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Lead ore
Lead ore
Gold ore
Gold ore
Ore and metal imports in 2005
Ore and metal imports in 2005

An ore is a volume of rock containing components or minerals in a mode of occurrence that renders it valuable for mining. An ore must contain materials that are Ore may refer to: Ore (mineral). ... Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... General Name, symbol, number iron, Fe, 26 Chemical series transition metals Group, period, block 8, 4, d Appearance lustrous metallic with a grayish tinge Standard atomic weight 55. ... 2. ... File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... General Name, symbol, number manganese, Mn, 25 Chemical series transition metals Group, period, block 7, 4, d Appearance silvery metallic Standard atomic weight 54. ... Lead ore Source: US Government File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Lead ore Source: US Government File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... General Name, Symbol, Number lead, Pb, 82 Chemical series Post-transition metals or poor metals Group, Period, Block 14, 6, p Appearance bluish gray Standard atomic weight 207. ... Commons:Image:GoldOreUSGOV.jpg File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Commons:Image:GoldOreUSGOV.jpg File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... GOLD refers to one of the following: GOLD (IEEE) is an IEEE program designed to garner more student members at the university level (Graduates of the Last Decade). ... Image File history File links Size of this preview: 800 × 351 pixelsFull resolution (1425 × 625 pixel, file size: 61 KB, MIME type: image/png)This bubble map shows the global distribution of imports of ores and metals in 2005 as a percentage of the top trader (China - $52,800,240... Image File history File links Size of this preview: 800 × 351 pixelsFull resolution (1425 × 625 pixel, file size: 61 KB, MIME type: image/png)This bubble map shows the global distribution of imports of ores and metals in 2005 as a percentage of the top trader (China - $52,800,240... This article is about metallic materials. ... This article is about the geological substance. ... Minerals are natural compounds formed through geological processes. ...

  • valuable
  • in concentrations that can be profitably mined, transported, milled, and processed.
  • able to be extracted from waste rock by mineral processing techniques.

Ore deposits are mineral deposits defined as being economically recoverable. Mineral deposits may include those bodies of mineralisation which are uneconomic resources, of too low a grade or tonnage or technically impossible for extraction of the contained metal. This article is about mineral extractions. ... Mineral processing, otherwise known as mineral dressing, is the practice of beneficiating valuable minerals from their ores. ...


What is valuable to mine is generally considered in terms of purely economic considerations. However, cultural, strategic or social goals of nations, tribes, and individuals may render economically unfeasible bodies of rock valuable for extraction, for instance ochre, some clays, and ornamental stones that are of religious, cultural or sentimental value to a population. Here, value is placed on the rock in non-economic terms. The word culture, from the Latin colo, -ere, with its root meaning to cultivate, generally refers to patterns of human activity and the symbolic structures that give such activity significance. ... A strategy is a long term plan of action designed to achieve a particular goal. ... Social refers to human society or its organization. ... A nation is an imagined community of people created by a national ideology, to which certain norms and behavior are usually attributed. ... http://www. ... This article is about the color. ... For the town in the United States, see Clay, New York. ...


Rare samples of ore in the form of exceptionally beautiful crystals, exotic layering (when sectioned or polished) or metallic presentations such as large nuggets or crystalline formations of metals such as gold or copper may command a value far beyond their value as mere ore or raw metal for subsequent reduction to utilitarian purposes. For other uses, see Crystal (disambiguation). ... GOLD refers to one of the following: GOLD (IEEE) is an IEEE program designed to garner more student members at the university level (Graduates of the Last Decade). ... For other uses, see Copper (disambiguation). ...


Ore is thus an economic entity, not a physical entity. Fluctuations in commodity prices will determine what rock is considered valuable and hence ore, and what rock is not valuable and is considered waste. Similarly, the costs of extraction may fluctuate, for example with fuel costs, rendering mining unprofitable and turning ore into waste. This article does not cite any references or sources. ...


