90 



VOLCANIC AREA OF EAST MORETON, ETC., DISTRICTS, Q., 



Immense sand dunes stretch along the coast from Mt.Peregian 

 to Noosa Heads, and again from Noosato Tin-Can Bay. Teewah 

 (or Seewah) Hill, the highest of these, may exceed 300 feet. 

 They are of wind-blown formation, and separate the shore from 



Safcr 



Fig. 12. -Plan showing Shore-banks at the mouth of the Caboolture River. 



the saltwater lakes of Weyba and Cootharaba, and from the 

 Coolum swamps. 



A black peaty sandstone, often 6-8 feet in thickness, outcrops 

 with a few breaks all along the coast from Mooloolah Heads to 

 Noosa Heads. It contains carbonised wood, and frequently 

 underlies, as well as overlies, marine or estuarine deposits. This 

 is a late Tertiary, Pleistocene deposit, and implies fluctuations in 

 land- and sea-level. The formation probably extended out into 



