] 8 MALLET I GEOLOGY OF DARJILING AND WESTERN DUARS. 



then there is a blank, the next rock visible being hard massive sandstone 



with little bedding. After another considerable blank we come to — 



Ft. In. 



Carbonaceous shale* ... ... ... 1 



Sandstone ... ... ... ... 3 



Blank ... ... ... ... 5 



Brown shale ... ... ... ... 6 



Coal ... ... ... ... ... 2 6 



Sandstone ... ... ... ... 1 



Blank ... ... ... ... 4 



Brown shale ... ... ... ... 1 



Coal (dipping W. 30° S. at 70°) ... ... 5 6 



Sandstone ... . ... ... ... 4 



Shale and shaly sandstone ... ... ... 5 



Carbonaceous shale with some coaly layers and sandstone 8 



Blank ... ... ... ... 6 



Carbonaceous shale ... .. ... 4 



Sandstone ... ... ... ... 6 



Coal ... ... ... ... ... 6 



Sandstone •• ... ... ... 8 



Carbonaceous shale ... ... ... 1 6 



Sandstone ... ... ... ... 1 



Coal ... ... ... ... ... 1 



Carbonaceous shale ... ... ... 1 6 



Sandstone ... ... ... ... 10 



Blank ... ... ... ... 15 



Sandstone ... ... ... ... 1 6 



Brown and carbonaceous shales ... ... ... 4 



Sandstone ... ... ... ... 2 



Carbonaceous shale and sandstone ... ... 4 



Sandstone ... ... ... ... 1 



Coal (part of thickness concealed by a large block of sand- 

 stone), seen ... ... ... ... 1 4 



Sandstone ... ... ... ... 2 



Coal ... ... ... ... ... 5 



Blank ... ... ... ... ... 4 



Sandstone with carbonaceous layers (dipping W. 10° 



N. at 70°) ... ... ... ... 7 



* This and the other Damuda sections are given as the strata are met in ascending the 

 streams, and in ascending geological order. 



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