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  • Why are coal mines deep inside the earth - Answers

    Coal is a sedimentary rock which is made of small rocks,dead plants and the fossils of dead animals which are buried deep in the ground.That is why it is deep in the ground. = )

  • Why Are Coal Mines Deep Inside The Earth

    Why Are Coal Mines Deep Inside The Earth. In some parts of the country coal might seem like an endangered species threatened by shiny new energy sources and the presidents new proposal to cut carbon emissions. But in Wyoming coals culture runs deep. Miners there extract over one million tons of the hard black rock every single day.

  • Why Are Coal Mines Deep Inside The Earth

    Why Is Coal Mine Is Warm Inside Binq Mining. Coal at a glance, 2010 coal national energy education coal mine is close by.Ideally, coal-fired power plants are built near coal mines to minimize transportation costs.With very high temperature inside the earth.More detailed.

  • why are coal mines deep inside the earth - Ina's kitchen

    EARTH SCIENCE FACTS. Very deep mines Most of the aluminum is physically and chemically bound inside rocks that comprise Earth s crust. Chat Online; why are coal mines deep inside the earth. Deep in coal country pondering future without it - Yahoo News UK Deep in coal country pondering future without it on Yahoo News UK. HARLAN Ky. (AP) — The rest

  • Why are coal mines found deep inside the Earth? -

    The reason coal is formed deep (ambiguous) inside the earth’s crust has a lot to do with the way coal is formed. Coal is formed by accumulation of vegetative material, which due to time, pressure, and heat decompose from their complex organic mole...

  • Why coal mines are found deep inside the earth -

    2020-5-14  Why coal mines are found deep inside the earth 1 ... ..It is made of small rocks,dead plants, and the fossils of dead animals which are buried deep in the ground.That is why it is found deep in the ground of the earth. I thik it will help you. 3.9 17 votes 17 votes Rate! Rate! Thanks 19.

  • why do coal and petroleum have to be mined from deep ...2020-2-15Why are coal mines deep in the earth?2020-2-8查看更多结果
  • why is coal mine is warm inside - altrevocialtrisuoni.it

    Why are coal mines deep inside the earth - Answers. The first coal mine in the US was in Midlothian VA, near Richmond. Coal was present on the surface- just pick it up. Later mines in that area were about 360 ft deep. If it is cold down a mine shaft, how deep do you have . 2007-7-21 I have worked down many mines

  • why is coal mine is warm inside - Mining

    Coal at a Glance, 2010 Coal – National Energy Education coal mine is close by. Ideally, coal-fired power plants are built near coal mines to minimize transportation costs. with very high temperature inside the Earth. »More detailed

  • Why do coal and petroleum have to be mined from

    Surface deposits visible to the eye are where it started and much of the coal mined these days is still only 1–15 feet of soil and sandstone below the surface, “overburden”, so it’s scraped off and the coal excavated from in a large open pit with ...

  • why are coal mines deep inside the earth

    why are coal mines deep inside the earth Coal - Wikipedia, the free encyclopedia Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock ...

  • why are coal mines deep inside the earth

    why are coal mines deep inside the earth Coal - Wikipedia, the free encyclopedia Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock ...

  • Opportunities and Challenges in Deep Mining: A Brief ...

    Deep mining will become common in the future. Coal mining in Poland, Germany, Britain, Japan, and France had reached deeper than 1000 m as early as the 1980s, and China currently has 47 coal mines more than 1000 m deep , . In the case of metal mines, according to incomplete statistics, there were at least 80 mines more than 1000 m deep prior to ...

  • What life is like working in underground coal mines in

    2019-10-30  In the US, coal mining is a shrinking industry. In 1923, there were about 883,000 coal miners; today there are about 53,000.; Working in coal mines is dangerous — miners have to

  • Pressure and density of air in mines

    2008-12-7  Keywords: Air pressure, Air density, Mines, Mine air PACS No.: 94.10.Dy, 94.10.Fa, 93.30.Bz. 1 Introduction The deepest levels below the Earth’s surface where man has set foot are the depths of the deepest mines. Currently, the deepest mine in the world is the Western Deep gold mine near Johannesburg in South Africa 1. It is over 3,500 m (or ...

