80 



MALLET : COAL-FIELDS OF THE NAGA HILLS. 



Composition. 



The following assays have been made of 

 Upper Assam coals. 











CD O 



i 









o 



Seam— Locality. 



Character 

 of coal at 

 outcrop. 



a 

 o 



o 



■73 



I3 



'ft 

 









Caking pro- 

 perties. 



Color of 

 Ash. 



d 







M 





Sc 



"m 







fc 







S 



> 





< 









Makum Field. 

















1 



9 feet band, Tirap quarries 



Hard ... 



60-7 



34-8 



2-2 



2-3 



Cakes strongly. 



Bed. 



2 



Seam S. E. of Leap, average 



Ditto ... 



54-2 



34-6 



3-4 



7-8 



Ditto 



Do. 



3 



6 feet band, N. E. of Tilsak; 



Medium 



61-2 



36-2 



* 



26 



Ditto 



Do. 



4 



13 feet band, W. of Tikak 



Ditto ... 



66-1 



33-5 



* 



•4 



Ditto 



Do. 



5 



11 feet 9 incbes band, Eangring ... 



Ditto ... 



65-5 



33-2 



* 



1-3 



Ditto 



Do. 



6 



4 feet seam, Eangrino^ 



Hard ... 



57-0 



37-8 



* 



6-2 



Ditto 



Do. 



7 



106 feet seam, Namdang 

 Jaiptje Field. 



Ditto ... 



58-9 



33-6 



2-0 



5-5 



Ditto 



Greyish 

 white. 



8 



8 feet seam, Tipam 



Soft ... 



52-8 



31-8 



7-2 



8-2 



Does not cake 



Red. 



9 



6 feet 11 inches seam, Tipam 



Ditto ... 



47-5 



36-2 



5-6 



10-7 



Ditto 



Reddish. 



10 



2 feet 6 inches band, S. banls of Di- 

 hinsr. 



Ditto ... 



56-2 



35-4 



6-2 



2-2 



Cakes very 

 slightly. 



Red. 



11 



9 feet seam, Hukanjuri path 



Ditto ... 



57-4 



33-4 



5-2 



4-0 



Ditto 



Do. 



12 



2nd (5 feet) seam, Disang River ... 



Ditto ... 



55-8 



33-3 



8-5 



2'4 



Does not cake 



Do. 



13 



5 feet 3 inches band, 3rd seam, ditto 



Hard ... 



55-4 



38-3 



4-1 



2-2 



Cakes 



Do. 



14 



4th (13 feet) seam, ditto 



Soft ... 



58-4 



35-3 



5-2 



1-2 



Cakes slightly 



Do. 



15 



5th (5 feet 9 inches) seam, ditto ... 

 Na'ziea Field. 



Ditto ... 



56-4 



34-3 



6-4 



3-9 



Does not cake 



Light- 

 red. 



16 



5 feet seam, Saffrai River 



Hard ... 



56-1 



33-9 



6'8 



3'2 



Cakes 



Red. 



17 



Coal from Mr. Bruce's heap 



Ditto ... 



56-9 



32-0 



10-4 



■7 



Does not cake 



Reddish 



white. 



18 



6 feet 4 inches seam, Tiru nadi 



Ditto ... 



56-8 



33-4 



7-8 



2-0 



Ditto 



White. 



19 



6 feet 5 inches seam, Bor jan 



Soft ... 



54-0 



37-6 



4-4 



4-0 



Ditto 



Reddish 

 white. 



20 



7 feet seam, Bor jan 



Medium 



51-5 



403 



3-4 



4-8 



Cakes very 



slightly. 

 Cakes strongly 





21 



7 feet 6 inches seam, Wakang jan ... 



Hard ... 



58-0 



37-0 



2-8 



2-2 



Red. 



22 



12 feet 9 inches band, 29 feet seam, 

 Wakang Jan. 



Medium 



59-2 



34-3 



4'1 



2-4 



Ditto 



Uo. 



23 



12 feet 4 inches band, 29 feet seam, 

 Wakang jan. 



Hard ... 



58-2 



34-4 



4-4 



3'0 



Ditto 



Do. 



24 



4 feet seam, Tel Pung, outcrop A 



Ditto ... 



61-6 



31-2 



4-0 



3-2 



Ditto 



Do. 



25 



4 feet seam, Tel Pung, outcrop B ... 



Ditto ... 



64-9 



30-2 



4-2 



•7 



Ditto 



Do. 



26 



4 feet seam, Namlen jan 

 Ja'nji Field. 



Medium 



58-7 



30-9 



8-5 



1-9 



Does not cake 



Do. 



^27 



2 feet band, 3 feet seam, Janji River 

 DiSAi Field. 



Hard ... 



52-9 



33-8 



6-8 



6-5 



Does not cake 



Red. 



28 



4 feet seam, Disai Valley 



Soft ... 



54-9 



36-9 



3-4 



4-8 



Cakes slightly 



Red. 



* These four coals were assayed after the expulsion of moisture. 



( 348 ) 



