THE HAWKESBURY SANDSTONE. 95 
point, and tends to show that this false-bedding is due to currents 
water. The prevailing direction of the dip of the false-bedding 
is towards the north-east, showing that the currents came from the 
south-west ; but there are often seen beds with the dip towards 
other directions. 
Mr. Tenison-Woods’ conclusions Nos. 4 and 5 refer to the origin 
of the ironstones. do not consider’ that the irregular bands 
own, the larger may have been derived from creeks. This is also 
the origin of the fragments of shale. .The creeks have undermined 
, and broken them up.” The smaller and larger gravels are 
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. usual to find creeks traversing for any great distance blown sand 
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tilted before you shows one of the fragments, 12 feet in length, 
“@ up and laid upon the unbroken part of the shale bed. But 
sail again refer to these shale boulders when speaking of 
Ce OF Ice action. 7 
frog nclusion 7 states that “conglomerates may have been derived 
Tae deserts such as we have in the centre of Australia. 
tt all the stones of ‘a sand-hill district from which 
nowt has been blown away.” It is impossible that the 
rates in the Hawkesbury series could have been derived 
; - just mentioned. To satisfy this theory the 
- 
