tin mining encyclopedia

  • Tin processing Mining and concentrating |

    Tin processing Tin processing Mining and concentrating: Vein deposits, such as those in Bolivia and the United Kingdom, usually occur in granite formations and are recovered by conventional underground hardrock mining techniques. In deep mines, primary crushing equipment is usually located underground in order to reduce the ore to a manageable size before transportation to the surface ...

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  • Tin Wikipedia

    Tin is often recovered from granules washed downstream in the past and deposited in valleys or the sea. The most economical ways of mining tin are by dredging, hydraulicking, or open pits. Most of the world's tin is produced from placer deposits, which can contain as little as % tin.

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  • Dartmoor tinmining

    The Dartmoor tin mining industry is thought to have originated as early as preRoman times, and continued right through to the 20th is smelted from cassiterite, a mineral found in hydrothermal veins in granite, so the uplands of Dartmoor, in Devon, England, were a particularly productive of the older sites carry the prefix Wheal (from a Celtic word meaning mine or …

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  • Tin mining: tunnel – Stewart Island/Rakiura – Te Ara ...

    This tunnel is a remnant from the tin mining that was first attempted on the Tin Range behind Port Pegasus/Pikihatiti in the 1880s. It continued intermittently until the 1930s.

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  • tin | Definition, Properties, Uses, Facts |

    Tin, a chemical element belonging to the carbon family, Group 14 (IVa) of the periodic table. It is a soft, silvery white metal with a bluish tinge, known to the ancients in bronze, an alloy with copper. Tin is widely used for plating steel cans used as food containers, in metals used for bearings, and in solder.

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  • Bolivia |

    The economy was aided in the late 19th century by a silver boom. When prices collapsed, silver production gave way to tin mining. The dominance of mining in Bolivia's economy conditioned the political system. A few wealthy mine and plantation owners, allied with various foreign interests, competed for power.

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  • Tin mining: tailings – Stewart Island/Rakiura – Te Ara ...

    Tin mining: tailings (2nd of 3) Next Tailings – the rock and gravel excavated and dumped in the course of mining for tin – could still be seen in parts of the Tin Range more than 70 years after mining was abandoned in the 1930s.

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  • Destruction of the Ecosystem | International Encyclopedia ...

    Not only did extensive tin mining ruin key components of these local ecosystems, it created an artificial bubble in the tin market. Due to difficulty in transporting the metal to Europe, both the Federated Malay States and the Dutch East Indies accumulated large stocks that later caused a collapse of the tin …

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  • Mining | The Canadian Encyclopedia

    Although mining has been key to Canadian settlement and development, in recent decades the industry has also been criticized for its environmental and social impacts. Canada remains one of the world’s leading mining countries and has become a centre of global mining finance and expertise. Description

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  • Encyclopedia Judaica: Metals Mining Jewish Virtual Library

    Encyclopedia Judaica: Metals Mining. ... In England, for instance, Jews had worked in tin mining in Cornwall in 1198. Joachim *Gaunse appeared in 1581 and suggested to the English government new methods for processing copper. When it became known that he was a Jew from Prague, he was arrested by the authorities and his fate is unknown.

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  • Mining in Malaysia Wikipedia

    Starting from the 1980s, tin mining in Malaysia experienced sharp decline due to competition from Brazil and the falling of tin price. In 1989, the Malaysian Tin Products Manufacturers' Association was established to promote and protect the downstream business of tin …

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  • Tin processing |

    Tin processing, preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of grams per cubic centimetre, a low melting point of °C ( °F), and a high boiling point of 2,625 °C (4,757 °F). Tin is

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  • Bolivia Increase in tin mining |

    Bolivia Bolivia Increase in tin mining: The Liberal victory was also closely associated with a basic shift in the Altiplano mining economy. As the world silver market began to decline in the 1880s and early ’90s, mining operations began shifting to tin, which is found in association with silver, because tin was suddenly in demand by all the major industrialized countries.

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  • Kids encyclopedia facts

    Use the search form above to search over 700,000 articles in the Kiddle encyclopedia. Below is a list of some articles and categories to help you research different topics for school homework help and general education. All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used for personal and educational purposes under AttributionShareAlike ...

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  • tinmining |

    tinmining was undertaken in Cornwall and Devon in prehistoric times and continued into the 20th cent. Early mines exploited alluvial deposits near the surface but by the 16th cent. underground working following veins of ore had become the norm. Flood waters limited access to some tin deposits and deeper mining only became practicable during the 18th cent. when Newcomen beamengines made it ...

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  • Mining |

    Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. (One organic

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  • Tin mining Wikipedia

    Tin mining began early in the Bronze Age, as bronze is a coppertin alloy. Tin is a relatively rare element in the Earth’s crust, with approximately 2 ppm (parts per million), compared to iron with 50,000 ppm. History. Tin extraction and use can be dated to the beginnings of the ...

