86 WYNNE : TRANS-INDUS SALT REGION, KOHAT DISTRICT. 



The portion of the Teeree (Tin) valley overlooked by the hills 

 Detrital deposits in late1 ^ described is open, bnt not level ; most of the 

 Teeree (Tiri) valley. streams expose the tertiary sandstones, and the 



ground between often presents a considerable amount of shingle, gravel, 

 clay, and such superficial accumulations arranged in the form of terraced 

 hills, somewhat after the manner of the ' Karewah' of Kashmere, but 

 not of equal extent. 



One broad group of hills occupying most of the valley from two 

 , T , , . , i , n to four miles east of the town of Teeree (Tiri) is 



Nearly horizontal beds v ' 



^ valley. • instructive, showing how much less disturbed the 



rocks are in the centres of the synclinal valleys of the country. 



The sandstone and clay beds of these hills are in places nearly horizontal, 



or slightly inclined from the middle of the ridges on either side to a 



common axis near the middle of the valley, and as is common in such 



beds so placed they present strongly marked escarpments on the crop 



side. 



The hills culminating in Kole Sir present a very complicated struc- 

 _ , 0/ .. , , ture, sharp anticlinal and synclinal folds ha vino* 



Kole Sir : complicated ' r J & 



ground. A salt locality, suffered much disturbance and dislocation, in con- 

 sequence of which there are numerous exposures of gypsum, the green 

 clays associated with it, the red clay above it, and the nummulitic lime- 

 stone overlying this, while the tertiary sandstones, &c, are found at 

 different elevations around. Here also south-eastward of the summit 

 where the largest exposure of the gypsum occurs is the rock-salt locality 

 of Solthorbagar, described in the appendix. 



Along the southern slopes of the hills the limestone appears to have 



slipped from its place sometimes en masse, and some- 

 Slippage of limestone, 



times to owe its position to faulting. The sand- 

 stones of the valley, often of a hard texture and ash-gray colour, asso- 

 ciated as usual with purple clays, appear close to the bases of the hills 

 and for a short distance up their slopes. As usual also their dip 

 ( 190 ) 



