how is coal formed wikipedia

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Coal and petroleum were formed from theremains of dead animals and plants that underwent different biological and geological processes. Coal is the remnants of trees,ferns and other plants that lived several million years ago. Earthquakes or volcanic eruptions have crushed these.

People also ask


  • Where does coal come from?

  • Peat, and therefore coal, is formed from the remains of plants which lived millions of years ago in tropical wetlands, such as those of the late Carboniferous period (the Pennsylvanian).

  • How long does it take to form coal?

  • The formation of coal takes millions of years, which is why it is an exhaustible and non-renewable natural resource. It was formed around 300 million years ago when the earth was covered with swampy forests. When plants in these forests- mainly trees, mosses, ferns, and reeds died, they fell into the swamps.

  • What type of rock is coal?

  • It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top. Peat, and therefore coal, is formed from the remains of plants which lived millions of years ago in tropical wetlands ( coal swamps ), such as those of the late Carboniferous period (the Pennsylvanian ).

  • What environments or conditions under which these coals were formed?

  • The environments or conditions under which these coals were formed: anthracite coal, bituminous coal, lignite? 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.

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