MALLET^ VINDHYAN SERIES. 75 



iiig at the Hirun river, limestone of the slate series is seen touching 

 the Rewah sandstone. A little further west a band of hornstone inter- 

 venes; farther on again north of Amoda, the lower part of the 

 Bundair sandstone, with some shale beneath it, is thrown up vertically, 

 while the beds in the scarp to north dip at a low angle. Hornstone of 

 the slate series comes in next these rocks and then limestone, tke Rewa/is 

 being completely cut out. Further west they come in again in direct contact 

 with the nearly horizontal upper Bundairs ; and so the section varies, there 

 being, however, apparently but one place where the E,ewahs are absent. 



Muria hill is a remarkable peak due north of Nursingpur which 

 quite overlooks the Bundair table -land, and one in which the strata are 

 inclined at 60° to the south, being inverted. The hill itself has a steep 

 slope on this side and is partially overhanging on the north, the 

 underslope being made up of talus. The height and peculiar form of this 

 eminence render it a conspicuous object for miles round. 



In tracing the northern fault westwards, it is found gradually to 

 diminish in depth or amount of throw. Thus, due north of Nursing- 

 pur, we have the upper Rewahs in contact with the upper Bundair 

 but a little to the west they are found next the Sirboo shales. Again 

 north of the hill near Omarpani, which is the continuation of the 

 Rewah ridge, we have the Gunoorgm-h shales, and east of Bureli 

 we find the Rewah sandstone both in the hill at Sateri and in the 

 range to the north. Sateri is the last point where the Kuttuno-i 

 ridge appears above the alluvium, and the last where there is any 

 evidence of the northern fault, the throw of the latter being here much 

 less than at Nursingpur ; the entire traceable length of this fault fram 

 Bilheri to Sateri is about 130 miles. 



During the investigation by the survey of the coal-bearing formations 

 south of the Nerbudda, a cursory examination of the Vindhyan boundary 

 north of the river led to somewhat erroneous opinions as to its nature. 

 K ( 75 ) 



