1854] 



Notes on the Topography of Miirree. 



465 



Specimen of sandstone how deposited. — At the point marked 9 in 

 Fig. 2, a very interesting specimen of sandstone occurs, its exposed 

 Fig. 4. face presenting nu- 



merous concentric 

 lines as represented 

 in the margin, show- 

 ing that the rock 

 was originally de- 

 posited in an eddy, 

 but it does not 

 appear that any 

 foreign substance 

 of either animal or 

 vegetable origin 

 exists in the centre so as to have formed a nucleus. 



Continuity of Hills destroyed and how. — On examining the various 

 hills around Murree and carefully noting the outcrop of individual 

 strata on the face of adjoining ones, it becomes evident that their 

 continuity must have been destroyed at a period considerably pos- 

 terior to their solidification, — and that two distinct forces combined to 

 produce this effect is equally clear. In the first place there are deep 

 fissures running irregularly in the rocks, with individual portions 

 more or less elevated than the general line of rock, showing that the 

 layers were shattered and displaced by forces of a subterraneous 

 nature. Then again, we find terraces with intervening cliffs of a 

 few feet or yards in height with boulders of all sizes, showing marks 

 of greater or less attrition in the bottoms and on the sides of the 

 various intervening valleys — thus evincing the effect of water in a 

 state of motion. 



rig. 5. 



3 Q 



