86 BUNDELCUND. 



so that at a very short distance from its present position it must 



have come pouring over the steep edge of the Vindh jans : it may 



be questioned how far its present state is compatible with such a 



condition. 



The same difficulty meets us regarding the laterite, increased by 



• , _ the much greater elevation of that group. The 



As regards the Late- ° ,. A 



rite. rejection of the notion that it is transformed trap, 



and the opinion that it is a group in itself gives it a new importance ; 

 whatever the case may be for the sub-aqueous origin of the trap, there are 

 several intrinsic reasons for considering the materials of the laterite truly 

 sedimentary, such as its constant average thickness, its wide spread as a 

 single deposit, and the truly detrital character of its principal ingredient, 

 thouo-h now a good deal modified from its state when deposited. -If then this 

 low level trap be prelateritic, it is not easy to assign a limit to the former 

 extension of the laterite, without supposing great oscillations of the surface 

 for which there is no direct evidence. That remarkably constant scarp of 

 sandstone and granite, running northward from here, past Chandairee and 

 Nurwur shows that if ever there were a general rise of that surface to 

 the north, the original level has been carefully re-established, but without 

 such a rise what limit can we put upon the possible spread of 

 the laterite group? its position on Dulputpoor hill must be nearly 2,000 

 feet over the trap at Tingunnah, and we know as far as material is con- 

 cerned, that it extended along the high land to the N. E. for at least 

 150 miles from Dulputpoor. If the laterite on the Pysunnee and at 

 Puharee be identified with the genuine rock-laterite, there will be direct 

 proof that it did once make an attempt to fill in the area now belonging 

 to the region of the Gangetic valley : that the trap did so is undoubted 

 and it is strange what a small remnant has been left, especially as those 

 remnants show how little increased denudation has taken place since 

 the trap ; but, to pronounce on this point a survey should be ex- 

 haustive. 



