MEMOIRS 



OF 



THE GEOLOGICAL SURVEY OF INDIA. 



The Southern Coal-fields of the Rewah Gondwana Basin: Umaria, 



KoRAR, JoHILI.A, SoHAGPUR, KuRASlA, KoiiEAGARH, JHILMILI, by 



Theodore W. H. Hughes, A.R.S.M., F.G.S., Geological Survey 

 of India. 



CHAPTER I. 

 GENERAL REMARKS. 



SECTION I. — INTRODUCTION. 



In different numbers of the Records of our Survey, I have already 

 partially sketched the geology of portions of the 



Geology partially 



sketched in Records, Geo- country that it has now fallen to my task to de- 



lo°"icfll Survey* 



scribe in full; but as they were merely preliminary 

 notices I would wish it to be understood that the views expressed in 

 them were based upon contemporaneously progressive knowledge, and 

 were therefore open to modifications as maturer and fuller observations 



Principal object, the were accumulated. My chief aim has been to 

 coal deposits. g[ ve prominence to the coal deposits which were 



met with, and I think I may point with some satisfaction to the result 

 of the joint labours of my colleague Lala Hira Lai and myself in connec- 

 tion with the investigations of the coal-measures in the neighbourhood of 



Discovery of fossils by Umaria. The fortunate discovery on his part of 

 Lala ilira Lai. fossils which definitely confirmed my conviction as 



to the true geological horizon of the coal encouraged the hope that, if 



( 137 ) 



Memoirs of the Geological Survey of India, Vol. XXI, Part 3. 