The grade or contained concentration of an ore mineral, or metal, as well as its form of occurrence, will directly affect the costs associated with mining the ore. The cost of extraction must thus be weighted against the contained metal value of the rock and a 'cut-off grade' used to define what is ore and what is waste.


Ore minerals are generally oxides, sulfides, silicates, or "native" metals (such as native copper) that are not commonly concentrated in the Earth's crust or "noble" metals (not usually forming compounds) such as gold. The ores must be processed to extract the metals of interest from the waste rock and from the ore minerals. An oxide is a chemical compound containing at least one oxygen atom and other elements. ... Strictly, a mineral that is a sulfide. ... The silicate minerals make up the largest and most important class of rock-forming minerals. ... Although copper most commonly occurs in oxidized states and mixed with other elements, it is found in its native form in various regions of the world. ... World geologic provinces (USGS) Oceanic crust  0-20 Ma  20-65 Ma  >65 Ma Geologic province  Shield  Platform  Orogen  Basin  Large igneous province  Extended crust In geology, a crust is the outermost solid shell of a planet or moon. ... GOLD refers to one of the following: GOLD (IEEE) is an IEEE program designed to garner more student members at the university level (Graduates of the Last Decade). ...


Ore bodies are formed by a variety of geological processes. The process of ore formation is called ore genesis. This article includes a list of works cited but its sources remain unclear because it lacks in-text citations. ... The various theories of ore genesis explain how the various types of mineral deposits form within the Earths crust. ...

Contents

Ore deposits

An ore deposit is an accumulation of ore. This is distinct from a mineral resource as defined by the mineral resource classification criteria. An ore deposit is one occurrence of the particular ore type. Most ore deposits are named according to either their location (for example the Witswatersrand, South Africa), or after a discoverer (eg; the kambalda nickel shoots are named after drillers), or after some whimsy, an historical figure, a prominent person, something from mythology (phoenix, kraken, etc) or the code name of the resource company which found it (eg; MKD-5 is the in-house name for the Mount Keith nickel mine). Mineral resource classification involves organizing information on ores and other current or future economically important mineral deposits as a guidance for governmental and industrial planning. ... Kambalda type nickel ore deposits are a class of magmatic nickel-copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel-bearing sulfide within the lava flow environment of an erupting komatiite volcano. ...


Classification of ore deposits

Main article: Ore genesis

Ore deposits are classified according to various criteria developed via the study of economic geology, or ore genesis. The classifications below are typical The various theories of ore genesis explain how the various types of mineral deposits form within the Earths crust. ... The various theories of ore genesis explain how the various types of mineral deposits form within the Earths crust. ...


Hydrothermal epigenetic deposits

In geology a lode is the metalliferous ore that fills a fissure in a rock or a vein of ore deposited between layers of rock. ... Kalgoorlie is a Western Australian city located about 600 km east of Perth. ... Kalgoorlie may refer to the following geographically related places: Kalgoorlie, Western Australia, a city and council in Western Australia; Division of Kalgoorlie, a federal division of the Australian House of Representatives located around the geographical area; Electoral district of Kalgoorlie, an electoral district of the Western Australian Legislative Assembly. ... The Archean is a geologic eon; it is a somewhat antiquated term for the time span between 2500 million years before the present and 3800 million years before the present. ... A conglomerate with iron oxide cementing material Conglomerate, Submarine Landslide located at Point Reyes, Marin County California. ... Elliot Lake (2001 population 11,956) is a city in Northern Ontario, Canada. ... Witwatersrand is a low mountain range which runs through Gauteng in South Africa. ... Jasperoid is a rare, peculiar type of metasomatic alteration and occurs in two main forms; sulfidic jasperoids and hematitic jasperoids. ... A stockwork is a complex system of randomly oriented veins. ...

