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82 relations: Almonty Industries, Apatite, Apiaceae, Arbutus, Arsenopyrite, Avocet Mining, Banco Nacional Ultramarino, Beira (Portugal), Calcite, Cassiterite, Castelo Branco District, Chiastolite, Chlorite group, Conveyor belt, Copper, Cordierite, Covellite, Covilhã, Dolomite, Drainage, Drilling and blasting, Eucalyptus, Explosive material, Ferberite, Fluorapatite, Fluorite, Fundão, Portugal, Galena, Gardunha, Granite, Gravel, Heavy metals, Hematite, Iron, Jig concentrators, Lime (material), Longwall mining, Magnetite, Manteigas, Marcasite, Metal, Metamorphism, Mineral, Mineral processing, Muscovite, Ordovician, Ore, Ore genesis, Oxide minerals, PH, ..., Pine, Portugal, Precambrian, Pumping station, Pyrite, Pyrrhotite, Quartz, Raise borer, Room and pillar mining, Schist, Shaft mining, Siderite, Silicate minerals, Silurian, Sojitz, Sphalerite, Stannite, Stoping, Sulfide minerals, Tailings, Tailings dam, Tin, Topaz, Tungsten, Ulex, Variscan orogeny, Vein (geology), Wastewater treatment, Wolframite, World War I, World War II, Zêzere River. Expand index (32 more) »
Almonty Industries
Almonty Industries is a global mining company focused on tungsten mining and exploration.
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Apatite
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal.
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Apiaceae
Apiaceae or Umbelliferae, is a family of mostly aromatic flowering plants named after the type genus Apium and commonly known as the celery, carrot or parsley family, or simply as umbellifers.
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Arbutus
Arbutus is a genus of 12 accepted speciesAct.
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Arsenopyrite
Arsenopyrite is an iron arsenic sulfide (FeAsS).
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Avocet Mining
Avocet Mining plc is a West African-focussed gold mining and exploration company with its primary operations in Burkina Faso and Guinea.
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Banco Nacional Ultramarino
Banco Nacional Ultramarino (National Overseas Bank) was a Portuguese bank with operations throughout the world, especially in Portugal's former overseas provinces.
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Beira (Portugal)
Beira was one of the six traditional provinces or comarcas of Portugal.
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Calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
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Cassiterite
Cassiterite is a tin oxide mineral, SnO2.
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Castelo Branco District
Castelo Branco District (Distrito de Castelo Branco) is located in Central Portugal, the district capital is Castelo Branco, which is now also the most populous city, although the city of Covilhã was once the largest city.
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Chiastolite
Chiastolite is a variety of the mineral andalusite with the chemical composition Al2SiO5.
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Chlorite group
The chlorites are a group of phyllosilicate minerals.
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Conveyor belt
A conveyor belt is the carrying medium of a belt conveyor system (often shortened to belt conveyor).
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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Cordierite
"Praseolite" redirects here.
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Covellite
Covellite (also known as covelline) is a rare copper sulfide mineral with the formula CuS.
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Covilhã
Covilhã is a city and a municipality in the Centro region, Portugal.
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Dolomite
Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite.
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Drainage
Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area.
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Drilling and blasting
Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation.
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Eucalyptus
Eucalyptus L'Héritier 1789 (plural eucalypti, eucalyptuses or eucalypts) is a diverse genus of flowering trees and shrubs (including a distinct group with a multiple-stem mallee growth habit) in the myrtle family, Myrtaceae.
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Explosive material
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
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Ferberite
Ferberite is the iron endmember of the manganese - iron wolframite solid solution series.
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Fluorapatite
Fluorapatite, often with the alternate spelling of fluoroapatite, is a phosphate mineral with the formula Ca5(PO4)3F (calcium fluorophosphate).
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Fluorite
Not to be confused with Fluoride. Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2.
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Fundão, Portugal
Fundão is a city and a municipality in the Castelo Branco District in Portugal.
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Galena
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide.
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Gardunha
The Gardunha mountain range (Serra da Gardunha), so called by the Moors (Gardunha or Guardunha meaning refuge), is located in central Portugal, in Centro Region, beyond the Serra da Estrela range, giving way to an extensive plain called Cova da Beira.
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Granite
Granite is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.
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Gravel
Gravel is a loose aggregation of rock fragments.
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Heavy metals
Heavy metals are generally defined as metals with relatively high densities, atomic weights, or atomic numbers.
