XXX. ABSTRACT OF PROCEEDINGS. 
ness near Newcastle, in the Hawkesbury River Bore, and. a 
natural section of similar strata in the Southern Coal Field near 
Wollongong. 
A detail section of the lower portion of the Cremorne Bore as 
compared with a corresponding section in the Southern Coal Field 
may now be considered. 
CREMORNE. SOUTHERN Coat FIELD. 
Ft. In. Ft. In. 
Top coal seam ... ..» 8 9% No.1 Coal Seam ... ween. $Oys @ 
Strata ae cae ae DO Strata as ... 16 ft. to 26 
Clayey calcined coal... 1 1 No. 2 Coal Seam ... ree eal! 
Strata oe ne .. @L 13 Strata aut 60 ft. to 100 , 
Coal (dirty splint) 2 No. 3 Coal Seam ..._ up to 18 
Strata Pas ae nce) ae “0 Strata ts ... 40 ft. to 60 
Inferior coal Sai ie . OO No. 4 Coal Seam ... 6 ft. to 10 
Strata a _ ee oP) Strata Rs — or) BOn ao 
Coal (inferior in part) ... 2 4 No. 5 Coal Seam ... con oe OO 
Strata eee cs 6 Strata =i ... 80 ft. to 50 
Coal and bands ... ans Sealge A No. 6 Coal Seam ... Jee) SD 
Strata nae oe sme, OA Mid Strata io 80 ft. to 150 
Coal and bands ... ree ON 25 
Strata at: Abe soe OO 
The coal seams penetrated by this bore afford no reliable guide 
for correlation, for most of them are very thin and may represent 
splits. If the top seam pierced be excluded, there is no seam at 
all comparable to No. 3 of the Southern Coal Field, which is there 
the most persistent horizon, and at the southern end occupies the 
top of the measures, No. 1 and No. 2, having thinned out entirely. 
That such is the case may be seen beneath the Fitzroy and Bel- 
more Falls. Attention is now called to the Liverpool Bore 
section, the lower portion of which is as follows :— 
No. 1 Coal Seam __... nae we > 1 fe Sain, 
Strata .. a: ae age sen Leta We 
No. 2 Coal Seam ... wae nae!) 7 tie Ay ia 
Strata ... sete a a“ «oe JAG. Sime 
No. 3 Coal Seam .... an w.. . O 1b. Ge In, 
Compare this with the upper portion of the Southern Coal Field 
exposures of Permo-Carboniferous strata and the similarity justifies 
their identification as given in the section, the differences in thick- 
Se he 
