PHYSICAL FEATURES. 



33 



Fig. S- Glacial deposit in the valley of the Dhauli Ganga near Ganes Ganga. 



The entire mass of the Daldakharak consists of palaeozoic rocks, 

 silurian and carboniferous, in which systems I have not met with any 

 rocks of gneissic character in the Himalayas. The nearest point 

 where these gneissic boulders could have come from is in the enor- 

 mous heights overhanging the right banks of the Raika"na river, in 

 fact, the hill groups of the Kamet and M£na. 



Perhaps the most suggestive instance of boulder deposits 1 have 

 Boulders on the Niti observed on the Niti pass itself ; on the very 

 pass - line of water-parting formed by this pass I found 



rolled boulders of carboniferous rocks, chiefly white quartzite, and red 

 crinoid limestone, inclosing fossils. They repose on rhaetic beds, which 

 form the upper part of the entire range. The nearest ground where 

 carboniferous rocks are in situ lies south of the Niti pass chain, and 

 is formed by a range of rugged hills which strike approximately from 



D ■ ( 33 ) 



