how is iron ore formed yahoo

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How is iron ore formed - Answers

Iron ore is a nonrenewable resource. The earth will not make any more iron ore than is already here. iron was formed when the earth was in its infancy.

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What are the effects of iron mining? | Yahoo .

11-08-2011· Iron ore in itself (the raw stuff from the ground) is used to make the more generally thought of "pig iron" which is the stuff they use to make steel. It is not just that iron in itself is useful, but it is more integral to the global economy than any other commodity, except perhaps oil, because most countries, especially the U.S. use it to keep their hands and feet wet in the global economy pot.

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How is iron extracted from hematite ore? | Yahoo .

14-06-2006· Extraction Of Iron . Like the majority of metal ores, iron ores are not pure compounds. Rather, most iron ore compounds are polluted with sand, rock and silica. The process of extracting iron involves a number of steps. The first step to concentrate the iron ore and remove its contents of silica.

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how is iron ore distributed? | Yahoo Answers

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Iron (obtained from its ore by smelting)? | Yahoo .

25-06-2007· Yahoo Products; Anonymous. Anonymous asked in Science & Mathematics Chemistry · 1 decade ago. Iron (obtained from its ore by smelting)? you know, the process extracting iron from iron ore using haematite, coke and limestone. They are put into the top of the blast furnace and hot air is blown in at the bottom.

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How is Iron mined, refined and recycled? | Yahoo .

31-10-2007· Most iron is found in minerals formed by the combination of iron with other elements. Iron oxides are the most common. Those minerals near the surface of the earth that have the highest iron content are known as iron ores and are mined commercially. Iron ore is converted into various types of iron through several processes.

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How is iron extracted from iron ore? | Yahoo Answers

04-12-2006· The carbon monoxide reduces the iron ore (in the chemical equation below, hematite) to molten iron, becoming carbon dioxide in the process: 6 CO + 2 Fe2O3 â†' 4 Fe + 6 CO2. The flux is present to melt impurities in the ore, principally silicon dioxide sand and other silicates.

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How is iron formed or made? - Quora

Iron is formed in a large variety of ways. Most of the iron we see however, is formed from fusion within stars. Stars produce heat and light due to nuclear fusion processes. The immense gravity from stars causes the elements that make up the star ...

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What is the structure of iron ore? | Yahoo Answers

13-06-2013· 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. Indeed, it has been argued that iron ore is "more integral to the global economy than any other commodity, except perhaps oil"

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Is iron-ore and other such minerals found in .

01-05-2008· Iron ore is found in deserts. They had a rich supply of metals because they lived in an area with many hydrothermal deposits of copper and other metals. They could trade for anything else they need. Most iron was deposited a billion years ago or longer and the current location of desserts doesn't have much significances that long ago.l

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Is Iron Ore a pure substance? | Yahoo Answers

30-07-2012· Iron ore could be a pure substance, as in a pure mineral. Hematite is the chemical compound Fe2O3. One could say "this is not pure because it has oxygen in it" but if you are talking minerals, the mineral is Fe2O3.

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Re: How is 'bog iron' formed? - MadSci

Message: Hi Arnold, Thanks for the question. Bog iron is a mineral iron ore also known as limonite. It forms under oxidizing conditions, because reduced iron (ferrous iron or Fe(II)) is soluble, whereas oxidized iron (ferric iron or Fe(III)) is insoluble.

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How is iron ore formed? | Study

Answer to: How is iron ore formed? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also ask...

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How was Iron created? - Quora

Thank you for asking this question. There are three sources of the best answer to this question. Two are from the scientific point of view and one is as present in a revealed book, and amazingly all of them point towards the extraterrestrial sourc...

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how is iron ore formed? | Yahoo Answers

16-01-2009· Over time, the large deposits of iron rich sediments were moved and changed because of the movements of the crustal plates, and they eventually formed large deposits of magnetite and haematite, which make up most of the world's iron ore deposits. That is why most iron ore deposits are found in ancient rock formations. Edit:

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What is Iron ore? | Yahoo Answers

23-06-2008· Other sources of magnetite iron ore include metamorphic accumulations of massive magnetite ore such as at Savage River, Tasmania, formed by shearing of ophiolite ultramafics. Another, minor, source of iron ores are magmatic accumulations in ultramafic to mafic layered intrusions which contain a typically titanium-bearing magnetite crystal rock (magnetitite) often with vanadium.

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How is Iron ore mined? | Yahoo Answers

18-01-2006· Today iron ore is mined in huge open pit operations. In years past it was sometimes mined from shaft mines, but these were small operations. Iron ore mines today are often hundreds of acres in size and consist of pits built with benches, or flat step-like ramps that large trucks can drive in .

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How is iron ore formed? | Study

Answer to: How is iron ore formed? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also ask...

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Iron Ore ~ Learning Geology

A few iron ore deposits, notably in Chile, are formed from volcanic flows containing significant accumulations of magnetite phenocrysts. Chilean magnetite iron ore deposits within the Atacama Desert have also formed alluvial accumulations of magnetite in streams leading from these volcanic formations.

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KUMBA IRON ORE LTD (KIROY) Stock Price ... - .

Find the latest KUMBA IRON ORE LTD (KIROY) stock quote, history, news and other vital information to help you with your stock trading and investing.

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How is Iron Ore Mined - Pediaa.Com

21-11-2014· Iron ore can be mined from all places in the world but to be commercially viable, the percentage of iron in this iron ore needs to be at least 20%. This is because lower iron content in the ore will render all the money and effort exerted in mining the ore from under the surface of .

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Iron Ore | HowStuffWorks

Iron Ore - Iron ore is where you'll find the majority of Earth's iron. Learn how iron ore is mined and eventually refined into things like steel.

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What is the structure of iron ore? | Yahoo Answers

13-06-2013· 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. Indeed, it has been argued that iron ore is "more integral to the global economy than any other commodity, except perhaps oil"

read more

How is iron extracted from iron ore? | Yahoo .

04-12-2006· The carbon monoxide reduces the iron ore (in the chemical equation below, hematite) to molten iron, becoming carbon dioxide in the process: 6 CO + 2 Fe2O3 â†' 4 Fe + 6 CO2. The flux is present to melt impurities in the ore, principally silicon dioxide sand and other silicates.

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Iron ore: how our greatest asset is formed

Orebodies found at ground level containing iron, bauxite and gold are the type that were most recently formed, although this process of enrichment at the earth's surface actually started to take place tens of millions of years ago. The composition of iron ore. An ore is an economically exploitable mineral or an association of minerals (rock).

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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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How is iron ore formed - Answers

Iron ore is a nonrenewable resource. The earth will not make any more iron ore than is already here. iron was formed when the earth was in its infancy.

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Iron Ore: Sedimentary Rock - Pictures, Definition & .

18-08-2020· What is Iron Ore? Earth's most important iron ore deposits are found in sedimentary rocks. They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe 2 .

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Is Iron Ore a pure substance? | Yahoo Answers

30-07-2012· Iron ore could be a pure substance, as in a pure mineral. Hematite is the chemical compound Fe2O3. One could say "this is not pure because it has oxygen in it" but if you are talking minerals, the mineral is Fe2O3.

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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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