70 



mallet: coal-fields of the naga hills. 



CoaZ in seam 



Coal with carbonaceous shale 



Shale 



Total thickness of seam 



Ft. In. 



1 5 

 6 

 9 



2 8 



Dip^ west-lO'-north at 60°. A couple of hundred yards lower down 

 we have : — 



Grey shale ... ... 



Coal ... ... ... 



Grey shale with 1 or 2 thin layers of coal 



Coal ... ... 



Brownish-grey shale 



Coal 



Carbonaceous shale ... ... 



Grey shale ... ... ... 



Thickness of main coal 



Ft. In. 



Ft. In. 





6 



2 8 







4 6 





2 





1 





9 





1 8 





1 6 



2 8 



Dip, east-10°-south at 50°. Coal soft. 



In the Hil jan, a small stream which joins the Dikhu above Tel 



Neighbourhood of Tel 



Pung", there is a seam visible which has the foUow- 



Pung. West of Dikhu. j^g section : — 



Brownish-grey shale, seen ... ... 



Coal (m) ... ... 



Brownish -grey shale, seen ... ... 



Dip, south at 50°. Coal of medium hardness. 

 A few yards lower down we find :— 



Grey shale, seen 



Carbonaceous shale with layers of coal 



Coal 



Carbonaceous shale ... 



Coal 



Sandstone... 



Coal 



Brown shale 



Coal ... ... 



( 338 ) 



Ft. In. 



Ft. In 





2 



2 11 





2 



Ft. 



In. 



Ft. In 

 3 

 1 4 



2 













4 









6 



8 

 1 

 6 

 3 



