Q. Which of the following are the major Gondwana coal formations in India?
Raniganj Formation
Karharbari Formation
Barkar Formation
Choose the correct answer using the codes given below: Answer:
1, 2 & 3
Notes:
The nationalisation of the coking coal mines and non-coking coal mines took placein 1971-1972 and in 1973 respectively.
Coal Mines (Nationalization) Act, 1973was enacted to nationalise all the coal mines in India. It was repealed in 2018.
The 2015 legislation (Coal Mines (Special provisions) Act, 2015) allowed re-entry of private players into the sector. It enabled auctioning of coal mines.
India has the 5th largest coal reserves in the world.
Most of the coal deposits in India is of the bituminous type. These are mostly non-coking coal.
Most of the coal deposits in India is of the Gondwana type(about 99%). This coal formed 600 to 300 million years ago in the Carboniferous period.
Geologically, there are 3 major Gondwana coal formations in India: Raniganj Formation, Karharbari Formation(oldest coal formation in the country), and Barkar Formation
More than 98% of the deposits are in Jharkhand, Odisha, Chhattisgarh, West Bengal, Madhya Pradesh, Telangana and Maharashtra. Jharkhand and Odisha hold the largest reserves in the country.