concentration of the desired material it contains.Minerals & Elements | Minerals Education Coalition,Mineral A mineral is a naturally occurring inorganic element of compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Minerals may be metallic, like gold, or nonmetallic, such as talc. Coal, oil, and natural gas are generally considered to be “energy minerals.Mineral deposit - Oxides and hydroxides | Britannica,Mineral deposit - Mineral deposit - Oxides and hydroxides: Oxides and hydroxides are a large and diverse group of ore minerals. The major ore minerals of the geochemically abundant metals aluminum, iron, manganese, and titanium are either oxides or hydroxides, while the oxide-forming scarce metals are chromium, tin, tungsten, tantalum, niobium, and uranium.