ny W. N. BENSON. 



No upper limif 

 visible in Une district. 



549 



Rddiolanan 

 Mudstones, 

 Tuffs, and 

 arcfillaceous 

 Limesi-ones 





Radioianan 

 Ciaystones and • 

 lenhcular 

 Limestones. 



with Tuffs. etc. 



Ttie Moore CreeK 

 Limestone 



Breccia. Ad^lomerate, 

 Spilite.Dolerite 





The Barraba 

 Mudsrones 



The Baldwin 

 A^0"lomerate5 



Probable 

 Position of the 

 Loomberati 

 Limestone 



The Itfneous Zone 



The NeminjJha 



c 

 Limestone 



Base not exposed. 



Text-fig. I. — Columnar Section of the Devonian Series in the Tamwonh 



District. 



