M E S 



V. 



Ancestral 



Caroline Ridge -7 I 



Formaticn of subciution 

 I— zone and rifting of 



ridge to form inter- 

 /v -^ — ^ arc basin. 



--I 



OZOIC CRUlST 



52 m.y. E.P. separction 

 of Austre] ia-New Guinea 

 landmass from Antarctnce 

 and rapid (12 cir,/yr; N 

 irovenerj t if Ar t a r c f i i a 

 fixed. 



(Approximate scale 1:65,000,000) 



Figure 16. Evolution of the Caroline region: 52-40 m.y. B.P, 



67 



