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Hydrogeology of Indian Coalfields

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<strong>Hydrogeology</strong> <strong>of</strong> <strong>Indian</strong> <strong>Coalfields</strong><br />

Occurrence <strong>of</strong> Ground water<br />

1. Hard rock/consolidated formations<br />

a) Volcanic rocks<br />

b) Carbonate rocks<br />

c) Non-carbonate non-volcanic crystalline rocks or Hard rock<br />

2. Porous rock formations.<br />

a) Unconsolidated formation and<br />

b) Semi-consolidated formation.

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