34 FOOTE: GEOLOGY OF THE BELLARY DISTRICT. 



length from north to south, which forms the eastern end and highest 

 point of a considerable group of wild, rocky hills which extends south- 

 ward close up to the Mysore frontier. Uchingi Drug hill consists of a 

 very massive granitoid, showing little or no lamination, but its eastern 

 face presents the appearance of a great plane of bedding which dips 

 eastward under a narrow band of Dharwar rocks running up north- 

 ward from the Mysore boundary, and forming the northern extension 

 of the Halekal gudda branch of the great Dambal-Chiknayakanhalli 



band of the Dharwar rocks. A band of pot- 



Potstone bed at Uchingi. 



stone appears to rest directly on the great 

 sloping plane above referred to, but neither its contact with the 

 granitoid, nor its contact with Dharwar schists and quartzites to the 

 eastward can be seen, and so it remains doubtful to which system 

 it belongs. 



Of similarly doubtful age are the other potstone formations which 

 occur at intervals further to the north-west and 



Other outcrops of pot- 

 stone •. Arsapur, Nil- north-north-west. I could not get any sections 



gunda, etc. . . . . f1 .. 



showing their contact with the surrounding 

 crystalline rocks, nor were any of them seen in contact with un- 

 mistakably Dharwar rocks. Such little evidence as was obtained as 

 to their relationship to other rocks appears to favour the hypothesis 

 that they belong to the Archaean system, rather than that they are 

 outliers of the basement of the Dharwar system that were saved 

 from erosion by having been folded in with the Archaean rocks 

 rather deeply at the time of the great crumpling of the Dharwar 

 system. The principal occurrences of the potstone to be noted, 

 besides the Uchingi bed already referred to, are — 



a. The Arsapur hill, five miles north-north-west of Uchingi Drug; 



b. The Nilgunda hill band ; and 



c. A group of three outcrops lying west of the great tank at Hara- 



panahalli town. 



matters of local history and folklore, subjects to which the natives of South India, and 

 the Canarese people more especially, are, as a rule, supremely, indifferent. There seems 

 to be an extraordinary dearth of legends connected with the geological features of this 

 Bel.'ary country. I could hear of none other despite constant enquiries. 



( 34 ) 



