Trans. N.Z. Inst., Vol. XLI. 



Pl VIII. 



Geologfical Map 



OF 



SIGNAL HILL, 



DUNEDIN. N.Z. 



O /O 20 30 ■to 



' ' ' t i 



^)itBiK df ciiairu. 





Logan's Point 



W. 



BlffimsiE 



<m^i 



Section along AA (on Main North Road) explaining Sections i to 8. 



{■fOC'-'^ 



i,ooo\ S.E. 

 eocn 



accA 



' iilliillllililiiiiiiiiiiliin iiiiiiiiiiiiimiii i|iiiiiiiiiiinr~ 



Section along CC. 



Alluvia! and reclaimed, 



Logan's Point type o/ trachyioij phonolile. 

 Signal Hill type of Irachytoid phonolile, 

 Nepheliniioid phonolile, 



Basic basalt dyke*, 



wm 



Acid type basalt, 

 Jtfore basic basalt, 

 Baaanite. 

 Phonolile dyke. 



GEOLOGY OF SIGNAL HILL.— Cotton. 



To face p. 112. 



