172 WYNNE: GEOLOGY OP THE SALT EA.WGE IN THE PUNJAB, 



Peetv 

 Group No. 8. Red " salt-crystal zone," flaggy and shaly layere ... 40 



„ 'No. 4. Light-coloured semi-calcareous sandstones of magnesian 



sandstone series • ... ... ... .. 200 



„ No. 3. Dark micaceous shaly band, part flaggy ... 100 to ISO 



„ No. 2. Purple sandstones, flaggy, earthy and shaly below 200 to 300 



,i No. 1. Purple and red gypseous marl — seen ... ... 150 



Further to the westward the succession is different; the "olive 

 group/' so strong in the neighbourhood of Choya-Saidan, is still present, 

 but much thinner, and the " salt-crystal zone " disappeai-s, giving place 

 to another rock-group. The magnesian sandstone is no longer of uniform 

 character, but becomes, as it were, blended with the silurian zone, by the 

 presence of other dark shaly bands, which render the distinctive character 

 of the sandstone group less apparent. 



The purple sandstone and the underlying salt-marl retain their 

 characters unaltered. Sandstones and shales of the magnesian and 

 Silurian groups, however, continue to the westward ; the latter extending 

 beyond the former, and^ in the absence of the stronger sandstones, pre- 

 senting still the character of the lower group (silurian). 



The new zone. No. 5, increases in thickness rapidly to the west, the 

 salt-pseudomorph zone is not met with again, but the " olive group,'' 

 much diminished in thickness and somewhat altered in appearance, holds 

 on westward, maintaining its place just beneath the nummulitic rocks. 



Around the glen of Makrach the cliff-sections exhibit some local 



,, , , differences, most marked along- the southern edge 



Makrach glen, ' . 



of the Kahiin plateau. One of these sections has 



just been given, and the following will serve to show their variation in 



the vicinity : — 



Groups. Feet. 



■^ -.-. ("Nummulitic limestone, compact above, marly and nodular below ... 200 



I (Talus and debris, concealing 50 feet and upwards) ... 



i Yellow nodular marls, no nummidites, some corals 

 Green glauconitic sandstones, with a few pebbles of crystalline' 

 rocks, hajmatitic below: contain TerebratulcB ... 5 to 10 i 

 Nodular pseudo-conglomeratic bands ; calcareous, friable, light- > 60 

 coloured, flaggy, striped, micaceous sandstones, with black I 

 shaly partings ... ... 50y 



( 172 ) 



75? 



