MEMOIRS 



OP THE 



GEOLOGICAL SURVEY OF INDIA. 



The Ramgurh Coal-field, by V. Ball, b. a., Geological Survey 



of India. 



CONTENTS; 



Introduction. 



I. — General Geology. 



II. — Talchir Series. 



III. — Damuda Series. 



Sec. 1. — Barakar Group. 



Sec. 2. — Ironstone Shale „ 

 Sec. 3. — Eanigunj „ 



IV. — Superficial and Recent Deposits. 

 V. — Faults and Dykes. 

 VI. — Economic Summaiy. 

 VII. — Crystalline Eocks. 



Position of Coal-field. 



Introduction. 

 The coal-field which is described in the present report is situated 

 in the Illaqua Eamgurh^ District of Hazareebagh, 

 and occupies a portion of the valley of the 

 Damoodah river lying between the Meridians 85° 30^ and 85° 45' of east 

 longitude. 



The only recorded geological notice of this field is contained 



in one of the late Mr. Williams^ papers. In the 



year 1848 he paid it a flying visit when^ from 



the fact of its vicinity to the old town of Eamgurh^ he gave it the name 



Memoirs of the Geological Survey of India, Vol. VI., Ai't. 4, 



( 109 ) 



Previous notice. 



