Question

please define occurance of coal​

Answer 1

Answer:

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coalseams. ... Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

Answer 2

occurance of coal is founded in bed or seams interstratified with shales, clays,sandstone,or limestone. it is usually under laid by an underclay .

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