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Mining is generally done two ways: 1) open pit mining which strips off the surface to get to ore beneath .. and 2) deep shaft mining which basically tunnels down to deep deposits. Both have advantages and disadvantages. Both are potentially environmentally catastrophic but can be done safely with a lot of cost or at least the effects mitigated during mining, or after the mine is played out (e ...

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IRON POISONING. Iron is a vital mineral in the human body. Iron overload, however, is deadly. … Disadvantages of the natural iron chelators are the same as the drug chelators.

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It doesn't matter whether you are mining and processing iron ore or limestone, many of the advantages and disadvantages are common to these operations. Examples of advantages of exploiting it's own mineral resources:

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advantages and disadvantages of iron ore quarry #187; what are the advantages and disadvantages of mining iron ore #187; iron processing the ore disadvantages and advantages The iron occur in Fe mineral ores contains impurities of Phosphorus, sulphur …

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1) Mining of ores will enable people to get useful elements with significant profit. 2) Mining will give unemployed people to get at least the simplest job. 1) Since mining sites are usually in ...

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the advantages and disadvantages of mining iron ore. The environmental impact and economics of mineral mining and metal extraction - Chemical economics and advantages and disadvantages mining iron ore. Get Now. GCSE Metals Revise Problems of Extraction from Ores. As part of their work on metals, GCSE chemistry students will look at some of the you learnt whilst studying the quarrying of ...

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What are the disadvantages of iron - Answers.com

Iron rusts unless it is protected from water with paint or some other sealant. It is brittle unless it is combined with carbon in some amount (steel). Processing it takes a lot of energy and can ...

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Mineral - Wikipedia. Minerals are not equivalent to rocks. A rock is an aggregate of one or more minerals or mineraloids. Some rocks, such as limestone or quartzite, are composed primarily of one mineral—calcite or aragonite in the case of limestone, and quartz in the latter case.

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The Disadvantages of the Iron Ore Cyclones - Xinhai. Feb 5, 2018 There are some disadvantages of the iron ore cyclones except advantages China has abundant iron ore resources, but the grade is low and the large mines, but there are various types and specifications in these mines,

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Iron - Wikipedia, the free encyclopedia. Iron is a chemical element with symbol Fe and atomic number 26. It is a metal in the first ... Crude iron metal is produced in blast furnaces, where ore is reduced by coke to pig iron, which has a high carbon content. .....

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What are the disadvantages of setting up a mining . What are the disadvantages of setting up a mining (copper, gold, The Anaconda Mining co. The tailings were in part iron …

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Mining gives people a portion of the resources needed for modern civilization, but it can also lead to environmental harm. While some are in favor of mining due to the resources it produces and the jobs it provides in the U.S., some are opposed to mining based on opposition to destructive mining

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How does Mining Affect the Environment - Buzzle. Jan 9, 2016 ... Mining refers to the process of extracting metals and minerals from the earth. Gold, silver, diamond, iron…

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What Are the Advantages and Disadvantages of Mining ... What Are the Advantages and Disadvantages of Mining? Mining gives people a portion of the resources needed for modern civilization, but it can also lead to environmental harm.

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The Advantages of Iron | HowStuffWorks

­Iron is an incredibly useful substance. It's less brittle than stone yet, compared to wood or copper, extremely strong. If properly heated, iron is also relatively easy to shape into various forms, as well as refine, using simple tools.