coal distribution of major states and major coal fields in India,different charrecteristics of Gondwana and Tertiary coals in India

1. TEMPORAL AND SPATIAL
DISTRIBUTION OF COAL IN INDIA
SOUMYARANJAN SAHOO

2. TEMPORAL DISTRIBUTION
1. Gondwana coal
2. Tertiary coal(15-60my)
Most of coals are from
karaharbari,Barakar,&Raniganj
formations.

3. CHARECTERISTICS OF GONDWANA COAL
1. In India about 98% of coal produced from Gondwana coal fields &
coal seams are associated with sandstones.
2. Most of the Gondwana coals are of bituminous type.
3. Mostly black in colour &carbon is more than 70%.
4. In India 80 out of 113 coal fields are of Gondwana coal.
5. Almost free from moisture and contains small amount of sulphur.
6. Volatile and ash content is about 13-30%.
7. Most of them are noncoking(except jharia,bokaro,giridh).

4. CHARECTERISTICS OF TERTIARY COAL
1. In India about only 2% of coal are produced from tertiary coal fields
& these are of lignite type.
2. Very low carbon(30-50%) & brown in colour.
3. High sulphur contain & very less amount of gold.
4. Coal seams of NE are highly folded hence difficult to mine.
5. Coal seams are associated with limestone & slates.
6. 90% of the tertiary coal are in Ney valley.

5. SPATIAL DISTRIBUTION OF COAL
Distribution of Gondwana coal.
Gondwana coals in India are found in river valleys.
1.Damodar valley(West bengle and Bihar)
2.Son-Mahanadi valley(M.P &Odisha)
3.Wardha-Godavari valley(A.P &Maharastra)

6. STATE COAL FIELDS
West Bengal Raniganj,Bankura
Bihar Jharia,Giridih,Bokaro,Daltonganj,Karanpur,Ramga
rh
Odisha Talchir,Rampur-Hingir(Sambalpur District)
Andhra Pradesh Singareni,Kamavaram
M.P Umaria,Singrauli,Korba,Chirmiri,Sohagpur,
Bisrampur,Mohapani
Maharastra Kota,Chikiyala,Rajur,Bandar
Gujurat Ghunkeri
IMPORTANT COAL FIELDS OF GONDWANA
Lower
Gondwana
Lower & upper
Gondwana
Upper
Gondwana

7. IMPORTANT COAL FIELDS OF TERTIARY
STATE COAL FIELDS
Assam Umasor,Charogaon,Jarain,
karaibari,Tura,Sogring
Jammu & Kashmir Ladda,Kalkoth,Methkha
Rajasthan Palana(in Bikanir)
Tamil Nadu Neyvalley,Cuddalore
Kerala Varkala,Quilon
Gujurat Umarsar(in kutch)
Khasi & jaintia hills
Garo hills

8. (website of GSI)

9. JHARKHAND COAL FIELDS
• An E-W belt along 240 latitude.
• 21 major coal fields found in Jharkhand.
• Jharia is the largest coal field.

10. (http://easterncoal.gov.in)

11. STATUS OF INDIA

12. THANK YOU