THE HAWKESBURY SANDSTONE. 93 
The second conclusion is, ‘That there has been no upheaval, 
but rather a subsidence, which probably extends from the base of 
the to the sea.” This question does not bear directly upon 
the mode of deposition of the sandstones, excepting as tending to 
ing them, and yet the upheaval 
of them from the sea is unquestionable. In a similar manner 
ina horizontal position, we have the Upper Coal Measures and 
W. 
the Hawkesbury beds and the more recent Wianamatta shales. 
tion of Queensland, which extends into this Colony about the 
arling and Mount Poole districts, has been upheaved in this 
C 
‘eg e . The peculiar lamination, or “ false-bedding” as 
— called, referred to, is a structure not confined only to 
lian rocks, but it is met with in almost all sedimentary forma- 
tons, whether of marine or fresh-water origin, and is regarded as 
Indicative of more or less strong currents in shall water. [have 
low 
* y in different aqueous formations. 
. 
my: 
. 
