Physiography of Werrihee Area. 



307 



Recent- i^fwf^^^^^^ 



last erosion period. 



O 

 < 



o 

 5 



111 



2 



Cretaceous 



Jurassic 



o 



N , 



ill ^ 

 < 



-J 



< 



a 



Triassic 



Perm\an 



Carboniferous 



Devonian 

 Silurian 



Upper 



Ordovician 

 Lower 



^erosioin 

 period 



feriod of Uplift & Faulting. 



Newer Volcanic period. 



Pre-newer volcanic, 

 topog^raphy (partly preserved) 



Penod of Uplift & Paul hnj. 



nder Volcanic penod. 

 Probable completion of The 

 Great Pe^e plain ;(ropo^raphy 



parNy preserved). 



'^Lacustnne and f luviatilc 

 sedimentation.'? 



4^^ lake deposits Bald Hill 



^Glacial period ,wifh 



? fnTerglacial pavements. 



Sub-glacial topography 

 (parNy preserved). 



Diastrophic period; 

 folding- &pluronic intrusions. 



Sus rained period of 

 nnarine sedimenl'at'ion. 



I I 



Fig. 29. Chronolog-ical column, recording- the order of the jihysio- 

 graphic events affecting this area, referred to in detail in Section 

 XI. 



