97 



Hill), Eockley, Tamworth, Burrowa, and Byng. The material 

 from Byng has been used locally to a slight extent for boiler 

 covering. 



The largest yet found in New South "Wales is from Broken Mica. 

 Hill, but is too small to be of commercial value. 



In an unnumbered case, immediately to the left of the entrance, Special 

 ■will be found a quantity of ochres and other pigments from CaseS. 

 Dubbo, Larras Lake, Molong, and elsewhere. Several attempts ^ "^^* 

 have been made to place these on the market, but with scant 

 success. Kalsomines prepared from local material, and a series 

 of small duplicates of samples recently submitted for valuation 

 in London, with the prices quoted, are exhibited. 



'For comparison, ochres and umbers from Cyprus, Spain, 

 Ireland, and Cumberland are placed here. 



A series of cores from the Y/allon Bore, Moree, obtained with Case 77. 



the calyx drill Erom various depths between 350 feet and 1800 Artesian 



... . . Water, 



feet are shown. The fossils found in the core show that Triassic 



strata are present beneath the Cretaceous, and it was in the 



former that Artesian water was struck (at a depth of 2330 feet). 



Specimens of the porous sandstones which catch and absorb the 



surface water at their outcrop in Queensland are exhibited 



below. 



ORNAMENTAL AND BUILDING STONES. 



The Museum possesses a considerable variety of ornamental 

 and building stones from 'New SouthWales. These are displayed 

 on the north wall and in upright show-cases near the entrance. 



Immediately to the right of the entrance, on the south wall, Marble, 

 are large polished slabs of the following marbles : — 

 Cow Flat ; white. 

 Tamworth ; red. 

 Marulan ; grey. 

 Orange ; pink. 

 Of these, the Tamworth and Orange marbles can sometimes be 

 obtained in Sydney. The Tamworth marble consists largely of 



