56 



MALLET : COAL-FIELDS OF THE NAGA HILLS. 



Boruarcliali. 



In a nalla south of Boruarchali the following 

 outcrops are visible : — 



1.5^. — Coal, seen ... 



Carbonaceous shale 

 Coal 



Coal visible in seam 

 Carbonaceous sbale 



Ft. 



[n. 



1 



6 



1 



2 



3 



2 



4 



8 



1 



2 



Total visible thickness of seam 



Dip, east-35°-south at 30° : coal soft. 



2mc?. — Coal, dipping east 40° S, at 50° 

 3rd.— Coal 



Mh.—Coal (soft), dipping E. 40° S. at 60° 

 5th. — Coal 



5 10 



Ft. In. 



2 



1 



4 6 



8 



This coal, to which my attention was directed by Mr. S. E. Peal, 

 of Sapakati, occurs on the northern side of the 

 outlying ridge known as ' Gajua Ting.' In one 

 of the nallas at the base the following section was exposed : — 



Gajua Ting. 



Grey shale, seen 



Coal 



Sandstone 



Blank 



Coal 



Brown shale ... 



Coal 



Grey shale, seen 



Coal visible in seam 

 Shale 



Total visible thickness of seam 



Ft. In. 



Ft. In. 



.. 



1 3 



... ..< 



10 





1 6 



• •• 



3 6 



2 8 





6 





3 5 







1 



6 1 





6 





6 7 



Dip, south-10°-east at 80° : coal of medium hardness. Besides the 

 above, two or three thinner seams were exposed. 

 ( 324. ) 



