56 
The clays of the interior (pf Australia in some cases carry 
nodules of barytes. The wei vitamin deke which these con- 
2 
when leader of the Government North-West Prospecting 
Expedition in 1904. Mr. W. T. Chapman, 5) the assayer 
Per oak: 
Water P5 ie o 
ili DUCES 
Alumin ER dite 
Ferri e pene e . 056 
poner acid . s ren um .. 99:82 
Bar mm e us us va ... 62°00 
Strontia os Ria RE i a UU p s 
Lime SH ee a oe mdr. 
99:39 
of white clay-like rock, which is capped by a hard layer o 
esert sandstone. The specimens are es D d numbers, 
1 ft. in diameter. 
ilst on a visit to Stuart Check ais station, in the 
, in ay b 
with oy 
shape from the “buns.” ' ey ven be compared in appear 
ahs to a ball of stout cord that had been wound and inte 
Er itself. The thickness of the cord-like casts varies 
» R Soc. 
S. Austr. y v. 3i sr bn er Notes," Trans. Roy. 
Mines and Industries, 1904, pp. 73, 74. 
a) 
