The Van Buren press., 1897-02-13
sEx way 70 rPEsr GOLD osr


ne aazxtz % softe5 =
/ There are fsvo general Daetaas2s q SEP
F azzsfag gBld frsm zhe z0es WIN sa4f.9
4 = ssssefazesi q : YEA i bon &c
ar s ~rfsa-st - ! eeFtsia asgE@e y
/ hasness. greater 81 iezs. aea9FaasiE 20
+ essruss1gf aaees- Tie SIT y taea
washed sra wafer sreF a aver g Easf-
F ei4rv. VITA " B5ea tae god ana - pa iszs'
o. s1ss 6peHasFs affez Prellliizf .. y
F r9sstzagI raized NH 3 chemical sou
F r.en ushieh dzssolres lile pFseio1s meta r.
Subsequently me gsld = recovered rem
tae saas ggan or he solution = tlri mr.
trszt neus. n fh@ system - when
ARK silver IS employed there : sasEzF
. certain loss e tae Preeioas Haef@i-
+ IzsSrzach a. ths rock is exceed zzlg )
hard. ssaa Is quartz. : y su5g sefsfi .
hea=F aanmsrlsg q the EHal sfage
q Du5gerizss zou sa5 II consequences
some q ne particles = god are Ia
tene1 lats tiny plates Or savers. 81
fear away wita ne rssd water sea
roo. tHe meebsazesI separation = asf
r.aife perfeef ard ; i5tfle Of he got0
stu remains inBetlaesa 10 The minute
BIZ q rock which g 81 a. refuse q
-rsliiagq - e = nssiIY 2 rather high
yraae ere which IS handed IN thls EaE.
"a. Joss = spt % be eizrs 2zrdeb. Baf
there has BEEN great tendency 70
warts mere econou zeal methods u
az ees=s. ard some . the chemical
processes aoze a. Fogae sre lveti sdagfefi
"a the treatment both q ~tailinggs and
e-grace ores
Attention has receatIg been directed
in England ard Australia. 70 still al
other plan Of insaring 1be recovery q
very large percentage II the gold
originally existing in the ore The main
idea Involved. that @ breaking up tie
anarfz b alternately heating and eooi-
in2 IT. j. Old. bat some q the details
II he process are be7F, and L IA claimed
for the so-caIied ~ore-afomie'= system
that il . more successful than any pre-
rioas attempt in the same direction.
Il the preliminary crushing the rock
a brought down only 10 small Jumps
Of Convenient size, and not to actual
poa6er. The material i then Inelosed
IN chamber from which the outside
air Is carefully excluded ard the cham
Der IS placed in a furnace. in which,
beside the fuel there are pieces d red
hot iron. i ief Of steam Is thrown upon
both the coal Tor cokeJ and iron, and
the result Is the Development q water
gas and hydrogen. These gases have
access 70 t6e chamber, and prevent the
oxidation 81 the metal. Indeed. II there
be any oxide 10 the ore it i reduce
BY the hydrogen. any sulphur which
may BE- present Is also eliminated, pass-
ing of in the form Of suIphuretted hy-
dFogen. After TIE ore has remained
10 the heated ehambe for tine, whose
length varies according 70 the compo-
sition Of the rock, il is suddenly
squenebeds By the injection Of cold
water Inasmuch ss the fragments t1
which this frat chill breaks up the
quartz are not ss small Is could "
desired. the water Is drained oH and
the series Of operations Is repeated sex
ersI times. Finally the contents Of the
chamber are dumped into tank. When
the ore is cool enough 70 be taken be.
tween the fingers. it erumbles into pow
der easily 10 heavy stamps are re-
quifed TO puIYerize the substance now
II Is alleged that there il absolutely NJ
loss in the form Of ''ioat gold" and NJ
oxidation, and therefore that all th'
precious metal originally in the orr
may be recovered.
In some experiments recently made
with the ore-atomic system in London
samples Of Cripple Greek and West Aus
trslian ores were treated. An Englist
weekly publication, Invention, declare
| that disinterested experts were pres
| ent ard assisted in the tests. 1t adds
"In every respect the results were mos
satisfactory. and unquestionably dem
| onstrated the correctness Of the prin
ciple involved" II Is announced tia
the West Australian (Gold District) cor
pSation has bought the right TO us
the ore-atomic system.-N. !. Tribune