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Todays coal was formed millions of years ago. Sum of the earliest coal deposits formed only about 1 million years ago whereas the old deposits are from 300 million years ago.

Coal is formed where plant life has died and then eventually sink to the bottom of swampy areas or the water level has risen and covered the dead plant life. Over time as the amount of dead plant life accumulates at the bottom of the swampy area it turns into a dense soggy material known as peat then as the land changed and the pressure upon the peat built due to deeper burial, sandstone and sedimentary rocks that may have formed due to the changing land, the water in the peat is squeezed out and when heat is added from the earths core, the peat is turned into coal.

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Gonzalo Abernathy

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2y ago
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3mo ago

Coal deposits form from the remains of plants and trees that were buried under layers of sediment millions of years ago. Over time, the intense heat and pressure from the Earth's crust turned these organic materials into coal. The process of coal formation is known as coalification.

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Q: How did earths coal deposits form?
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Related questions

How were coal deposits formed in western Canada during mesozoic era?

Layers of sediments compressed the layers of vegetation to form the coal deposits.


How do deposits of minerals form deep inside the earths crust?

by heat and pressure


When did the coal deposits of the eastern united States begin to form?

commmpical bias


Is there a sentence using the word 'eon'?

Fossils, coal deposits, petroleum deposits, all of them took immense eons to form.


What best describes how coal deposits form?

Coal deposits form from the remains of ancient plants that were buried and subjected to high pressure and heat over millions of years. This process transforms the organic material into various types of coal based on the degree of heat and pressure applied. Coal deposits are typically found in areas with abundant plant growth and are a non-renewable source of energy.


What are coal deposits called?

Coal deposits are commonly referred to as coal seams or coal beds. These are layers of coal that are found buried beneath the Earth's surface.


What country in Africa has the largest coal deposits?

South Africa has the largest coal deposits in Africa.


What are coal deposits?

Coal deposits are layers of sedimentary rock containing coal, formed from the accumulation of buried plant material over millions of years. These deposits are mined for coal, which is a fossil fuel used for electricity generation and heating. Coal deposits can vary in thickness, quality, and location around the world.


How long has coal been in the earth?

Coal has been forming in the Earth for millions of years, with some coal deposits dating back to over 300 million years. The process of coal formation involves the accumulation of plant material in swampy environments, which over time gets buried and compressed to form coal deposits.


When did coal beds form?

Coal beds formed during the Carboniferous Period, approximately 300 to 360 million years ago. This period was characterized by extensive forests being buried and compressed over time, eventually transforming into coal deposits.


Which state in the southwest has the most coal deposits?

Wyoming has the most coal deposits in the southwest region of the United States. It is the top coal-producing state in the country due to its extensive coal reserves and mining operations.


What are the advantages for countries to have deposits of coal or oil?

the countries that have deposits of coal and oil have the advantage to have coal to heat up homes, give a warming fire etc, and for countries that have oil deposits can have more petrol, cooking oil :), oil for lamps etc.