how do we mine iron ore yahoo answers

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  • Strip Mining, Open-pit Mining, Surface Mining, .

    Strip mining is a kind of surface mining. The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it. To mine the ore, these layers have to be removed. The steps in strip mining are similar to open-pit mining.

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  • why do we reform natural gas before using it for .

    26-07-2006· why do we reform natural gas before using it for reduction of iron ore ?

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  • Iron Ore | The Canadian Encyclopedia

    Iron ore usually consists of iron oxides and carbonates. Its most important mineral forms are magnetite (Fe 3 O 4, 72.4% Fe), hematite (Fe 2 O 3, 69.9% Fe) and siderite (FeCO 3, 48.29% Fe). In Brazil, some ore that contains practically no other minerals can grade as high as 68% Fe, but the crude ore mined in Canada grades between 30 and 44% Fe.

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  • How is cobalt mined? - Answers

    Cobalt likes arsenic, and the arsenide is mined to recover cobalt only in Canada and Morocco. There are a number of other locations where cobalt is recovered as a byproduct of copper or nickel ...

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  • Ore | mining | Britannica

    Ore, a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An older definition restricted usage of the word ore to metallic mineral deposits, but the term has expanded in some instances to include nonmetallics. Although more than 2,800 mineral species

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  • What is Iron ore? | Yahoo Answers

    22-06-2008· Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel. 98% of the mined iron ore is used to make steel.[1] Pure iron is virtually unknown on the surface of the Earth except as Fe-Ni alloys from meteorites and very rare forms of deep mantle xenoliths.

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  • what do you use to mine iron ores in ... - iron ore .

    Lesson 1: How Do We Mine Iron Ore? Kelly Bolen Target 4th grade, Michigan History . or life on a freighter. Resources Extension Vinyard, Dr. Joellen McNergney. A Day in the Life. Mark at the Iron Ore Mine – YouTube. A Day in the Life. Mark at the Iron Ore Mine . where we mine iron ore. . internet are often those who doesn't have ...

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  • Where does iron ore come from? And how its .

    There are several sources and deposits of iron ore:- Bog Iron used to be an important source in colonial america and in Viking era. Bog iron occurs in swamps and bogs that contains dissolved ferrous iron. The ferrous iron is then oxidized by iron ...

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  • Vale Announces Level 1 Alert for 3 Inactive Tailings .

    11-06-2020· Notably, the three mines at Itabira churned around 36 million tons, or 12% of the company's total iron-ore output last year. The company stated that these developments do .

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  • What is ore? how many types of iron ore? | Yahoo .

    23-04-2011· Ore is an element in it's natural state. We chemically separate the elements to turn it into iron and whatever else it was bound to. When you think of ore, its elements existing in their natural (equilibrium) state.

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  • Aboriginal group says miners' use of gag clauses .

    18-08-2020· An Australian Aboriginal group on whose land BHP and Rio Tinto mine iron ore said on Tuesday that gag clauses in land agreements have stopped traditional owners from .

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  • Iron ore - Wikipedia

    Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite (Fe 3 O 4, 72.4% Fe), hematite (Fe 2 O 3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H 2 O), 55% Fe) or siderite (FeCO ...

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  • Where is the iron ore on Monster Hunter Tri? | .

    08-05-2010· Just mine in Area 4 of the first place you received - Moga Woods. You'll see little outcroppings of minerals in the cave (don't forget to bring a torch!) that will give you iron ore about 30% of the time. To get to Area 4 go to Area 1 then Area 3, then in between the two "halves" of Area 3 will be the entrance to Area 4.

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  • iron ore on runescape? | Yahoo Answers

    21-01-2009· the most efficient spot to mine it without having to walk a long way to get to a bank is in falador at the east bank i think, its the one that isnt by the castle, you go over by the party room and on the other side of it there is a little house type thing with some stairs, go down the stairs and then walk straight away from the stairs and there are ple iron ore spots, hope this helped ...

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  • Where is the iron ore on Monster Hunter Tri? | .

    08-05-2010· Just mine in Area 4 of the first place you received - Moga Woods. You'll see little outcroppings of minerals in the cave (don't forget to bring a torch!) that will give you iron ore about 30% of the time. To get to Area 4 go to Area 1 then Area 3, then in between the two "halves" of Area 3 will be the entrance to Area 4.

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  • Rio Tinto CEO forfeits millions over ... - .

    23-08-2020· Mining giant Rio Tinto stripped its CEO of US$3.5 million Monday after the company destroyed a 46,000-year-old Aboriginal heritage site to expand an iron ore mine in Australia. The Anglo-Australian firm blasted rock shelters in the Juukan Gorge in Western Australia's remote Pilbara region on May 24, destroying one of the earliest known sites occupied by Australia's indigenous people.

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  • Iron processing | Britannica

    14-08-2020· Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned.Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes 5 percent by weight of the Earth's crust, and it is the ...

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  • VALE S.A. (VALE) Stock Forum & Discussion - .

    New "interventor" problem (which is yet to be approved in court) explaining the recent weakness in the stock. Sep. 02, 2020 Federal prosecutors in Brazil's Minas Gerais state are seeking a court order requiring Vale to replace executives they accuse of disregarding safety procedures following the two deadly mining disasters.

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  • How do i calculate the mass percent of iron of the .

    11-02-2012· Find the mass weight of an Iron atom (55,845). Then find the atom mass of FeCO3 (by adding the atom mass of iron to that of Carbon(12,0107) and three times that of Oxygen(3x16,00=48). Then divide the atom weight of Iron (55,845) by that total (115,8557) and ply the answer by 100 to get a percentage. 55,845/115,8557=0.48202203258

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  • Iron ore - Wikipedia

    Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite (Fe 3 O 4, 72.4% Fe), hematite (Fe 2 O 3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H 2 O), 55% Fe) or siderite (FeCO ...

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  • Ore | mining | Britannica

    Ore, a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An older definition restricted usage of the word ore to metallic mineral deposits, but the term has expanded in some instances to include nonmetallics. Although more than 2,800 mineral species

    learn more
  • VALE S.A. (VALE) Stock Forum & Discussion - .

    Gold is down but VALE mines iron ore and nickel, which are both up. Will hold on another few weeks. If we can't get back over $12 soon will need to look at other options.

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  • How do miners mine iron? - Answers

    Answers is the place to go to get the answers you need and to ask the questions you want. ... Mine iron ore and drop them and mine them again. ... Why do we blow out candles on birthday cakes?

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  • Iron processing | Britannica

    14-08-2020· Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned.Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes 5 percent by weight of the Earth's crust, and it is the ...

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