124 RANIGANJ COAL FIELD. [ChAP. IV. § 4. 



and dipping at a low angle to South 20° "West, occurs just West of the 

 Salma dyke. 



Only one other out-crop of coal has been noticed in this part of the 

 country. It occurs just South-east of Kalikapur. The thickness is 

 not seen. It dips to North 30° West. 



Before concluding this account of the beds of the Raniganj series, a 

 few words upon the representation in one part of the field by beds in 

 other places are necessary. 



It has already been remarked in the earlier portion of this Report, 

 that the greater flatness of the beds on the East of the field causes 

 them to cover a much wider space on their out-crop than further 

 West. The base of the Raniganj series is shown throughout on 

 the map, but the general imperfection of sections, and the want, 

 except in the one instance of the ironstone run near Chinakuri and 

 South of the Damuda, of well marked beds, whose out-crop can be 

 traced, renders it very difficult to ascertain how far the higher beds 

 represent each other, especially as faults of large dimensions, running 

 from North to South, confuse and disturb the beds. 



An excellent instance of this difficulty has already been given in the 

 comparison instituted between the beds around Raniganj and Man- 

 galpur. It is evident that no connected out-crops can be traced in a 

 country, the dislocations of which are so little known. No attempt 

 has therefore been made on the map to show distinct lines of out-crop 

 beyond the points where such are known to occur. Far more exten- 

 sive workings must take place upon the coal before any such map, 

 showing clearly the relations to each other of all the different seams, 

 and the effects upon each and all of the faults of the district, can pos- 

 sibly be made. 



Although to the West mines are so few as scarcely to afford any 

 assistance, still the dip of the rocks being steady, and, on the whole, 

 considerably higher, and there being less thickness of alluvium, the 



