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Mercury occurs in deposits throughout the world mostly as [[cinnabar]] ([[mercuric sulfide]]), which i *[[Mercury(II) sulfide]] (found naturally as the ore cinnabar, or [[vermilion]] which is a high-grade [[paint pigment]]);<ref na

{{main|Ore|Mining|Extractive metallurgy}} ...[[prospecting]] techniques, followed by the exploration and examination of deposits. Mineral sources are generally divided into [[Surface mining|surface mines]

...also occurred alongside large quantities of [[sphalerite]], the principal ore of [[Zinc]]. However, the zinc was only occasionally processed and much rem ...ers and is a popular tourist attraction. In the 18th centuries the massive deposits of copper together with a range of other metals was discovered and exploite

* A '''polymetallic ore''' (or '''''polymetal'' ore''') is an [[ore]] that is the source of more than one metal suitable for recovery. * A [[Mining|mine]] containing polymetallic ore is a '''polymetallic mine'''.

...nt)|golf clubs]]. The largest reserves of tungsten are in [[China]], with deposits in [[Korea]], [[Bolivia]], [[Australia]], and other countries. ...a very hard, friction resistant coating. Most of the world's molybdenum [[ore]] can be found in China, the [[United States|USA]], Chile and [[Canada]].<r

...ef>[http://www.mindat.org/min-3161.html Periclase at Mindat]</ref> MgO ore deposits in the US are negligible. Estimates put the use of MgO board products at 8 *Environmentally friendly – It is removed from ore at about 25% of the temperature (400-800 °F) required to form CaO, the sta

...times harder than pure iron. Iron is smelted in a [[blast furnace]], where ore is reduced by [[coke (fuel)|coke]] to metallic iron. ...ocesses accompanying [[nucleosynthesis]] (i.e., [[meteorite]] studies) and ore formation. In the last decade however, advances in [[mass spectrometry]] te

...''esia '''n'''egra'' (the black ore) from ''mag'''n'''esia alba'' (a white ore, also from Magnesia, also useful in glassmaking). [[Michele Mercati]] calle ...s used in Greece led to the speculations that the steel produced from that ore contains inadvertent amounts of manganese making the [[Sparta]]n steel exce

...the incidence of mesotheliomas and the distance a patient lived from known deposits of rock likely to include asbestos; the correlation was not present when th ...ustrial applications and has been used as a replacement for asbestos. Some ore bodies of vermiculite have been found to contain small amounts of asbestos.

...ium and [[ferrochromium]] are produced from the single commercially viable ore, chromite, by silicothermic or [[aluminothermic reaction]] or by [[Roasting [[File:Chromit 1.jpg|thumb|left|upright|[[Chromite]] ore]]

[[Image:Beryllium OreUSGOV.jpg|thumb|Beryllium ore]] ...8-0524/SPORMTN.HTM|title = Slides of the fluorspar, beryllium, and uranium deposits at Spor Mountain, Utah |first = David A.|last = Lindsey|publisher = United

...r other [[geology|geological]] materials from the earth, usually from an [[ore]] body, [[vein (geology)|vein]] or ([[coal mining|coal]]) seam. Materials r ...|pre-historic]] times. Modern mining processes involve [[prospecting]] for ore bodies, analysis of the profit potential of a proposed mine, extraction of

...deposits.svg|thumb|right|250px|Lead and zinc bearing carbonate and clastic deposits. Source: USGS]] ...llic lead does occur in nature, but it is rare. Lead is usually found in [[ore]] with [[zinc]], [[silver]] and (most abundantly) [[copper]], and is extrac