44 W. BLANFOllD^ WESTEllN INJJIA. [PAIIT T. 



appearance and conchoidal form of quartz. It is clearly intermediate 

 between a quartzite and a sandstone.* 



Conglomeritic bands are not rare. The bedding- is invariably well 



marked^ oblique lamination being rare. The 



Conglomerate. 



separate beds are of a small thickness in general, 



and the rock is occasionally flaggy. Conglomerate, containing pebbles 



of metamorphics and other rocks of no great size, is not unfrequent. 



Eippling abounds on all the surfaces. In a few places, especially about 



Gunnoorgurh near Hoshungabad and the villages of Dharee, and 



Paimgurh in the Dhar forest, softer and more 



shaly beds occur, grey or greenish in colour. 



These are higher in the series, and have been shown by Mr. Mallet to 



belong in part at least to the ' Bundair^ division of the Vindhyans, while 



the quartzite sandstones at the base of the series represent the ' Rewah'' 



beds of Bundelcund. 



The Vindhyans rest quite unconformably upon the Bijawurs, and 



contain rolled fragments of the latter in their 

 Eelations to Bijawurs. 



conglomerates. 



The thickness of the Vindhyans in the Dhar forest must be very 



„, . , ^ . . g-reat, but it is very difficult to estimate it ex- 



Thickness of series m ° ' ■' 



Dhar forest. actly, as faults occur : of the lower beds alone, in 



the section from Pullasee to west of Sakarghat, scarcely less than 7,500 

 feet can be exposed. This is calculating the average dip at 13°, and 

 allowing for one small roll. The estimate is probably below the truth, 

 and as there are at least 2,000 feet above those exposed in the Sakar- 

 ghat section seen about Paimgurh and Dharee, the whole thickness of 

 Vindhyans in the Dhar forest can scarcely be much less than 10,000 

 feet. 



* I should almost be disposed to call it a quartzite, but as it passes into sandstone in 

 places, and the Vindhyans in genei'al are perfectly unaltered rocks, this might involve the 

 idea of their mineral condition being different from what it is. 

 ( 20(t ) 



