TEMPORAL AND SPATIAL DISTRIBUTION OF COAL IN

INDIASOUMYARANJAN SAHOO

TEMPORAL DISTRIBUTION

1. Gondwana coal2. Tertiary coal(15-60my)

Most of coals are from karaharbari,Barakar,&Raniganj formations.

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).

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.

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)

STATE COAL FIELDSWest Bengal Raniganj,BankuraBihar Jharia,Giridih,Bokaro,Daltonganj,Karanpur,Ramg

arh

Odisha Talchir,Rampur-Hingir(Sambalpur District)

Andhra Pradesh Singareni,Kamavaram

M.P Umaria,Singrauli,Korba,Chirmiri,Sohagpur,Bisrampur,Mohapani

Maharastra Kota,Chikiyala,Rajur,BandarGujurat Ghunkeri

IMPORTANT COAL FIELDS OF GONDWANA

LowerGondwana

Lower & upperGondwana

UpperGondwana

IMPORTANT COAL FIELDS OF TERTIARYSTATE 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

(website of GSI)

JHARKHAND COAL FIELDS

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

(http://easterncoal.gov.in)

STATUS OF INDIA

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