Granite related hydrothermal

  • IOCG or iron-oxide copper-gold, typified by the supergiant Olympic Dam Cu-Au-U deposit
  • Porphyry copper +/- gold +/- molybdenum +/- silver deposits
  • Intrusive-related copper-gold +/- (tin-tungsten), typified by the Tombstone, Arizona deposits
  • Hydromagmatic magnetite iron ore deposits and skarns
  • Skarn ore deposits of copper, lead, zinc, tungsten, etcetera

Olympic Dam (30°27′ S 136°53′ E) is a Australian mining centre in South Australia - located some 550km NNW of Adelaide the capital city of South Australia. ... porphyry copper ... Tombstone is a city in Cochise County, Arizona, USA, founded in 1879 in what was then the Arizona Territory. ... Magnetite is a ferrimagnetic mineral with chemical formula Fe3O4, one of several iron oxides and a member of the spinel group. ... Skarn: microscopic view under crossed polarizers Skarn is a metamorphic rock that is usually variably colored green or red, occasionally grey, black, brown or white. ...

Nickel-cobalt-platinum deposits

In geology a cumulate is an igneous rock formed by the accumulation of crystals from a magma. ... General Name, symbol, number vanadium, V, 23 Chemical series transition metals Group, period, block 5, 4, d Appearance silver-grey metal Standard atomic weight 50. ... Magnetite is a ferrimagnetic mineral with chemical formula Fe3O4, one of several iron oxides and a member of the spinel group. ... Chromite, iron magnesium chromium oxide: (Fe,Mg)Cr2O4, is an oxide mineral belonging to the spinel group. ... Ilmenite is a weakly magnetic iron-black or steel-gray mineral found in metamorphic and igneous rocks. ... Kambalda type nickel ore deposits are a class of magmatic nickel-copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel-bearing sulfide within the lava flow environment of an erupting komatiite volcano. ... Norilsk downtown was designed in a typical Stalinist style. ... Voiseys Bay, located in Newfoundland and Labrador, approximately 38 kilometres south-west of Nain, is the location of a large nickel deposit discovered in September of 1993 by Archean Inc. ... Statistics Location map Geumcheon-gu is one of the 25 gu (districts) of Seoul, South Korea. ... Lateritic nickel ore deposits are surficial, weathered rinds formed on ultramafic rocks which contain 0. ... Slogan or Nickname: Wildflower State or the Golden State Other Australian states and territories Capital Perth Government Constitutional monarchy Governor Ken Michael Premier Alan Carpenter (ALP) Federal representation  - House seats 15  - Senate seats 12 Gross State Product (2005-06)  - Product ($m)  $107,910 (4th)  - Product per capita  $53,134/person...

Volcanic-related deposits

Volcanogenic massive sulfide ore deposits or VMS are a type of metal sulfide ore deposit, mainly Cu-Zn, associated with certain types of volcanism. ... The Besshi copper mine ) was a rich source of copper in Niihama, Ehime Prefecture, Japan. ...

Metamorphically reworked deposits

  • Podiform serpentinite-hosted paramagmatic iron oxide-chromite deposits, typified by Savage River, Tasmania iron ore, Coobina chromite deposit
  • Broken Hill Type Pb-Zn-Ag, considered to be a class of reworked SEDEX deposits

Iron oxide pigment There are a number of iron oxides: Iron oxides Iron(II) oxide or ferrous oxide (FeO) The black-coloured powder in particular can cause explosions as it readily ignites. ... Chromite, iron magnesium chromium oxide: (Fe,Mg)Cr2O4, is an oxide mineral belonging to the spinel group. ... The Broken Hill Ore Deposit, located underneath and namesake for the town of Broken Hill, western New South Wales, Australia is arguably the worlds richest and largest zinc-lead ore deposit. ...

