The Idaho Springs siftings-news., 1906-09-22
BIG GEM MILL
An IMMENSE PLANT TO BE BUILT At
kEWhoUsE TUNNEL PORTAL.
PLANS ARE NOW BEING PERFECTED
WILL CONTAIN ALL THE LATEST VALUE
SAVING MECHANICAL DEVICES.

Mr.: Henry B. Clifford, a prominent
broker and banker with Offices in the
Waldo,f-As.oria, in New York City who
is prom oting the Colorado Mill, Smelt
er and Power company, prom ses to revo
lutionize the milling industry in this
section by the Introduction of modern
methods IN the handling of the medium
aud low grade ores. At present Mr..
Clifford is reticent in regard to his plans
hut enough is known from different
sources to nj Ike it certainty that in
the neighborhood of s. 10000 will be
spent to carry ou, his practical ideas in
the matter of ore treatment and that
after the preliminary work will at
once be startad on an immense milling
plant near the portal of the Newhouse
tunnel.
Mr.. Clifford and associates have Sc
cured from the owners of the Gem
property an option on the entire Gem
holdings, carrying with it the prlvlleg' :
of q thorough sampllng and checking
over of results obtained by the engineers
During the past m ,n.h a number of emf
nent mining engineers have been en-.
gagged IN satnpliug the headings in every
portion of the property, and experienced
cyanide metallursi sist of wide reputation
is now engaged in applying meth DDS Of
low grade ore treatment to secare an
slmost CO uplete extraction of values.
The plans of Mr.. Clifford as far as
known include the erection of an I'M
mense mill in units, having an initial
capacity of 1000 tons every "a hours.
the main points in its equipment will be
the automatic handling Of every pound
of ore treated, the separation of ore by
automatic. classification; ball mills for
fne regrinding, aud the operatio IN Of
every moving III achine direct connected
to a separate motor. The most approved
and latest scientifically correct forms of
concentration. amalgamation and cys.
nide treatment will be adopted on an
immense scale.
The initial crushing capacity will be
adequate for the reduction every hour,
and system of ore bins and grizzlies,
with automatic couveyors, will give
ample faci tiles for the handling of an
enormous tonnage.
As there are q great variety of ORES en-.
countered in the Newhouse tunnel aud
the section tributary to it, provision
will be made for every kind or combi-
nation of ores that can be br ought TO the
mill, and with automatic sampling de-
vices the method of treatment can be de-
cided upon as easily as the beds OF com
plex ores at the smelters are analyzed
to determine the quantity of flnxes to be
added before it is sent to the furnaces.
Several days ago, Mr.. Clifford closed a
deal for the DEVILS Gate and water
rights above Georgetown, near the far
famed loop, aud is his intention to util-
ize the water power for the generation OF
electricity for the operation OF the pro-
posed new mill He also has under con.
sideration the erection Of several other
auxiliary power plants when the same
shall be needed.
-
nuost aggressive promoters in the East,
and the fact that he has examined the
resources of this section and has decided
to erect reduction plant of immense
proportions for the treatment of the pro-
duct of the mines, will give an impetus
to every mine operator and owner on the
line of the Newhouse tunnel, As It will
mean the ma king Of paying propositions
out of those mines which cannot be op-
Grated on q small scale and yield profit.
Among the half hundred or more veins
cut By the Newhouse tunnel there are
many who have from three to eighty
eight feet of low grade ore at the point
Of intersection. Development of these
veins will uuquestionably, a. have been
proved, open up bodies Of higher grade
ore, 1t is conceded that rock containing
value. OF only f. or s. per ton. can. il
taken ont in sufficient quantity. be treat:
ed at . profit when the output is several
tons day and the proper methods
adopted fer saving the values.
It 10 estimated that all grades and
classes of ore csn be treated at an aver
age cost not to exceed 81 per ton,
while the mining and transportation
costs need not be 20 high as that. Even
fthe profits accruing from q ton Of ore
is but ten cents 1.-THE cost Of hand ling
ore with q shoveD and from 1000 to
1000 tons are treated every "a
hours, there will be immense profits on
the cost Of . plant.
&C. P. Rinker, Of the Blue Ribbon
vBmpany, was in the city the fore part
Of the week, returning to Denver