MKTAU.i 



r* b low grade, the gangu* 



.1 th.- 



*rtj 

 lr arw 



ie* 



hrr* ll 



^a* was flrst suHMfully earned >ut i: 



tllirdttlth 



iiiing partial*! ..r h *.,|.| * ouarte ** the me** 

 ling b oiir that f. 1. .-ut ml or aUgfctljr alkaline 



' 



. 

 lev! barrrU ur 



'.ep bmrrtrl* i*. 

 .iiMUadofft. TWtltoriM 



IP^WBW ^WWMMI VMS) * 



:~u. <**Jf**biwftaajdbraa***a) 



' 



* al A! ataffl 4aY I ftaflt vAttMwav aaJati ti^aiam wars! vaaMaflaaVaA ^4*a^ 







THe Aastratfeas have at the asaw Use 



*rrrl. and lh* al ha- 

 ai the Mount M.xgaa mine. grasOv aa- 



of ||.. 



tird u-for- Uaeaiaj K.Ht.m,^ . a n 

 without an appreciable ! of { 



but thr K- 



rradily atta. k.-l 



with n w 



bam found in many .- 

 In nmking laboralrtry . v 

 us for planning a mill, ohssji 



A Mil 



A . 



f UMgi.l.l ... (lie 

 inalion U h.,w the 



.. . BJHBi 



I.H! part of the liatt 



r the recovery of the gld at 



atvrral work- in ."v.titli \ 



gioniernti^l and precipitated L\ th. a<lditiun of 



liim r in win, ' 



agitation 



dilute !M'liltli.li 



-' Th* gold b deposited 



, tr..lyti, art i. .11 iin.i.-r th.- ^bllMinS Hsbkct 



lie process b *aiy with th- ft- 



Haas in course of treatment at thr works; but in 

 cumulated slimex, in which oxidation ,-f tt.. 

 hastakei 



i* Milpludf anl h>:- 'hdrawing 



Dilution prevents the dis- 

 i diHlcultN 



.rtillnally. for which imrpos* 

 r poUssiuin |H-niinii^nii.r tuwd. 



in West Australia, con- 



-..ItitL.n.. . ith.r t 

 tu 

 Thr psenliar f eat ur* of a 



tot 



aew prooa..., P. 



nnc foU rniafHi in 



, : .... : , ..... ... 



th* fllms ofgold aad aMks the 



b to b 



In th* 

 old on-, t hr fnrmet 



of A 



of bfiek- 



bb of roMUBf Ulf toa of on at a rt*rf. TW 

 or* b crmbad to 40HMA eoMMMMs, Md UM 

 low 



,-,--...: ,-. - . 



- tlr-t half hour the ore to 

 ndinii..n ,.f .,r. and it i. dunn* thu lime that tW 

 couvOTtoob said to taa* plat*. A blast of hot air 



. 





; , 





tf,,n in 

 isttb- 



' a furnniv and to t) 

 nmi h\.ir.. .-.-!, . .- 1 IK- oiilphur in the or* 



t Mllphll- 



r-lmrl 

 - U-ittc thoroughly heated thr 



i|l|i-lich.-.! 



v nter. Thin o|n>mttoii U rr|ratcd MM i-rnl times 



limwn in- -Id b srparatnl 



timed that in tin, process no 

 r by osidatioa, 

 at all the .-.-id in tho ore b reooverit 



. hlon nation process for 

 Id from it* on* lies man 

 n of improTecn*nts in the merhsni< *l 

 hareuse*! :^ate.l !? 



,- a-tion zvrted by ,-h!--nne on 

 <xi sulphides in oras by adding salts such 

 the mixture hare now apparently been 

 abandoned. Amon* the recent mechanical im- 



HaioftktUlalrtki 



: - 



rt.1. The produrt is grouod after rt^lii 

 tab condition the or* b r*ady 

 While lead and stUrr te the or* ar* 



^sthsr- so that whm ot. 

 .44ainol and i -.brother-ill 



ructiraU* and the* 



a smelting center b too great for the |rrr raJae of 



an ore to bear iraaapauitiBf to it ; then its trmt- 



NCUSBSS aaeassmrr. Very marked 



:..,-, . . 

 .-.-' 



of or* charge*. 



gnalar ear* in th* choice and preparation of the 

 wre perfect arrangements for the cotlec- 



has found that redaocd rilrerkept 

 of paoapaorus at *t' C. b sl^H 

 iato a doianU phosphide, AgP.. hicn 



