: THE GEOLOGICAL FORMATIONS OF NEW ZEALAND 
Islands. The depth of water on the plateau is about 300 to Ol 
fathoms, the surrounding water of the ocean having a depthe 
from 2,000 to 2,600 fathoms. Along the base of the m 
forming low mountain ranges subordinate to the main axis. 
the North Island there are similar outcrops of the mesozoie rocks 
th 3 eg = L ras 3 J Lae 4 pe 
at 
ose ke 
o gy, 
greater portion of the surface. In many cases 
ery marked that in New Zealand the newer an 
_ formations have only survived and escaped denudation 
_- protecting influence of the harder masses of metam 
Igneous rocks. 
tain sides that had been held formerly by the trees, 
. ing the 
ad 
formations, comparing them with whi 
