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COAL.
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73
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The average of thirty-one* assays of samples from different mines gave the following results :—
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The cost of steam coal at the pit's mouth is from 2-1/2 to 3 rupees, say 5 to 6 shillings. In Calcutta the same coal costs 14 to 16 shillings, and in Lahore about ,£5.
VI. Jeriah. t
The
Jeriah coal field is situated in the valley of the Damuda river,
sixteen miles west of the Ranigunj field. Its area is about 200 square
miles.
The following groups only occur, the highest groups of the Ranigunj field being unrepresented :—
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The
thickness and quality of the seams vary a good deal, but there is no
doubt whatever that this field contains a vast quantity of valuable
fuel. One seam has a maximum thickness of 60 feet. The estimated
available coal in this area is 465 millions of tons.
* Vide "Records Geological Survey of India," vol. i. p. 155. + Hughes, "Memoirs Geol. Survey of India," vol. v."Manual," p. 185.
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