82 



VOLCANIC AREA OF KAST MOKETOtf, ETC., DISTRICTS, Q., 



dykes, form the predominant country rocks. Along the river 

 banks extensive alluvial deposits are spread in places. The 

 mountains rising from this area are partly decked with forest and 

 composed of solid rhyolite lava, like Mt. Nindherry (see Plate viii., 

 Text fig.5), and partly scrub-covered, like most of Mt. Eerwah, 

 North Nindherry, most of Mt. Oooroy and many of the Eumundi 

 ranges. The scrubs are found on tuff and breccia country 

 (Eerwah), andesite formations (base of Mt. Cooroy), and on the 

 basalts (North Nindherry). 



Between the Bottle and Glass and Mt. Eerwah there is a deep 

 valley known as Yanganuien Valley, which, I think, owes its 

 origin to a fault that has thrown down Mt. Eerwah and the whole 

 Eumundi district. Faulting has been very great in the district, 

 but owing to the dense tropical vegetation it is exceedingly 



oie & gjfe ■ *■ 



C7 



S5WaA2S 



Fault 

 SECTION 



" c Y s Sai35 



Fig. 6. -Plan and Section showing small Fault at Eumundi Eailway Goods 

 Shed. ct. sandstone, c.s. carbonaceous shale. G. conglomerate sandstone. 



difficult to obtain positive proofs. One beautiful little fault 

 may be seen in a cutting a few yards from the goods-shed of the 

 Eumundi Railway Station (Text tig.6). 



A good deal of the Maroochy district is devoted to the culti- 

 vation of sugar cane. 



(f) The Cooran District. — Most of this country is forest-clad, 

 and its drainage goes to the Six-Mile Creek, a tributary of the 

 Mary River. The timbers are of very divers characters in 

 different parts, many rock formations being represented. The 

 district is gently undulating, and is a raised peneplain of very 



