SON PLATEAU. 215 



but the sbaly zone No. 3 is very inconsiderable. The upper part of the 

 carboniferous limestones are sandy^ containing nunabers of Producti, 

 and there are fully 80 feet of sandy, calcareous, rusty and earthy beds 

 overlying these and beneath the shaly base o£ the nummulitic series. 

 A cliff of the carboniferous limestone measures 230 feet, although it 

 includes only a part of the group, which may be altogether over 500 feet 

 in thickness. The speckled sandstones are some 350 feet thick, and the 

 purple sandstone group below, 300. The greenish shaly band between 

 these two is scarcely 20 feet in thickness. 



The salt-marl is seen at the foot of the hills, its relations being 

 much confused by slipping of the next overlying beds ; and in one deep 

 ravine or i'uss to the east of the Sakesar road it contains the hard 

 dolomitic layers found with the gypsum at Khewra, and here studded 

 with nests of iron pyrites. 



On the ascent from the plains to Katwahi the " red marl/^ " purple 



sandstone," " speckled sandstone," carboniferous 

 Kund Ghat. tj.- i ,, 



limestone, and nummulitic rocks are all seen. 



Land-slips have occurred, consequently some groups appear thicker than 



they really are. The section at this place over the crest of the pass and 



descending towards Shahpur is as follows, taken from Dr. Waagen''s 



observations and my own : — 



Groups. 



^Nummulitic limestone (part of) ... 

 No. 11. ■< Yellow nummulitic marls 



(_ These change slowly into : — 

 Brown marls with concretions and many fossils — Beloptera (?), Nauti- 

 lus, Gastropoda, corals, and bivalves (cretaceous ?) 

 Variegated ferruginous soft sandstone ... ... 



Variegated clay or shale and grey shales 



Band of limestone or hard marlstone with many fossUs — Orhit- 

 No.lO?-^ oliies (?) or Wummulites (?) ... ... ... ... 3 



Grey clays, with large spheroidal concretions like the Lias of Lyme 



Regis: calcspar veins ... ... ... ... 15 



Grey cavernous limestone, dark brown on fracture, filled with Orbit- 



olites{?) ... ... . ... ... 30 



i__H8ematitic irregular band .. ... ... ...15 to 30 



( 215 ) 



Ft. ] 



[n. 



100 







15 to 20 







40 







30 







40 