Carbonatite - alkaline igneous related

Carbonatites are intrusive igneous rock structures with more than 50% carbonate content, many of which contain distinctive abundances of apatite, magnetite, barite, and fluorite, that may contain economic or anomalous concentrations of rare earth elements, phosphorus, niobium, uranium, thorium, copper, iron, titanium, barium, fluorine, zirconium, and other rare or incompatible... Tantalite, [(Fe, Mn) Ta2O6], is a mineral that is close to columbite. ... Vermiculite is a natural, non toxic mineral that expands with the application of heat. ... Phalaborwa is a large town situated at half way up along the length of the Kruger National Park in Limpopo Province of South Africa. ... de;Metalle der Seltenen Erden Categories: Stub | Chemical element groups ... A Diatreme is a volcanic pipe or feature formed by a gas or volatile rich explosive magma. ... Hewn kimberlite core sample from the James Bay Lowlands region of Northern Ontario, Canada. ... Lamproite is a peralkaline volcanic rock. ... Lamprophyres (Greek Lampros, bright, and the terminal part of the word porphyry, meaning rocks containing bright porphyritic crystals) are a group of rocks containing phenocrysts, usually of biotite and hornblende (with bright cleavage surfaces), often also of olivine and augite, but not of feldspar. ...

Sedimentary deposits

2. ... This heap of iron ore pellets will be used in steel production. ... Channel iron deposits, also known as pisolitic iron ore are a major source of cheap, high grade iron ore exploited primarily in the Pilbara and Murchison regions of Western Australia. ... A pisolite is a sedimentary rock formed from ooids (spherical grains composed of concentric layers) of diameter greater than 2 mm, but typically 5-8 mm. ... Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones. ... This article is about the sand formations, for other meanings see Dune (disambiguation) Mesquite Flat Dunes in Death Valley National Park In physical geography, a dune is a hill of sand built by eolian (wind-related) processes. ... Alluvium is soil land deposited by a river or other running water. ... Black sand is a heavy, weakly magnetic, glossy, semi-metallic mixture of usually fine sands, found as part of a placer deposit. ... Skorpion Zinc is the 8th largest Zinc mine in the world, producing Special High Grade (SHG) Zinc. ...

Sedimentary hydrothermal deposits

Sedimentary exhalative deposits (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore-bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform ore. ... General Name, Symbol, Number lead, Pb, 82 Chemical series Post-transition metals or poor metals Group, Period, Block 14, 6, p Appearance bluish gray Standard atomic weight 207. ... General Name, symbol, number zinc, Zn, 30 Chemical series transition metals Group, period, block 12, 4, d Appearance bluish pale gray Standard atomic weight 65. ... This article is about the chemical element. ... Red Dog, also known as Yablon, Ace-deuce, In between or Between the sheets, is a game of chance played with cards. ... Mount Isa, Queensland, Australia Mount Isa is a city located in north western Queensland, Australia. ... For other uses, see Tungsten (disambiguation). ... In the 19th century the Erzgebirge mountains were a centre for lace making. ... Chert Chert (IPA: ) is a fine-grained silica-rich cryptocrystalline sedimentary rock that may contain small fossils. ... Carbonate-hosted lead-zinc ore deposits are important and highly valuable concentrations of lead and zinc sulfide ores hosted within carbonate (limestone, marl, dolomite) formations and which share a common genetic origin. ... For other uses, see Hematite (disambiguation). ... This heap of iron ore pellets will be used in steel production. ... 2. ...

Astrobleme-related ores

This article or section does not cite any references or sources. ...

Extraction

Main article: mining

The basic extraction of ore deposits follows the steps below; This article is about mineral extractions. ...

