THE PERMIAN PERIOD. 



633 



30.0 



235.0 



132.0 



149.0 



193. 0< 



83.0 



198.0 ( 



105.0 



12.0 

 28.0 



135.0 







°0 ° ° O o 



sgNftftr 



Sandstone. 



Slates and shales with glaciated bowlders. 



Sandstone. 



Glacial mudstones with striated bowlders. 



Sandstone. 



Soft sandstones — small glaciated bowlders. 

 Chiefly sandstones — some glaciated bowlders. 



Glacial beds (apparently. till). 



Mudstone — some glaciated bowlders. 

 Soft mudstones — some glaciated(?). 



Conglomerate and sandstone. — Some glaciated blocks. 



Hard sandstone — abundant glaciated blocks. 

 Sandstone. 



Mudstones with glaciated blocks. 



Sandstone — contorted lamina? below. 

 Glacial sandstone. 



Sandstone and conglomerate with some glaciated stones. 



Glaciated mudstones. 

 Sandstone and conglomerate. 



Beds containing glacial bowlders. 



Lower Silurian slate and quartzite. 



^ig. 291. — Section showing the position and relations of the glacial beds in Australia 



(David.) 



