75 
Immediately under the Tertiary limestone the clay is much 
impregnated with dendritic mangin ese, and the upper por- 
stone is seen to occur below the ferruginous £rust. Beneath 
this iron-stained layer the clay is dark-colored in shades 
bluish-black. When seen in plan on the beach (horizontal 
to the bedding), an extensive system of jointing can be re- 
cognised, the joint planes crossing each other at various 
angles. 
The erratics contained in the clay are for the most jart 
strongly striated or polished by ice action. The shingle of 
the beach eae mainly of erratics that have been liberated 
of boule peer as been A on ides 
ihe north side of go ao cn in Section 200 (Hundred 
of Moorowie), ad been excavated in this clay Abovt 
mentioned a third erratic was found, being a close-grained 
bluish quartzite, with polished face, and heavily serate 
The outerop of boulder clay was followed across the road 
dividing the Hundreds of Moorowie and Par. urlie, and 
more granites were picked up in Section No. 23 of the 
latter Hundred. 
few small weathered pieces of Eocene limestone were 
seen on the north flanks of Warooka Hill, but whether such 
are the remains of a small outlier of rocks of this age in the 
