Page:Transactions and proceedings of the New Zealand Institute (IA transactionsproc41newz).pdf/141

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

Pl

Map

Geologfical OF

SIGNAL HILL, DUNEDIN. O

/O

'

'

20

N.Z.

30

'

t

to i

^)itBiK df ciiairu.

Logan's Point

W.

<m^i BlffimsiE

Section along

AA

{fOC'-'^

(on

Main North Road) explaining Sections

i

to

S.E.

i,ooo

eocn

accA '

iilliillllililiiiiiiiiiiliin

iiiiiiiiiiiiimiii

i|iiiiiiiiiiinr~

Section along

Alluvia!

and

reclaimed,

Logan's Point type o/ trachyioij phonolile.

CC.

wm

Acid type

basalt,

Jtfore basic

basalt,

Signal Hill type of Irachytoid phonolile,

Baaanite.

Nepheliniioid phonolile,

Phonolile dyke.

Basic basalt dyke*,

GEOLOGY OF SIGNAL HILL.— Cotton. To face

p.

112.

8.

VIII.