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



stratification, but accompanied along its upper side by a fair representa- 

 tive of the red clay zone. To the southward, too, towards Turkhakooa, 

 the gypsum sprawls over the ground with a large surface exposure from 

 which little can be learned. The sandstones intervening between the two 

 exposures are evidently low in the series and contain much red clay. 



The rock-salt shown in the above section is not exposed at Turkha- 



Rock-salt of Nurree kooa ( Turk akua), Dut ° ccurs t( > the eastward 

 (Nurrf). within three miles. At Nurree a good deal of it 



is seen forming the core of the high gypsum hill (south of the village), 

 which is deeply penetrated by great crater-like hollows, the rain water 

 collecting in which must find a subterranean outlet through the salt. 

 The latter is whiter and cleaner than that at Bahadur Khel or Kurruk, 

 and is thought to be some of the best salt in the country. Its strati- 

 fication is not eveiywhere evident, but seems to correspond with the 

 half anticlinal in which it occurs, and its thickness is apparently great, 

 there being almost continuous exposures of 200 feet in the sides of the 

 crater-like hollows, for a long distance beneath which the salt may be 

 fairly supposed to extend. 



From the salt mines hill at Nurree (Nurri) looking over the valley 

 _ J L . .. „ or plain to the north, in which the watershed 



Contortion north of r 



Nurree salt quarries. between the Teeree river and Bahadur Khe'l 



streams lies, one of the finest examples of contortion on a large scale in 

 the whole district may be seen, the tertiary sandstone series forming a 

 wide synclinal curve, extending from the foot of the hill to the Bannu 

 road near Totukhi. Within this harder ridges of the sandstone are 

 seen successively coming round by Inzurruppa towards the Speena hills, 

 and turning back by Nurree forming a great horse-shoe bend open to 

 the west. The character of the lower beds in the Nurree (Nurrf) 

 tributary of the Teeree Towey (Tiri Taui), their dark red and purple 

 colour, is distinct, while higher up in the series westward towards 

 Bagho the prevalence of drab color among the clays can be seen even 

 at this distance. The axis of the curve runs about 25° south of west. 

 ( 272 ) 



