WYNNE : GEOLOGY OF THE SALT RANGE IN THE PUNJAB. 



This new group, which first appears in the Nilawan, is the carboniferous 

 Carboniferous in Nila- formation, occupying such an important and large 

 wan ravme. place in the geological series to the westward. The 



section at this place is as follows, chiefly from Dr. Waagen's notes :— 



Ft. Ft. 



Groups. Average. 



( Nummulitic limestone of the plateau, forming a compact ') 



limestone; clifi ... ... ... •■• 200 



Thin-bedded grey nodular limestone ... ... 50 



Talus, black coaly sbales and coal layers ... .. 50—60 



Ho. 11 A Brown marls with hard concretions, and — Nummulites ... 20 )■ 372 



Hard grey limestone, well bedded ... ... 10 — 15 



Grey nodular marls with irregular hard layers 

 Section obscure for 20 feet, blocks of limestone with 

 i^ TerebratulcR ^Q2ix\j in situ ... ... ... 



f Dark-green thick sandstone with granules of phosphate 

 of iron, many specimens of lai'ge Nautili, long slen- 

 der spines of Cidaris, small bivalves and gigantic 

 No. 10. -! CoMMS, a foot high (probably cretaceous) 

 I Pisolitic haematite ... 



I Coaly shales, very irregular, with some appearance of 

 L discordance to beds below ... ... ... 



f Coarse sandstone, light yellowish grey, with Froductus 

 j spwosMs, bivalves and corals .. . 

 No. 6. -{ Coaly, sandy shale ... 



j Light greenish sandstone with coaly laminae, one bed of 

 (_ this sandstone is 20 feet thick 



''Lavender clay 

 Greenish and blackish shales, many indurated marl beds, 



containing a yellow mineral (? an ore of lead) 

 Lavender clay and thick white and yellowish sandstone. 

 No. 5. "I interstratified ... ... ••- 



Red sandstone 



Lavender clay, dark-coloured ... 



Eed sandstone with many alternations of red and purple 

 shale 



15 

 20 j 



15 

 6 



1 27 



6 J 



10 ! 



10 j- 



50 J 

 6 1 



60 



70 



100 

 30 

 10 



'. 286 



80 J 



f Soft green sandstones with pebbles of crystalline rocks -i g^ 



Nos. 3, 4. I p^j.3^ g^^ly ^^^^ ... ... ... ...J 



75 



t Purple sandstones (200 feet, seen) 

 ' X Purple shaly lower portion ,., 

 No, 1. Red gypseous salt marl. 



( 190 ) 



70 } ^^^ 



