Cenozoic covering strata 
lithology 
I H 1 Post-glacial river deposits 
| S 1 Grey wacke scree 
1 Tm 1 Uplifted Pleistocene gravels (Tophouse gravels* 
covered by moraine in places(approximat* 
boundary only) 
Paleozoic and Lower Mesozoic rocks 
BEDDING 
Inclined 
Ve r t i ca I 
Distinct boundary 
Indistinct boundary 
Fau Its 
Faults recently 
act ive 
FORMATION, GROUP 
Stevens Formation 
siltstone, sands tone, congl. 
Wa i ua Format ion 
red and green argil I i te 
Greyville Formation 
grey banded ms. and ss. 
Whits hard limestone j 
> Rangi toto F 
Calcareous sandstone I 
S p 1 1 i te, delsr i te 
Red and green 
volcanic breccia 
S e r pa n t i n i te 
Dunite, peridotite 
SYSTEM, SERIES 
> Ma i t a i se ries 
PERIOD 
Lower 
Perm ian 
Wa ira u 
ES 
v Ultramafics 
Dunite scree, dunite > Mass 
Hydrogrossula 
in serpe n t i ne 
R o d i n g i t e 
A m ph i bol i te 
x Te A na u 
S series 
Basal 
P® rmian 
Rocks west of Waimea Fault 
B | Brook Street Volcanics 
Rocks south of Wairau Fault 
R Mt. Robert Group 
W Raglan Group 
Grtywoeke 
Alpine 
Facies 
(?) C a rbon if erous 
(?) T riassic 
