MEMOIRS 



OP THE 



GEOLOGICAL SURVEY OF INDIA. 



Geology of the Rajmehal Hills, by V. Ball, m.a., p.g.s., 



Geological Survey of India, 



CONTENTS. 



Chap. I. — Introduction. 

 „ II. — Previous observers. 

 „ III. — General Geology. 

 n IV. — Metamorphic Kocks. 

 „ V.— Talchir Group. 

 j» VI. — Barakar Group. 



Chap. VII.— -Dubrajpur Group. 

 » VIII. — Rajmehal Group. 

 „ IX.— Laterite. 



jj X. — Alluvium. 



„ XI.— Faults. 



„ XII. — Economic Resources. 



CHAPTER I. 



INTRODUCTION. 



The portion of country described in the following- pages is bounded 



Area. ° n the north by the Gan g es > on the east partly 



also by the Ganges, but principally by alluvial 

 plains j on the south by the Dwarka river and the district of Birbhum ; and 

 finally on the west by the hilly couutry and plains of Birbhum and Bha- 

 gulpur. The area included within these limits, and which is geologically 

 coloured on the accompanying map, amounts to about four thousand square 

 miles. 



The adoption of the title Rajmehal hills, as applied to the whole of 



Title. th ^ S area ' can onl y t)e J ustified on the plea of popu- 



lar usage and convenience. Strictly speaking, the 

 Rajmehal hills do not extend beyond the limits of the Government terri- 

 Memoirs of the Geological Survey of India, Vol. XIII, Art. 2. 



