LOWER TRANSITION ROCKS. 145 



forming the great cliffy middle spur of Sugammadevibetta. The 

 southern half basement bed seems to be a haematite bed overlapping 

 directly on to the granitoids without the intervention of the Joga- 

 Sultanpur trap series which has died out to the westward. The central 

 and southern parts of the section cannot at present be correlated with 

 the beds on either side of the pass. 



The connection between the Mincheri hills and the Sugammadevi- 

 betta beds is very obscure except at the north- 

 The Mincheri hills. J r . . 



western corner. The great mass of the hills is 



formed of hornblendic schists and trappoids, which occupy a median 

 position with regard to the axis of the synclinal and lie quite at the 

 top of the series. 



The connection of the beds east and west of the pass is chiefly 

 determined by the extension of the haematite quartzite No. 5 of the 

 Halakundi pass section, which may be followed for the best part of 

 3 miles eastward, but is then lost sight of. The underlying haema- 

 tite, not seen in the pass section, though very well marked on the north- 

 ern slope of the northern spur of Sugammadevibetta, becomes very 

 strong to the south of Mincheri and Chenurayankote", and continues of 

 important size and fair richness all along the north-eastern slope of 

 the hill group to its south-eastern extremity. A yet lower haematite 

 bed, which is locally very rich in iron, shows immediately south of 

 Mincheri village, and again as basement bed along the northern base 

 of the hills. About a mile and a quarter west-north-west of the 

 south-eastern extremity this basement haematite, which may con- 

 veniently be known as the Mincheri bed, is cut across by a large and 

 important trap-dyke. 



The whole of the central part of the hills appears to consist of 

 thick beds of trap and trappoids, which rise into rounded down-like 

 hills devoid of trees, though the soil is fairly rich almost everywhere. 

 Two important haematite beds skirt the greater part of the south 

 South side of the Min- s ^ e °f tne Mincheri hill group and terminate in 

 chen hllls# the southern extremity at Nemkal, where there 



is an interesting section that will be described further on. 



K ( 145 ) 



