ABSTRACT 



OF 



PROCEEDINGS OF THE GEOLOGICAL SECTION. 



Monthly Meeting, 9th April, 1913. 



Prof. T. W. E. David, in the Chair. 



Ten members and two visitors were present. 



On the motion of Mr. R. H. Cambage, seconded by Mr. 

 O. Hedley, Professor David was re-elected Chairman for 

 the current year. On the motion of Dr. O. Anderson, 

 seconded by Mr. L. Cotton, Mr. O. A. Sussmilch was re- 

 elected honorary secretary. 



After discussion the following subjects were recommended 

 for discussion during the year : — (a) The strata of unknown 

 age which encircle the Triassic basin of the Clarence River 

 District, (b) The geological age of the Clarence River 

 Series, (c) The geological age of the alkaline volcanics of 

 the Northern Rivers District. (d) The Ordovician and 

 Silurian formations of the Bodalla District, (e) The Cooma 

 Metamorphic Series, (f) Age of the last orogenic move- 

 ments which effected New South Wales other than the New 

 England District, (g) The age of the Tertiary alkaline 

 rocks and their relation to lines of Tertiary faulting, (h) 

 Joint systems and their aid in determining relative ages of 

 adjoining formations. 



Dr. C. Anderson moved that the Section take up the 

 question of supplying the necessary data for the Inter- 

 national Science Catalogue regarding geological and 

 mineralogical papers published in N. S. Wales, and it was 

 agreed that the following members be nominated to the 



