Indian coal reserves: Classification of coal and where it is found in the country


Indian coal reserves: Classification of coal and where it is found in the country

Coal is the main source of energy in India as it fulfils almost 67 per cent of the total commercial energy consumed in the country. This fossil fuel is found in the form of sedimentary rocks and is often known as ‘Black Gold’.

It is originated from organic matter wood. When large tracts of forests are buried under sediments, wood is burnt and decomposed due to heat from below and pressure from above. The phenomenon makes coal but takes centuries to complete.

CLASSIFICATION OF COAL

Coal can be classified on the basis of (1) carbon content, and on the basis of (2) time period.
Types of coal on the basis of carbon content

Anthracite is the best quality of coal which carries 80 to 95 per cent carbon content. It ignites slowly with a blue flame.  It has the highest calorific value. It is found only in Jammu & Kashmir in small quantity. Read More

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