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How long ago were fossil fuels formed?

Updated: 8/10/2023
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13y ago

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Fossil fuels (coal, oil and natural gas) began their lives more than 300 million years ago, before the dinosaurs, when trees and other vegetation became covered with silt and debris. The long years of heat and pressure eventually turned them into hydrocarbons.

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11y ago
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16y ago

They began to be formed millions of years ago

See this site for something more useful than that: http://www.solcomhouse.com/fossilfuels.htm

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15y ago

They were mostly alive in the carboniferous period around 350 to 290 million years ago, a time of great land diversity.

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13y ago

long before the dinosaurs even ruled the world.

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13y ago

400 million years

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9y ago

More than 50 million years.

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