ae 
ue | 
Bi op 
ae. 
(oy 3 THE GEOLOGICAL FORMATIONS OF NEW ZEALAND 
e 
forms, such as Ancyloceras, Belemnites, and Rostellaria, a number 
: E ‘tion of the series, in every locality where they oceur. 
Eee 
- Otago, — on the west coast of the South Island. 
_ Where hy brown coals, but on the west coast 
VI.—Crertaceo-Tertiary. 
a, Grey mars. a 
6. Ototara and Weka Pass stone. a 
e. Fucoidal greensands. ee z 
d. Amuri limestone, chalk marls, and chalk with flints. 
e. Marly greensands. 
J- Island sandstone (Reptilian beds). ‘ae 
g- Black grit and coal formation. De 
These constitute the cretaceo-tertiary group, being stra 
graphi associated, and containing many fossils in common 
throughout, while at the same time, though none are ee” 
Species, many present a strong tertiary facies, and in the in 
part only a few are decidedly secondary forms. i 
The distribution of this formation shows that it was not, like 
formations of later date, deposited in relation to the form of the 
land as at present obtaining in the New Zealand area, except Et 2 
the vicinity of some of the oldest and most lofty land masses 1» 
the south, which appear to have remained above the waterime ; 
~ from the lower cretaceous perio 
The upper part of this formation is a deep-sea deposit, but ve 
lower subdivisions indicate the: close vicinity of land, and are te ; 
3 | in some areas by true estuarine and fluviatile beds contalr : 
ing coal. . 
marine fossils include, besides well-marked gr 
x 
that have still a marked affinity to the tertiary fauna. 
resembles in mineral character and the contained fossil 
Stone and calcareous greensand of England 
In the upper part of this formation the valuable ager 
The black grit, which is the lowest marine bed of this § cat’ 
8, the 
The principal coal ‘deposits of New Zealand oce 
cretaceo-tertiary formation, but always at the base of 
ry Uneonformity and long persistent land area at thi e 
Thus they are overlaid eth Leda marls in the W wie 
,_» Sreensands at Wangarei, and by the island san @ 
S Immediately following the marine ne rest up 