  • How Nature Makes Coal, Oil and Gas EARTH 104:

    Gases reaching the Earth’s surface from the underground coal fire at Centralia, PA, USA, which has been burning since 1962. As miners removed coal from deep mines, pillars of the coal were left to hold up the rocks above. The fire has burned these pillars away, allowing collapses that have broken up the Earth’s surface, as shown here.

  • There's a Surprising Amount of Life Deep Inside the

    Scientists with the Deep Carbon Observatory (DCO) are transforming our understanding of life deep inside the Earth, and maybe on other worlds. Their discoveries suggest that abundant life could ...

  • How Does Coal Become a Diamond? Excavating the

    Diamonds are formed deep inside the earth, where the temperature and pressure are very high. They are transported to the surface of the earth by the molten magma. Does Coal Become Diamonds? It is a common fact that natural diamonds are mined from the Earth. Nowadays, we have synthetic diamonds that are made through artificial methods.

  • Nation's Deepest Coal Mine Now Ranks Among

    2001-9-26  Low-sulfur coal, coveted by power plants, exists in abundance beneath green ridges near Brookwood, Alabama, but miners must take longest elevator ride in

  • In the mines: Where death is a weekly affair India

    One of the reasons why the Coal Mines (Nationalisation) Act was enacted in 1973, taking over private sector mines, was their poor safety records. Yet, work at public sector mines remains highly dangerous. The Directorate General of Mines Safety figures suggest fatality rate of 0.21 in India, down from 0.36 about five years ago.

  • Why is the air temperature very hot in deep mines?

    2010-8-25  The core of the Earth is around 6000 degrees celcius, about halfway to the core is about 3000, and so on. It should make sense then, that when you go very deep within the crust, where deep mines are located, it gets hotter. The gradient is something like 25 or 30 degrees celcius per kilometer you go within the Earth. Hope this was helpful.

  • why are coal mines deep inside the earth

    Home»Our Products»why is coal mine is warm inside. Applications Why Do Coal Mines Explode Diamonds are formed deep inside the earth . Chat Online; Coal mining - encyclopedia article - Citizendium. Coal mining is a term that encompasses "Strip" mines scrape coal from the earth s occurrences of the coal were very abundant.

  • why are coal mines deep inside the earth

    why are coal mines deep inside the earth Coal - Wikipedia, the free encyclopedia Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock ...

  • What life is like working in underground coal mines in

    2019-10-30  In the US, coal mining is a shrinking industry. In 1923, there were about 883,000 coal miners; today there are about 53,000.; Working in coal mines is dangerous — miners have to

  • There's a Surprising Amount of Life Deep Inside the

    Scientists with the Deep Carbon Observatory (DCO) are transforming our understanding of life deep inside the Earth, and maybe on other worlds. Their discoveries suggest that abundant life could ...

  • How Does Coal Become a Diamond? Excavating the

    Diamonds are formed deep inside the earth, where the temperature and pressure are very high. They are transported to the surface of the earth by the molten magma. Does Coal Become Diamonds? It is a common fact that natural diamonds are mined from the Earth. Nowadays, we have synthetic diamonds that are made through artificial methods.

  • Why do coal and petroleum have to be mined from

    A fossil fuel is natural fuel such as coal or gas, formed in the geological past from the remains of living organisms which have been obtained from the earth or the oceans etc. Now, since the natural gases, coals, coke or petroleum etc. are obtained from natural resources like from mines or oceans so they are called as fossil fuels.

