234 C. A. SUSSMILCH. 



THE GEOLOGY OP THE GLOUCESTER DISTRICT 

 OF NEW SOUTH WALES. 



By O. A. SUSSMILCH, F.G.S., f.t.c, (Syd.), 



With Rock Analyses by W. G. Stone. 



[With Plates XVI - XVIII.] 



[Read before the Royal Society of N.S. Wales, December 7 , 1921.~] 



TABLE OF CONTENTS. 



Introduction. 



Physiography. 

 Geological Formations. 



A. The Devonian System: 



I. The Tamworth Series (the Copelancl Beds). 

 II. The Barraba Series. 

 III. The Gold Reefs. 



B. The Carboniferous System: 



I. The Burindi Series. 

 II. The Burindi Fossils. 



III. The Kuttung Series. 



IV. Relation of the Carboniferous and Devonian 



Formations. 



C. The Permo Carboniferous System : 



I. The Gloucester Coal Measures. 

 II. Relation to the Kuttung Series. 

 Petrology and Rock Analyses. 

 Summary of the Geological History. 



Introduction. 

 Very little has previously been published about the 

 geology of this district. In 1915, the writer, in company 

 with Professor W. N. Benson, d.Sc, examined the railway 

 cuttings between the Bulliac railway station and the 

 Manning River. A brief note of the observations then- 