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Hematite
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Jig concentrators
Jig concentrators are devices used mainly in the mining industry for mineral processing, to separate particles within the ore body, based on their specific gravity (relative density).
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Lime (material)
Lime is a calcium-containing inorganic mineral in which oxides, and hydroxides predominate.
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Longwall mining
Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6 – 1.0 m thick).
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Magnetite
Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4.
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Manteigas
Manteigas is a town and a municipality in Portugal.
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Marcasite
The mineral marcasite, sometimes called white iron pyrite, is iron sulfide (FeS2) with orthorhombic crystal structure.
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Metal
A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.
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Metamorphism
Metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change).
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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Mineral processing
In the field of extractive metallurgy, mineral processing, also known as ore dressing, is the process of separating commercially valuable minerals from their ores.
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Muscovite
Muscovite (also known as common mica, isinglass, or potash mica) is a hydrated phyllosilicate mineral of aluminium and potassium with formula KAl2(AlSi3O10)(FOH)2, or (KF)2(Al2O3)3(SiO2)6(H2O).
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Ordovician
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era.
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Ore
An ore is an occurrence of rock or sediment that contains sufficient minerals with economically important elements, typically metals, that can be economically extracted from the deposit.
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Ore genesis
Various theories of ore genesis explain how the various types of mineral deposits form within the Earth's crust.
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Oxide minerals
The oxide mineral class includes those minerals in which the oxide anion (O2−) is bonded to one or more metal ions.
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PH
In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.
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Pine
A pine is any conifer in the genus Pinus,, of the family Pinaceae.
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Portugal
Portugal, officially the Portuguese Republic (República Portuguesa),In recognized minority languages of Portugal: Portugal is the oldest state in the Iberian Peninsula and one of the oldest in Europe, its territory having been continuously settled, invaded and fought over since prehistoric times.
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Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pЄ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.
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Pumping station
Pumping stations are facilities including pumps and equipment for pumping fluids from one place to another.
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Pyrite
The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide).
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Pyrrhotite
Pyrrhotite is an iron sulfide mineral with the formula Fe(1-x)S (x.
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Quartz
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
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Raise borer
A raise borer is a machine used in underground mining, to excavate a circular hole between two levels of a mine without the use of explosives.
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Room and pillar mining
Room and pillar (variant of breast stoping), also called pillar and stall, is a mining system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars.
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Schist
Schist (pronounced) is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation (nearby grains are roughly parallel).
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Shaft mining
Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.
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Siderite
Siderite is a mineral composed of iron(II) carbonate (FeCO3).
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Silicate minerals
Silicate minerals are rock-forming minerals with predominantly silicate anions.
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Silurian
The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya.
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Sojitz
is a sogo shosha (general trading company) based in Tokyo, Japan.
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Sphalerite
Sphalerite ((Zn, Fe)S) is a mineral that is the chief ore of zinc.
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Stannite
Stannite is a mineral, a sulfide of copper, iron, and tin.
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Stoping
Stoping is the process of extracting the desired ore or other mineral from an underground mine, leaving behind an open space known as a stope.
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Sulfide minerals
The sulfide minerals are a class of minerals containing sulfide (S2−) as the major anion.
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Tailings
Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra-cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore.
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Tailings dam
A tailings dam is typically an earth-fill embankment dam used to store byproducts of mining operations after separating the ore from the gangue.
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Tin
Tin is a chemical element with the symbol Sn (from stannum) and atomic number 50.
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Topaz
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F, OH)2.
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Tungsten
Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.
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Ulex
Ulex (commonly known as gorse, furze or whin) is a genus of flowering plants in the family Fabaceae.
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Variscan orogeny
The Variscan or Hercynian orogeny is a geologic mountain-building event caused by Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea.
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Vein (geology)
In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock.
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Wastewater treatment
Wastewater treatment is a process used to convert wastewater into an effluent (outflowing of water to a receiving body of water) that can be returned to the water cycle with minimal impact on the environment or directly reused.
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Wolframite
Wolframite, (Fe,Mn)WO4, is an iron manganese tungstate mineral that is the intermediate between ferberite (Fe2+ rich) and hübnerite (Mn2+ rich).
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World War I
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Zêzere River
The Zêzere is a river in Portugal, tributary to the Tagus.
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References
[1] https://en.wikipedia.org/wiki/Panasqueira