  • CBSE 8, Science, CBSE- Coal and Petroleum, Notes

    2019-4-8  It is found in coal mines deep under the surface of earth. Story of formation : It is believed that millions of years ago, the ground below the forests was split open by natural forces such as earthquakes and volcanoes. The forests got buried under the surface of earth. Thus, the plants had no

  • In the mines: Where death is a weekly affair India

    One of the reasons why the Coal Mines (Nationalisation) Act was enacted in 1973, taking over private sector mines, was their poor safety records. Yet, work at public sector mines remains highly dangerous. The Directorate General of Mines Safety figures suggest fatality rate of 0.21 in India, down from 0.36 about five years ago.

  • Why is the air temperature very hot in deep mines?

    2010-8-25  The core of the Earth is around 6000 degrees celcius, about halfway to the core is about 3000, and so on. It should make sense then, that when you go very deep within the crust, where deep mines are located, it gets hotter. The gradient is something like 25 or 30 degrees celcius per kilometer you go within the Earth. Hope this was helpful.

  • If it is cold down a mine shaft, how deep do you have

    2007-7-21  I have worked down many mines in the UK. The deepest was the Florence coal mine which was 560meters deep from memory. It was very warm and yes most of the of wokers had to disrobe to keep cool. The hottest was Coventry coal mine which was unbearable.

  • why are coal mines deep inside the earth

    Home»Our Products»why is coal mine is warm inside. Applications Why Do Coal Mines Explode Diamonds are formed deep inside the earth . Chat Online; Coal mining - encyclopedia article - Citizendium. Coal mining is a term that encompasses "Strip" mines scrape coal from the earth s occurrences of the coal were very abundant.

  • why are coal mines deep inside the earth

    why are coal mines deep inside the earth Coal - Wikipedia, the free encyclopedia Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock ...

  • Coal National Geographic Society

    Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity.It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel in the United States.

  • Why do coal and petroleum have to be mined from

    A fossil fuel is natural fuel such as coal or gas, formed in the geological past from the remains of living organisms which have been obtained from the earth or the oceans etc. Now, since the natural gases, coals, coke or petroleum etc. are obtained from natural resources like from mines or oceans so they are called as fossil fuels.

  • CBSE 8, Science, CBSE- Coal and Petroleum, Notes

    2019-4-8  It is found in coal mines deep under the surface of earth. Story of formation : It is believed that millions of years ago, the ground below the forests was split open by natural forces such as earthquakes and volcanoes. The forests got buried under the surface of earth. Thus, the plants had no

  • What happens to abandoned mines? HowStuffWorks

    Unfortunately, most mines remain abandoned waste sites. Cleaning up an old mine can be costly. Congressional testimony in 2006 concluded that it would take nearly $72 billion to clean up just the abandoned hardrock mines in the United States [source: Earthworks]. (These are mines that produce heavy minerals like silver, gold, uranium and other metals, located largely in the Western U.S.) Faced ...

  • The Temperature Of The Earth As Shown By Deep Mines

    At a recent meeting of the American Society of Civil Engineers, observations on the temperature of the earth, as shown by deep mines, were presented by Messrs. Hamilton Smith, Jr., and Edward B Dorsey. Mr. Smith said that the temperature of the earth varies very greatly at different localities and in different geological formations.

  • OOPArts Found in Coal and Stone: Is There an

    2020-7-8  According to the World Coal Association, the process responsible for the formation of coal began 360 to 290 million years ago. With this in mind, it would seem absolutely impossible for any human artifacts to be found within this ancient substance; but incredibly, many items have reportedly been found in such deposits, either buried inside the coal itself or found buried deep down within coal ...

  • The real story of US coal: inside the world's biggest ...

    Australia, where Peabody has three mines and which has the world’s second largest reserves of coal, has ramped up production 37% since 2000, helped by up to $3.5bn in government subsidies to the ...

  • why is coal known as the buried sunshine? Need a

    2009-10-10  coal is often addressed as burried sunshine because coal is produced by giant ferns and swamps that got burried deep inside the earth's surface so because coal is minned out from such burried condition that's why it it known as burried sunshine. And coal takes million years to get formed.!!!!!