126 NERBUDDA DISTRICT. 



similar examples have been observed in which the granite seen to cut up 

 and alter the schist is clearly a part of the characteristic granite of the 

 country and where as far as such evidence can go, it seems fair to con- 

 clude that the period of the advent of the granite was subsequent to 

 consolidation of the schists. The more common case however is such as 

 that furnished in the Gogra Nuddi section* where many granite veins 

 traverse in every direction the schist beds, but where the schist, though 

 of course probably part of the similar series seen elsewhere, might be al- 

 most anything, and where the granite veins have no apparent connection 

 with any mass of granite. Such examples though incapable of being used 

 as evidence, certainly tend to confirm the conclusion above stated, that 

 the granite is more recent than the schists. 



When however in ascending the geological section we come to exa- 

 mine the Sub-Kymore and Vindhyan seriesf no facts similar to the 

 above are found, nor can we in the present state of our knowledge with 

 certainty say that the granite of this district is older or newer than these 

 rocks. 



It has no where been seen to disturb the beds of either of them, 

 nor, on the other hand, have the latter ever been any where ob- 

 served to rest on granite, or to contain pebbles presumably derived 

 from it. Still though no positive evidence can be adduced to show that 

 the granite period was anterior to the deposition of the Sub-Kymore 

 slates, and Vindhyan sandstones, yet every presumption is in favor of 

 that conclusion. 



There is much, for instance, to suggest that the schists were disturbed 

 and denuded before the deposition of the Sub-Kymore rocks, and it is 

 certain they were so before that of the Vindhyan sandstones, and re- 

 membering the great depth below the surface at which it is presumable 

 that granite is consolidated, the unaltered condition of the rocks of 



* The Gogra is a tributary of the Tawa. 

 f These names will be found explained hereafter. 



