CONTENTS. 



INTRODUCTION 



Page 

 1 



CHAPTER I. 



Geology. 



General geological description of the field. 



The granite-gneisses . , . . . ' • . 



The Dharwar beds ....... 



The Post- Dharwar dykes ,,.... 



Structure and o ld-contents 



CHAPTER II. 

 The Lodes. 



9-22 



CHAPTER III. 

 Mining Practice. 



Development and stoping 

 Pumping . 



Ventilation . . . 



Illumination , 

 Development and mining costs 



23 



27 

 28 

 28 

 28 



CHAPTER IV. 



Surface Equipment. 



Power employed 



Steaming plant 



Prime motors 



Workshops 



Electric plant . 



Headgears 



Transport arrangements 



Screening, ore-sorting and preliminary crushing 



Water-supply and storage « , . . 



32 

 33 

 34 

 37 

 38 

 39 

 39 

 40 



43 



