Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1898-06-29

Largest Cyanide Flant m .. World Now
in Operation 10 M.rcur.

Accompanying % fine picture OF the
Golden Gate mill nf Mtfrur. tho I'm
giuCgfinE and Miulug journal gives "A
detailed account of itI mechanism and
workings from whioh Tie News" oulls
the fuliuwingi
Tho largest cyanide mill Ia the world.
the Golden Gate, nf the Mrryur mines
IN Utah, 10 operated BY electric power.
which ~ transmitted from the gaurfa
atlnE plant, "a distance ui ai MILES. ~
Mtrcur. al q potential uf l0.Oll volts.
The entire uutnt lH ~ West rhuuse
manufacture. and tktmpNnsa the HIGH
development that hts been made ln tha
construction uf machinery fur Ions ilt-
lance power irunrmI alUn enterprises.
The Telluride Power TauHmI HaIun
company supplies the power. which Dol
transmitted In three phases o. tn Gold.
go Gate mlll. This o. situated az tho
entrance Go the mlurH. % miles south.
west ~ Salt Lake cts. az the terminus
% the Salt Lake aud Mprcur railroad
The town % Merguf ls the business
ccntcr ~ thr camp Floyd mining Dis.
trlct, ana the Golden Cato mill REPRE-.
sruiH the most extensive application OF
TIE cyanide process tu ihe ores ~ that
region, The capacity of the plant ia over
600 tons ~ ore per day.
The min u u steel Htfurturc. situated
on the side 81 n steep hill which was
blasted 10 no 30 obtain level spaces "
Huiilciout width 10 provide foothold
Tor the foundations. Provision has been
made for minimizing the labor 81 con.
vryinr, by allowing Tho ore O. start az
the top ~ the hill ana proceed by gray.
ny from each level tn the next below
lu the course % the different ufoeaHaar
~ treatment. Tho buildings cover 4
acres buing 200 feet, lu width along the
ald" ~ ne hill aud go iro, IN length
up and down The Hiops The difference
IN vertical helEht between tho upper
and lower ends ~ the mill h over 600
fcci. The buildings nre shown IN tn
illustration, fig. l. which rtvsa q View
uf the entire plant rhr minee not
shown IN this figure. are situated below
the part ~ the slope that appears In
the Illustration. There arr oirht levels
In the min proper. Tho loose stone
produced In blasting out these levels
was used In building the foundations
ana rri dining walls. TheFh walls arr
foot Wide ~ tho tor. and have n hat
ter ~ IN r. They c0mprIT' over 3.
600 cubic yards ~ rubhic masonry. laid
IN limo mortar. The structural steel
work ~ the building contains over g.,
10000 Ne, ~ metal
ln the transmission ~ power % Nor
cur, The loss ~ electric energy ~ ex.
tr,mrly low, being scarcely 9 per cont
IN that dry region. hirh potential lines
require but little attention. ana WASTES
nrr reduced tn minimum. current o.
delivered to tho mine nt 500 per a. r..
per year, with minimum consumption
~ 800 n. r. stipulated. Tho trans.
former house, whl"h contains tho np.
pnratuH FOR converting the current from
90 900 volts. thrro-rhuHr. b. go volta
two phnH'.la located between the shaft.
house and the mill.
The cost 81 tho min and equipment
was about 100000. A. the limo the
Golden Gate min was erected. sune
doubt was folt ~ b whether electrical
machinery would be- found lirpu tts
turned out, however that tn electrical
apparatus N the most Trustworthy and
reliable rlrt " the equipment ~
crusher becomes rlogEld % lF uruhlly
tho case that q belt or rcni viii FIye way
before the motor becomes snlled