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Coal is called a fossil fuel because it was formed from the remains of vegetation that grew as long as 400 million years ago. It is often referred to as "buried sunshine," because the plants which formed coal captured energy from ...
http://www.ket.org/Trips/Coal/AGSMM/agsmmhow.html
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What is Coal?; How Was Coal Formed?; What Are the Four Major Categories of Coal?; Where Is Coal Found?; How Plentiful Is Coal?; How Is Coal Mined?; What Is Land Reclamation?; What Is Coal Used For?; Why Is Coal Used to Generate Electricity?; How Is Coal Transported?;
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www.teachcoal.org/aboutcoal/articles/faqs.html
www.teachcoal.org/aboutcoal/articles/faqs.html
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Coal was formed as massive amounts of vegetation died and fell into the swamp-like surfaces that existed in the heavily vegetated Earth of the Carboniferous Period. Huge mats of waterlogged plant material were formed that resisted decay. Ov...
http://wiki.answers.com/Q/How_is_coal_formed
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How is coal formed is by plants and animals that lived and died over millions of years ago and is considered to be a fossil fuel like oil and natural gas. Over this millions of years layer after layer of plants and animals (called peat) con...
http://answers.ask.com/Business/Other/how_is_coal_forme...
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Background Information -- How is coal formed? ... Objective: Students will information about how coal is formed. ... Coal is classified by geologists as a mineral. But most minerals, like salt or iron ore, were formed by inorganic matter. Coal, on the other hand, came from organic matter -- plants that lived about 300...
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www.coaleducation.org/lessons/twe/origin.htm
www.coaleducation.org/lessons/twe/origin.htm
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Coal formed millions of years ago when the earth was covered with huge swampy forests where plants - giant ferns, reeds and mosses - grew. As the plants grew, some died and fell into the swamp waters. New plants grew up to take their places and when these died still more grew.
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www.coaleducation.org/q&a/how_coal_formed.htm
www.coaleducation.org/q&a/how_coal_formed.htm
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Discover the explanation of the formation of coal: how is coal formed? ... However, smaller quantities of coal continued to be formed in certain regionsduring all the subsequent epochs: the Permian Period (290 to 250 million years ago), and the Secondary Period (Mesozoic Era, 250 to 65 million years ago).
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www.planete-energies.com/content/coal/formation.html
www.planete-energies.com/content/coal/formation.html
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What is coal and how is it formed ... Coal formation ... Pages about coal:; Coal is a fossil fuel; Makes of coal; Types / ranks of coal; How coal is formed; CO2 comparison of fuels; What to do with coal ash;
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www.stovesonline.co.uk/how-coal-formed.html
www.stovesonline.co.uk/how-coal-formed.html
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Compaction forces water out of the sediments to form lignite, a soft, brown coal. ... Heat and pressure metamorphose bituminous coal to anthracite, a hard coal that is almost pure carbon...
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www.classzone.com/books/earth_science/terc/content/visu...
www.classzone.com/books/earth_science/terc/content/visualizations/es0701/es0701page01.cfm?chapter_no=07
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