METALLURGICAL 
METHODS 
AT BROKEN HILL. 
Silicious Ironstone (partly regarded as flux). 
Pb Ag; ozs.| Fe %. Mn %. | CaO %. | Al,0,- vin ye, || SiO). 
1sys5) 320 12°4 16°8 1°5 6°4 1°4 20:0 
14:0 39:0 12°4 VAS Al > Pepa 8:0 ME7/ DDT, 
11-0 32:0 10°2 GSS tpi RCRA. wilt ees ove Ul REE aes 32°8 
15:0 9-0 10°8 SSO Mala syscas eal isn, o-eee inde ees 29:0 
11:0 13:0 10-0 GES RG atsoctccwe ll Uh cceas Rell orcas: 32°8 
16:0 26:0 118355) GSO Gl cease, dl eee I aN ses 28°6 
15:0 LO Hales ah ee |Veteaar ee td) hy Sere TE ee 29°8 
Kaolin Ores. 
Lead ¥ Ag; ozs. Fe 7 Mn %. CaO %. | AlZOs A: Ae $10, 
13'0 60°0 12°8 14°4 0:9 14°8 ls 33°0 
8:0 62°0 13:0 NR | eset 14°4 3°25 33°0 
8:0 SOOM Rosen corn lt coc: lt eetoseet. IP etcees le eae De eeeenes 
10°0 SOND erate sae Phil acs cseeen | ereeetece me! rere oregon: | cents at || MN ere 
8-0 IL} A deren) linn Sm a bee A aes |r ne Rt ne Ader aA Boos bree 
9:0 OOF sessed) IH SRR ait a|Ne See ay a) 8 corte a ha hae k ryt PR 
10°0 ANNE O J See nena (RN ree Te reer] NRL So | eee |e 
Carbonate of Lead Ores. 
Pb. Ag. Fe. Mn. CaO. Al,O.. Zn. SiO,. 
24°0 12°0 6:0 ° 4°5 0°6 8-4 2°0 30°3 
37°4 17°60 ould eS Siu lamer comet IWR feet cia. ll cence 25:0 
29:0 20°0 4-9 nae) waecces 8:0 2:4. 40°2 
150 SEMPRA re, a cemeg nai TASA READ GIR US” ery dll Qe awa Pha ae 
14°0 GZEO Ca eB ee Sa PEP ae eal end a cess HS ies ARES oe 
12-0 SSO fly cere || eke eevee cud lene shefctorny ob Ilk ters, cose UN Netstea tee | aaa 
15:0 Dosis Ui tall ae ara We A eer, 2 Ngee kes Sal ape ctr fae PR aoc 
17-0 ZOO alt -sesces- Ui A sSoea hill) cosacteial le maceariaeill. pateeeee. ll peeerets 
Crude Sulphide Lead Ore. 
Pb. Ag. Fe. Mn. CaO. Al,O3. Zn. SiO, 
28-0 19°0 3°8 TED epee gy) 16°4 PES 
26-0 16:0 3°6 12 alae tees 2°1 Ney; 26'4 
21:0 16:0 See cow C'llaicdec se kl Mae eeu eee 2200 iia hese 
24:0 VSO} | sites wi igs cetera Mun elaeee 40:08) | abies 
25°0 A Ole le Beackee 4 csee aden let eacteenetge al MM Sees a0) | noose 
22°0 POGOE al Wetescal Wea tna see eet etal Ibe ek PANY Nh eposde 
32°0 TBO) Mee le yee tel De a ee cee Z2OsO Meee. 
