Coal Inventory Summary
Inventory of Geological Resources of Indian Coal as on 1st April 2012.
The inventory of Geological Resources of Indian Coal (as on 1.4.2012), prepared by the Geological Survey of India on the basis of resources estimated by CMPDI, MECL, GSI, SCCL, DGM(Maharashtra), DGM (Chhattisgarh) and the some Private Entrepreneurs is enclosed for kind information. The highlights of the inventory are:
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A total of 2,93,497 Million Tonnes of geological resources of coal have so far been estimated in India, upto the maximum depth of 1200 metre. Out of the total resources, the Gondwana coalfields account for 2,92,005 Mt (99.5%), while the Tertiary coalfields of Himalayan region contribute 1493 Mt (0.5%) of coal resources. The type-wise and category-wise break-up is given below:
Type of Coal |
Proved
(Mt) |
Indicated
(Mt) |
Inferred
(Mt) |
Total
(Mt) |
%
Share |
Prime Coking |
4614.35 |
698.71 |
0.00 |
5313.06 |
1.81% |
Medium Coking |
12836.84 |
11951.47 |
1880.23 |
26668.54 |
9.09% |
Semi Coking |
482.16 |
1003.29 |
221.68 |
1707.13 |
0.58% |
Sub-totalof Coking: |
17933.35 |
13653.47 |
2101.91 |
33688.73 |
11.48% |
Non-coking |
99617.65 |
128416.04 |
30282.09 |
258315.78 |
88.01% |
Tertiary coal |
593.81 |
99.34 |
799.49 |
1492.64 |
0.51% |
Total All Types: |
118144.81 |
142168.85 |
33183.49 |
293497.15 |
100.00% |
% Share |
40.25% |
48.44% |
11.31% |
100.00% |
|
- The depth-wise and category-wise break-up of Indian coal resources is as follows:
Depth Range
(in metre) |
Proved
(Mt) |
Indicated
(Mt) |
Inferred
(Mt) |
Total
(Mt) |
%
Share |
0-300 |
92251.33 |
70830.45 |
10760.74 |
173842.52 |
59.23% |
300-600 |
10422.74 |
57244.92 |
16255.52 |
83923.18 |
28.59% |
0-600(For Jharia only) |
13710.33 |
502.09 |
0.00 |
14212.42 |
4.84% |
600-1200 |
1760.42 |
13591.39 |
6167.22 |
21519.03 |
7.33% |
Total |
118144.82 |
142168.85 |
33183.48 |
293497.15 |
100.00% |
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The estimation of total resources of coal, as on 01.04.12, has increased by 7,635 Mt as compared to 01.04.11 whereas ‘Proved Reserves’ has increased by 4,143 Mt, as shown in table below:
Inventory as on |
Proved
(Mt) |
Indicated
(Mt) |
Inferred
(Mt) |
Total
(Mt) |
01.04.2012 |
118144.82 |
142168.85 |
33183.48 |
293497.15 |
01.04.2011 |
114001.60 |
137471.10 |
34389.51 |
285862.21 |
Difference: |
4143.22 |
4697.75 |
-1206.03 |
7634.94 |
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The increase in ‘Proved Reserves’ in Inventory of 01.04.12 is mainly due to proving of coal resources in Talcher (914 Mt), Korba (670Mt.), Singrauli (455 Mt), Ib Valley (418 Mt), Mand Raigarh (301 Mt), Bishrampur(137 Mt.) and Godavari Valley (270Mt) coalfields.