Upper Palceozoic Rocks . 
55 
Further westward, at the Freestone Creek quarries, near 
Briagolong, I fouud, in shales underlying the sandstone beds of 
the quarries, a few plant- _ _ 
impressions, among which llALtmTcMffi™' 
Professor McCoy identi- 
fied Cordaites Australis , 
one of the characteristic 
fossils of the Iguana Creek 
beds. Below these are 
grey rubbly shales or 
“ cornstoues 99 like those 
previously mentioned. 
On proceeding north- 
eastward from here up St. 
George’s Creek, a branch 
of the Freestone, the fel- 
stone sheets are found to 
appear from beneath the 
sandstones, &c. 
Before describing the 
next point of interest — 
the Snowy Bluff — a short 
description of the physical 
features is advisable. 
From Mount Howitt, 
on the Main Divide, a 
leading spur trends south- Y -, 
,1 (6) Thick beds of ouartzose sandstone, passing 
soiltn-eastei Jy, and divides into coarse grit, with bunds of pebbles of quartz and 
the water of the Macalis- sMceous rocks. 
v r , (<*) Porphyries as in section No. 23. 
ter oil the west irom those 
of the Wonnongatta or Mitchell oil the east. This spur bifur- 
cates at the eastern end, or loftiest point, of the Mount Welling- 
ton Range, near the trigonometrical station, and the two branch 
leading spurs thus formed embrace the drainage-area of the Avon 
River. The Mount Wellington Range itself forms the first portion 
of the western of these spurs, and terminates at its western 
extremity in a huge bluff, forming a conspicuous feature, visible 
from the Gippslaud plains and Lakes. The spur continues 
westerly, but at a decreased elevation, to Mount llump, whence 
it turns southerly, and, with numerous alternating high points and 
low saddles, gradually descends till it splits up into the numerous 
minor spurs sloping down to the level country between the Avoir 
and the Macalister. Ben Cruachau, another conspicuous mountain, 
about 2,800 feet in height, forms one of the offshoots from this 
spur. The eastern leading spur from Mount Wellington, forming 
the divide between the Avon and the Mitchell, has a general 
east-south-easterly trend to Castle Hill, and then turns south-south- 
easterly, running out in numerous branch spurs on the low country. 
Cliff about 200 feet high. 
(«) Conglomerates. 
!>) * ' 
