BUNDELCUND. 69 



yond affording a view of the sections: I describe these from a 

 feeling of the importance to the geologist of explaining surface appear- 

 ances of rocks — I have myself experienced and seen in others what false 

 conclusions may be come to by mistaking these surface phenomena, as 

 seen only in plan, for general features. In the Punna section there is no 

 marked distribution of the sandstones; thin grit layers are numerous 

 among the red and green shales, and a few beds of fine sandstone occur 

 through the mass. 



In approaching Kumerea from the west there is an abrupt rise above 



the general slope of the plain; close under this rise, 

 Kumerea. 



in the bed of a nulla, great sheets of the coarse 



Kymore sandstone are exposed, coinciding with the gentle southerly 



slope of the surface; in the bank immediately over it are about 15 feet 



of variegated shales, capped by some strong beds of fine sandstone. The 



"kakru" or diamond ore is still here an incoherent, ferruginous, sandv 



earth of variable thickness and undecided in its position, in one place 



just under the sandstones, while a few yards off, it may be eighteen 



inches under them, among shales and grits, — it is not singular in this 



respect, the stratification both of the thick sandstones and of the grits is 



seen to be very irregular ; the beds rapidly die out and are replaced. 



To the east the position and form of the kakru becomes modified; just 



west of Bridjepoor it is a two feet bed of clear 

 Bridjepoor. 



conglomeratic sandstone, resting on the strong beds 



of pure sandstone and is worked at the surface: the ledge which it caps 



presents an abrupt ridge along the right bank of the Boghin and to the 



south runs into the hills, being apparently a flat spur and not an outlier ; 



on the east slope of this spur, these sandstones are seen to overlie some 



twenty feet of the variegated shales. I should have wished to trace out 



more closely the passage of the conglomerate layer from its state among 



the shales into its condition as a pure fine sandstone conglomerate, but 



the state of the workings did not afford the opportunity. 