  1. Prospecting or Exploration to find and then define the extent and value of ore where it is located ("ore body")
  2. Conduct resource estimation to mathematically estimate the size and grade of the deposit
  3. Conduct a pre-feasibility study to determine the theoretical economics of the ore deposit. This identifies, early on, whether further investment in estimation and engineering studies is warranted and identifies key risks and areas for further work.
  4. Conduct a feasibility study to evaluate the financial viability, technical and financial risks and robustness of the project and make a decision as whether to develop or walk away from a proposed mine project. This includes mine planning to evaluate the economically recoverable portion of the deposit, the metallurgy and ore recoverability, marketability and payability of the ore concentrates, engineering, milling and infrastructure costs, finance and equity requirements and a cradle to grave analysis of the possible mine, from the initial excavation all the way through to reclamation.
  5. Development to create access to an ore body and building of mine plant and equipment
  6. The operation of the mine in an active sense
  7. Reclamation to make land where a mine had been suitable for future use

Prospecting is the physical search for minerals, fossils, precious metals or mineral specimens, and is also known as fossicking. ... Mineral exploration is the process undertaken by companies, partnerships or corporations in the endeavour of finding ore (commercially viable concentrations of minerals) to mine. ... Mineral resource classification involves organizing information on ores and other current or future economically important mineral deposits as a guidance for governmental and industrial planning. ... A feasibility study is a preliminary study undertaken to determine and document a projects viability. ... Georg Agricola, author of De re metallica, an important early book on metal extraction Metallurgy is a domain of materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their compounds, which are called alloys. ... Land rehabilitation is the process of returning the land in a given area to some degree of its former self, after some process (business, industry, natural disaster etc. ...

Trade

Ores (metals) are traded internationally and comprise a sizeable portion of international trade in raw materials both in value and volume. This is because the worldwide distribution of ores is unequal and dislocated from locations of peak demand and from smelting infrastructure.


Most base metals (copper, lead, zinc, nickel) are traded internationally on the London Metal Exchange, with smaller stockpiles and metals exchanges monitored by the COMEX and NYMEX exchanges in the United States and the Shanghai Futures Exchange in China. The London Metal Exchange or LME is the futures exchange with the worlds largest market in options and futures contracts on base and other metals. ...


Iron ore is traded between customer and producer, though various benchmark prices are set yearly between the major mining conglomerates and the major consumers, and this sets the stage for smaller participants.


Other, lesser, commodities do not have international clearing houses and benchmark prices, with most prices negotiated between suppliers and customers one-on-one. This generally makes determining the price of ores of this nature opaque and difficult. Such metals include lithium, niobium-tantalum, bismuth, antimony and rare earths. Most of these commodities are also dominated by one or two major suppliers with >60% of the world's reserves. The London Metal Exchange aims to add uranium to its list of metals on warrant. This article is about the chemical element named Lithium. ... General Name, Symbol, Number niobium, Nb, 41 Chemical series transition metals Group, Period, Block 5, 5, d Appearance gray metallic Standard atomic weight 92. ... General Name, Symbol, Number tantalum, Ta, 73 Chemical series transition metals Group, Period, Block 5, 6, d Appearance gray blue Standard atomic weight 180. ... General Name, Symbol, Number bismuth, Bi, 83 Chemical series poor metals Group, Period, Block 15, 6, p Appearance lustrous pink Standard atomic weight 208. ... This article is about the element. ... A rare earth is an oxide of a rare earth element. ...


The World Bank reports that China was the top importer of ores and metals in 2005 followed by the USA and Japan. The World Bank logo The World Bank (the Bank) is a part of the World Bank Group (WBG), is a bank that makes loans to developing countries for development programs with the stated goal of reducing poverty. ...


