212 MIDDLEMISS : GEOLOGY OK HAZARA AND BLACK MOUNTAIN. 



Both the Serh and Janomar hills absorb all the rain which falls 

 on to them, and they are now completely destitute of streams or 

 torrents flowing down the deserted channels. 



Returning now to the main line of horizontal section No. 4, on 

 Section from the Hur- tne southern side of the Hurroh river, we find it 



ShV K'bufhTto the takes us over the summit of the double-peaked 

 Nalan river. sh a h Kabul hill, 4,440 feet. This part of the sec- 



tion corresponds to that across the Maree ridge, and, as was the case 

 there, the Cretaceous band is absent, and the Jurassics have the lime- 

 stone beds developed in their upper layers. The section and map 

 together will sufficiently illustrate the structure of the hill, and it 

 only remains to mention that the peculiar dying out of the Trias 

 bands to the west-south-west is due to the rather sudden extinction 

 of the folded anticlinals in that direction, which sink beneath the 

 Khanpoor plain. Between Dhartyan and the northern spurs of Shah 

 Kabul, the Jurassics give the following section in inverted order : — 



(4) Grey and buff-coloured limestone, thin-bedded . 60 feet. 



(5) Ochre and grey compacted shelly nodular limestone 



in sandy matrix . . . . . . 10 „ 



(6) Brown and reddish Gieumal sandstone . . . 80 „ 



(7) Trias limestone. 



In the above the absence of any of the Spiti shales is noticeable. 



Along the Hurroh river-bed another thin line of Jurassics is of some 

 interest, as in it, near Pina, Hira Lai pointed out to me an exposure of 

 coal in a ferruginous band beneath the Nummulitics. In this section 

 also the Grey limestone beneath the coal passes down into the thin- 

 bedded buff-coloured limestones, equivalents of No. 4 in the section 

 above. 



To the north-east of Shah Kabul hill the three bands of Trias 



Parallel sections to become two, and then proceed regularly towards 



the north-east. the neighbourhood of Hullee, where it will now 



be necessary to give a section. Fig. 32 below is drawn through the 



hill-mass from near the Hurroh R. to Hullee. In it all the beds are 



( 212 ) 



