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Coal is formed from plant material that is subjected to high pressure and heat over millions of years. This process typically involves the burial of plant matter in sedimentary rocks and the removal of oxygen through decomposition, resulting in the formation of coal.

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Q: What material was squeezed over millions of years to form coal?
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What was coal millions of years ago?

Millions of years ago, coal was plant material that accumulated in swamps and peat bogs. Over time, the plant material was buried under layers of sediment and subjected to heat and pressure, transforming it into coal.


Is coal a form of rock?

Yes, coal is a sedimentary rock formed from plant material that has been compressed and heated over millions of years.


Coal is formed by the compression of?

Coal is formed by the compression of dead plant material over millions of years. This organic material undergoes chemical and physical changes due to pressure and heat, transforming it into coal.


What kind of mineral is coal?

Condensed plant material smushed into a rock like thing from millions of years ago


How was coal formed over millions of years?

Coal is formed from the remains of plants that accumulated in swamps and peat bogs millions of years ago. Over time, the plant material was buried by layers of sediment, which exerted pressure and heat on the organic matter. This process, known as coalification, transformed the plant material into coal.


What is the layer of coal between rocks called?

The layer of coal between rocks is called a coal seam or coal bed. This layer forms over millions of years from compressed plant material.


Time for coal to be made?

Millions and millions of years.


Is coal a sediment?

Yes, coal is a sedimentary rock formed from the accumulation and compaction of plant material over millions of years.


How did the coal form?

Coal is formed plantlife buried in earth. Millions years ago carbon- based fossil fuel remains of vegetation that grew as long ago as 400 million years. When trees die in swarmy areas, accumulating layers upon layers, soggy dense material called peat. Sedimentary rocks were formed, pressure caused by the weight squeezed water from the peat. Increasing deeper burial and the heat associated with it gradually changed the material into coal.


How long does it to make coal?

it takes sevaral thousandes of yearsor more


What does the sun do to coal?

The sun does not have a direct effect on coal. Coal is formed from ancient plant material that underwent millions of years of geological processes like heat and pressure to become a fossil fuel.


Is coal a clastic rock?

No, coal is not a clastic rock. It is a sedimentary rock that forms from the accumulation and alteration of plant material over millions of years.