Coal – What Is Coal and How Does It Form?

What is coal?   A natural dark brown to black graphitelike material,  an organic sedimentary rock formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds: coal is a fossil fuel formed from plants that were buried millions of years ago. The high-temperature, high-pressure conditions transformed the plants physically and chemically, forming coal.

Whith the links you can access at more information and also know more about the techniques of coal mining.





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