Important ore minerals

Argentite, a mineral which belongs to the galena group, is cubic silver sulfide (Ag2S). ... This article is about the chemical element. ... Baryte with Cerussite from Morocco Baryte with Galena and Hematite from Poland Barite (BaSO4) is a mineral consisting of barium sulfate. ... This article is about the ore. ... Aluminum redirects here. ... Three varieties of beryl: Morganite, Aquamarine, and Heliodor The mineral beryl is a beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6. ... Bornite (Copper Iron Sulfide) Tarnish of Bornite Bornite is a sulfide mineral with chemical composition Cu5FeS4 that crystallizes in the cubic system. ... Cassiterite is a tin oxide mineral, SnO2. ... Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. ... For other uses, see Copper (disambiguation). ... Chalcopyrite (sometimes called peacock pyrite) is a copper iron sulfide mineral that crystallizes in the tetragonal system. ... Chromite, iron magnesium chromium oxide: (Fe,Mg)Cr2O4, is an oxide mineral belonging to the spinel group. ... REDIRECT [[ Insert text]]EWWWWWWWWWWWWW YO General Name, symbol, number chromium, Cr, 24 Chemical series transition metals Group, period, block 6, 4, d Appearance silvery metallic Standard atomic weight 51. ... Cinnabar, sometimes written cinnabarite, is a name applied to red mercury(II) sulfide (HgS), or native vermilion, the common ore of mercury. ... This article is about the element. ... Cobaltite is a mineral composed of cobalt, iron, arsenic sulfide, (Co,Fe)AsS. Structuraly it resembles pyrite (FeS2) with one of the sulfur atoms replaced by an arsenic atom. ... Ferrocolumbite, also called niobite, columbate and columbite [(Fe, Mn)(Nb, Ta)2O6] is a black mineral that is an ore of niobium and tantalum. ... Tantalite, [(Fe, Mn) Ta2O6], is a mineral that is close to columbite. ... Coltan is the colloquial African name for columbite-tantalite, a metallic ore used to produce the elements niobium and tantalum. ... For other uses, see Galena (disambiguation). ... GOLD refers to one of the following: GOLD (IEEE) is an IEEE program designed to garner more student members at the university level (Graduates of the Last Decade). ... For other uses, see Quartz (disambiguation). ... Miners operate a hydraulic sluice in San Francisquito Canyon, Los Angeles County. ... For other uses, see Hematite (disambiguation). ... Ilmenite is a weakly magnetic iron-black or steel-gray mineral found in metamorphic and igneous rocks. ... Magnetite is a ferrimagnetic mineral with chemical formula Fe3O4, one of several iron oxides and a member of the spinel group. ... Molybdenite is a mineral of molybdenum disulfide, MoS2. ... Pentlandite is a iron-nickel sulfide, (Fe,Ni)9S8. ... Pyrolusite is a mineral consisting essentially of manganese dioxide (MnO2) and is important as an ore of manganese. ... Scheelite is a calcium tungstate mineral with the chemical formula CaWO4. ... Sphalerite sample Another sphalerite sample The unit cell of sphalerite Sphalerite (ZnS) is a gay mineral that is the chief ore of zinc. ... For the band, see Pitchblende (band). ... This article is about the chemical element. ... Wolframite (Fe,Mn)WO4, is an iron manganese tungstate mineral that is the intermediate between ferberite (Fe2+ rich) and huebernite (Mn2+ rich). ...

See also

Wikimedia Commons has media related to:
Ore
Image File history File links Commons-logo. ... Mineral resource classification involves organizing information on ores and other current or future economically important mineral deposits as a guidance for governmental and industrial planning. ... Economic geology is concerned with earth materials that can be utilized for economic and/or industrial purposes. ... The various theories of ore genesis explain how the various types of mineral deposits form within the Earths crust. ...

  Results from FactBites:
 
ore - Encyclopedia.com (1233 words)
Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore. Ores are usually found concentrated in deposits with a definite gradation of metal concentration from the ore to the surrounding rock.
Veins of ore exposed to weathering are often eroded and redeposited in placers and alluvial deposits, e.g., ore-bearing stream and lake gravels or beach sands.
Important ores of aluminum, iron, manganese, and tin are oxides; important ores of antimony, copper, lead, mercury, nickel, silver, and zinc are sulfides.
24 Ore Muresene (2084 words)
După mai bine de trei ore de la deschiderea secţiilor de votare urnele erau aproape goale, doar câţiva cetăţeni şi-au exprimat opţiunea şi dorinţa de a vota.
Din acestea, juriul a selectat 56 de filme care vor intra în concurs.
Durata totală a filmelor concurente este de 10 ore şi 18 minute.
  More results at FactBites »

 
 

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