On the Chemical on Wan ek of certain Rocks, 
New &e. : 
By A. Livensipor, F.R.S., Professor of Chemistry and aoe 
in the University of Sydney, 
(Preliminary Notice.) ees te ‘ 
[* Read before the Royal Society of New South Wales, 8 December, 1880.) ° 
Freshwater Limestone, Newstead, New pas om District N. SW. 
Of ® grey colour, breaks with an granular fracture — 
particles of included peer: ly very impure. m. 
scala the following results were obtained -— 
Chemical Composition, 
aah moisture at 100° C.,.... 736 : 
»  Silicn... ‘. 
14116 re 
| frum teoyuioaii 1:70 eS 
ron seaqu Lh ed 
xide, SERS Hee eee eee 
+) Lime 10°571 
ora . 815 ee 
eastern 598 geet 
Carbon dioxide (C04) vitesse 8450 a 
99°576 ees 
Pet, 
mpd t Soluble in HCl. | 
___ Limestone, Windellama Creek, Coun le, —Dark bluish : 
or nee, ha wear apse sail sihee ls wae 
Analysia, 
H moisture at 100° C ...... Pes 
Alumins with trace of SPO sisicicsinds Pe 
Mangan absent 
Magnesia ...., trace 
_ Potash nace ai 
Soda 
ate Chlorine seereeere 
- Carbon dioxide (CO.) Serta neraeneeee ne 42-heo 
100-253 
on pe ee yo to 
