220 NEW SOUTH WALES MINERALS, 
Clay Band No. 2.—Wallerawang 
Analysis. 
v7 
Water lost at 100°C. ... 1:35 
. mbined me 10°29 
oe 3°66 
», soluble 
umina... 2 1°38 
Tron protoxide ... = “67 a 
- quioxid ia 78°96 | metallic 
Manganese protoxide ... 2°43 
Lime i Ae ibs 65 
Magnesia ae ee i os 14 
Phosphoric acid... mer a .. traces 
Sulphur nN ie ay Ba ..» «braces 
99°60 
Clay Band No. 3. Berar. 
aap 
Water lost at 100° C. se 9 
+ combine on 706 uc ORT 
ee es 22. ae eas 8°34 
sy ROLL DIG i, re he eis oT 
—— rita oe ‘ei Le a 5446 % 
gs sie soe ps bi is ies i = 04°20 / 
»» Sesquioxide me ss ... 77°29 § metallic iron 
Man, ms ‘protaside ia ow ‘76 
Lim ei ih ‘19 
Phos: vn inal ee: me . traces 
istehas lie ie be eats . traces 
99°83 
Clay Band, Jamberoo. 
Clay band iron ore from Jamberoo o; of a dark reddish bei 
colour ; looks very much like a clay or shale, which in fact 1 
really i is Has a somewhat laminated structure ; breaks with @ 
flat conchoidal fracture, with dull earthy surfaces. 
Sp. gr. 2°73. 
yg Ana _ ie 
ater lost # 105° C ee 452 
san ans a Tie 
Sili d lubl mais oe 
Alumina mati To aan 
Iron sesquioxide ... ei ie . 2 
Mt protoxide..., aa ma ay i 
Lime oy id ‘158 
ric acid traces 
Sulp: —s absent 
