On the Occurrence of Trachyte in Victoria. 99 



they were covered by the lieds — probably of Miocene age — which 

 form the surface I'ock over the larger part of the area in which 

 the trachyte is to be found. 



A further occurrence of trachyte may be noted at "Wanda 

 Dale station, situate about twelve miles X.X.W. of Coleraine. 

 Specimens from this locality contain pellucid sanidine crystals of 

 columnar habit, surrounded by a network of felspar microliths, 

 in which appear granules of hornblende and small specks of 

 magnetite and opaque matter. 



7a 



