DAMUDA SERIES. $J9 



25. Sandstone ... ... ... ... 1' 



26. Coaly shale ... ... ... ... 4" 



27. Gritty sandstone ... ... ... ... 2' 3" 



28. Carbonaceous shale ... ... ... 1' 3" 



29. Sandstone ... ... ... ... 3' 



30. Carbonaceous shale ... ... ... 9" 



31. Parting sandstone ... ... ... 2" 



32. Carbonaceous shale ... ... ... 8" 



33. Blue shale, parts carbonaceous ... ... 2' 



34. Sandstones with shaly partings ... ... 5' 



35. Coaly carbonaceous shale ... ... ... 8" 



36. Sandstone ... ... ... ... 8' 0" 



These are the highest beds seen here as they roll over, and a consi- 

 derable portion of the section is repeated again. Higher beds, however, 



come in further on. Close to Panchbyni there are 

 Coal at Panchbyni. 



several seams of coal. Owing to the disturbed con- 

 dition and the varying thicknesses of the carbonaceous shales, the section 

 is somewhat obscure, and it is difficult to trace particular beds across the 

 river. 



On the northern or Sursabad bank, there is the following section. 

 Ascending, strike west-north-west, east-south-east :— 



1. Flaggy blue and grey, more or less carbonaceous shale 



2. Coal, bright layers, Jth of thickness ... ... 2' 6" 



3. "White sandstone ... ... ... 4" 



4. Carbonaceous shale ... ... ... 7" 



5. Coal* ... ... ... ... V 2" 



6. Slaty blue carbonaceous shale ... ^. 9" 



7. Coal, carbonaceous shale ... ... ... 2" 



8. Bluish, decomposed ... ... ... 2' 



9. Sandstone ... ... ... ... 2' 



10. Alluvial bank, about ... ... ... 25' 



* This coal, about the best to he found in the Rajrnehal hills, has the following 

 composition : — 



Carbon ... ... ... ,.. 54-3 



Volatile ... ... ... ... 35'4 



Ash ... ... ... ,.. 10-3 



1000 

 It is equal, therefore, to some of the best qualities of Raniganj coals. 



( 183 ) 



