20 & 21. < 







6 



4 



3 



1 



6 



4 



9 



5 







6 







1 







2 







3 







33 







3 







3 







22 







Chap. IV. § 4.] raniganj group. 93 



through, the numbers referring to their equivalents in the preceding 



sections. 



Ft.- in. 

 Surface soil and clay ... ... ... ... ... 8 8 



("Black carbonaceous shale 

 19. ^ Blue shale 



^Carbonaceous shale, with coal ... 

 'Sandstone ... • ... 



Ditto micaceous, with thin wavy seams of coal 

 Gritty sandstone 

 Carbonaceous shale 

 Sandstone, with scales of mica ... 

 Blue shale 

 Sandstone 



22. Blue shale 



23. Coarse sandstone 



24. Carbonaceous shale 

 Sandstone. 



The above will also serve to give some idea of the rocks met with 

 in this portion of the series, amongst the highest of the Damuda beds. 

 No. 18 is a seam formerly worked by Messrs. Jessop and Co., and sub- 

 sequently by Messrs. Gilmore, Homfray and Co., 

 Narrainkuri colliery. 



at Narrainkuri, a village about half a mile South of 



Raniganj. Its quality was inferior, and when, in 1844, the two Com- 

 panies, which worked respectively the mines of Narrainkuri and Rani- 

 ganj, were amalgamated, the former mine was abandoned, and all the 

 available labor transferred to the higher and better seam. A large 

 area near the out-crop has been worked out, the extent being marked 

 upon the ground by the numerous pits. The section of the Narrain- 

 kuri coal seam given by Mr. Williams* is : — 



13. 14. 15. and 16. Gray and brown sandstone 

 "Gray arenaceous shale 

 Coal and carbonaceous shale , 



Gray shale 

 Coal 



Carbonaceous shale 

 [_Coal, inferior 



* Report, page 48. 



17. 







Ft. 



in 





... 



40 











10 







1 



3| 











6 











5 











1 







2 



5* 







