Chap. II.] the Himalayan series. 3.9 



determine a short ridge along the strike. There is also a general increase of the siliceous 

 element, and the texture exhibits incipient foliation. The portion of the higher chain, 

 between Muttiani and Narkunda, is made up of these schistose slates, and quartzose rocks ; 

 some bands are complete mica-schist. At several points the graphitic ingredient is -very 

 manifest. The strata have a moderate dip of 20° and under to the north-east and east. 



Along the road between Narkunda and Baghi there is no change 

 Narkunda and Baghi. 



worthy of notice, save the gradual and complete general develop- 

 ment of the foliation. At Baghi the mica-schist still maintains the low easterly dip. The 

 portion of the section last noticed is along the north flank of Hatu. At the summit of this 

 hill, and overlying the rocks of the lower section, we find coarsely porphyritic gneissose schist, 

 in massive beds inclining at 10° east to 30° north. 



The section through Simla, of which I have given an outline, is 



in several respects remarkable. A very critical 

 Simla Section. 



point in the interpretation of it is the identifi- 

 cation of the Krol group at Simla itself, and the chief evidence for this 

 is the band of strata so like the Blini group, and which I believe to 

 represent that group. But for this identification the close connection 

 of the uppermost beds of the unaltered series with the great mass 

 of these rocks, — the infra Blini beds or Simla slates, would, as far 

 as my observations extend, remain very doubtful ; and without this 

 link we should have been still further at a loss for any connection 

 between the Krol rocks and the metamorphic rocks. In this section 

 the connection is less broken than we shall find it elsewhere : at 

 Simla we have the Krol group in an advanced state of metamorphism, 

 and resting on strata which appear gradually to become associated 

 with the highest type of metamorphism, in the porphyritic gneiss of 

 Hatu. What has just been said of the Simla section seems to be 



connected with the comparatively little disturb- 

 Slight disturbance. 



ance it exhibits. This character is marked from 



the very outset. In the region of the Krol we find the uppermost rocks 



much less confused than at any other place I could point to. The line 



of the contortion and faulting along the lower Giri and Ushni is much 



reduced beyond Kundah Ghat ; it seems to vanish through the greater 



general elevation of the rocks to the south-west of it, of which elevation the 