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  • Mining Malaysia export, area, annual, sector

    To revitalize the tinmining industry, the Malaysian Chamber of Mines recommended that the government of Perak, one of the two main tinmining states (Selangor being the other), change the royalty rate to a flat rate. Malaysia was the secondlargest producer of refined tin in 1997.

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  • Britain, Phoenicia's Secret Treasure

    Hence, the closely guarded treasure secret of Britain's tin passed hands from the Phoenicians to the Romans. The fact that tin trade existed is too well attested to need proof. Herodotus as early as 445 BC speaks of the British Isles as the Tin Islands or Cassiterides.

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  • Tin mining in Britain Wikipedia

    Tin mining in Britain took place from prehistoric times, during Bronze Age Britain, and until the 20th century. Mention of tin mining in Britain was made by many Classical writers. Tin is necessary to smelt bronze so without tin there could not have been the Bronze Age.

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  • tin

    Tinner's rabbits is a name that has emerged recently to describe a pattern of three rabbits or hares that has been found in many parts of the world, including England and Wales, mainland Europe, China, and Russia. It occurs, for example, on the medieval roof bosses of some churches in Devon and Cornwall and is thought to be connected with the local tinmining industry.

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  • Tin Simple English Wikipedia, the free encyclopedia

    Tin is found in two allotropes: alphatin and betatin. Alphatin is a brittle, dull, powdery, semimetallic form of tin. It is made when very pure tin is cooled. Betatin is the normal shiny, soft, conductive, metallic form. It is made at higher temperatures. The decay of tin by turning from betatin to alphatin is called tin pest. Alphatin ...

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  • Mining Thailand import, area, policy, sector

    Tin ore production in 2000 totaled 1,930 tons (metal content), most of it exported; tin was mined mainly on the southern peninsula—52% was produced from offshore dredging. Tin production has been steadily declining in the face of falling world prices and output curbs. Tungsten output (metal content) was …

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  • gunmetal | Infoplease

    a bronze , an alloy of copper, tin, and a small amount of zinc. Although originally used extensively for making guns (from which it received its name), it has been superseded by steel, and it is now chiefly employed in casting machine parts. The

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  • How tin is made material, used, processing, steps ...

    In the 1800s, tin was an ordinary material particularly popular with the working class because of its low cost and bright luster. Made of iron or steel rolled thin and dipped in molten tin, it was easy to manipulate, cut, and solder.

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  • Tin mining: dam and pipe – Stewart Island/Rakiura – Te Ara ...

    A dam and pipe are reminders of the tin mining that was carried out in the Tin Range behind Port Pegasus from the 1880s to the 1930s. The water was channelled through the pipe and directed onto the tinbearing deposits to flush the tin out, as with alluvial gold.

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  • Eukey Facts for Kids Kiddle

    Eukey was originally called Paddock Swamp. In 1872 tin was found in Eukey by Alexander (Sandy) Ross and tin mining commenced in the district. Sandy Ross's land was very wet and so the tin was dredged out by the Paddock Creek Tin Dredging Company. Eukey State School opened on 25 January 1897 as the Paddock Swamp Provisional School.

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  • Stannary town The Full Wiki

    Many stannaryrelated papers including registration of tin bounds, records of tin production and papers relating to disputes are to be found in the records of families with tin mining interests, although these are frequently intermingled with records on other matters so location of specific information is difficult.

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  • Jos | Article about Jos by The Free Dictionary

    Jos (jôs), city (1991 est. pop. 182,000), central Nigeria, on the Jos is a mining center for tin ore, which is processed in the city, and a collection point for hides and skins and for marketgarden produce to be sent to Lagos.

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  • Daubrée, GabrielAuguste |

    In 1834 Daubrée entered the University of Strasbourg. His first interest was in tin mining; to study this he visited Norway, Sweden, and England. His membership in an official mission to Cornwall in 1837 resulted in his contribution to Dufrenoy and Élie de Beaumont’s Voyage métallurgique en ...

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  • Mining Simple English Wikipedia, the free encyclopedia

    Mining is the process of digging things out of the ground. Any material that cannot be grown must be mined. Mining things from the ground is called can include extraction of metals and minerals, like coal, diamond, gold, silver, platinum, copper, tin and can also include other things like oil and natural gas.. Some mining is done by scraping away the soil (dirt ...

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  • Mining in Cornwall and Devon Wikipedia

    Mining in Cornwall and Devon, in the southwest of England, began in the early Bronze Age, around 2150 BC, and ended (at least temporarily) with the closure of South Crofty tin mine in Cornwall in 1998. Tin, and later copper, were the most commonly extracted tin mining continued long after the mining of other metals had become unprofitable. ...

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  • Metals |

    Tin's chemical symbol, Sn, refers to the name the Romans gave it: stannum. Just as tin added to copper gave bronze its strength, alloys of tin with copper and antimony created pewter, a highly useful, malleable material for pots and dinnerware popular from the thirteenth century through the early nineteenth century.

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