143 MIDDLEM1SS: PHYSICAL GEOLOGY OF SUB HIMALAYA, 



Index to Horizontal Sections. 



y= Recent. 



({= U. Siwalik Conglomerate . 

 r = M. Siwalik sand-rock 

 A=z L. Siwalik Nahan sandstone 

 n — Nummulitic 



n 

 m 



= Tal series 



= Massive Limestone 



% = Purple slate 

 y = Volcanic breccia 

 g = Crystalline schist 



t= Trap. 



Siwalik series 

 Sirmur series 



Mesozoic • 

 Age unknown 



Age unknown 

 Do. 

 Do. 



Sub-Himalay- 

 an System 

 (Tertiary).. 



Younger Hi- 

 malayan 

 Sub-Group 

 (Mesozoic) 



Older Hi- 

 malayan 

 Sub-Group 

 (Paleozoic?) 



( 200 ) 



