150 FOOTE: GEOLOGY OF THE BELLARY DISTRICT. 



(north-east of) Naddevi a strong reef consisting of pale green (chloritic) 

 schist crosses the river. There is a great show of the green schist on 

 the bank. To the east of these pale green schists, green hornblendic 

 schists show up with a few thin beds of poor variegated haematite schists. 



The central part of the band further south, where crossed by the path 

 leading from Sirrigiri to Tekkulkota, shows small obscure outcrops of ar- 

 gillite, which in a small nullah about three-quarters of a mile west of the 

 eastern boundary has assumed a strongly flaggy structure and shows 

 a measurable dip of from 55 to 6o° east by north. Very generally 

 the dips of the schistose beds are not to be distinguished with any 

 certainty from the cleavage planes which frequently run parallel, or 

 nearly so, with the strike. The whole of the eastern boundary of the 

 band from the bank of the Tungabhadra to the place where it crosses 

 the boundary between the Bellary and Anantapur districts is greatly 

 obscured by the great cotton soil spreads which cover by far the 

 larger part of the Bellary taluq. It is only here and there, at intervals 

 of a few miles, that the schists on the eastern side of the band are 

 exposed for short distances by the eroding action of the streams which 

 flow across the band, and mostly from south-west to north-east, 

 e.g., to the north-east and south-east of Sanawaspur. The predomi- 

 nant form of schist met with is hornblendic, of variable character and 

 appearance ; but chloritic schist and argillites of pale colour crop 

 up here and there. 



The only hills worthy of the name which occur in the Bellary 



section of the Penner-Haggari band are the Sin- 

 Sindigiri hills. . 6& . 



digiri hills which occur on the western side of it, 



some 15 miles due north of Bellary. They extend about 4 miles 



north-west by north from Sindigiri and form a single ridge, which rises 



about 400 feet (or less) over the plain about the centre (or a little to 



the south of it) of the ridge. As already mentioned, the Sindigiri 



ridge is due to the presence of two or three rather important beds of 



haematite quartzite moderately rich in iron. The bedding is a good 



deal contorted and tumbled, and near the top of the ridge certainly 



inverted in many places; but the true general dip appears to be easterly. 



( 150 ) 



