The Idaho recorder. [volume] (Salmon City, Idaho) 1886-1927, 1907-11-28

Wlde tnat contains values In gold
and silver ranging from TO ten to fifty
dollars per ton. fhe best ore Is d
ilinty, chalcedonic quartz and the
vaIues lie in wavy lines of black ar
gentle, The development consist
OF Il shaft 800 feet deep With three
levels. Sinking Is now In progress
and new level will shortly be
opened. The raises, shoots aud bins
/ in and about the mine are all full of
loose ore, ranging in value from $40
up, ready for the mill While not
base ore, In the common acceptance
OF the term, the product OF this mine
has proven difficult TO treat and an
immense amount or money mas been
spent in milling experiments to that
end. The values are exclusively gold
and silver. the latter In the form OF
argentite, and it would seem should
he easy To treat after the remarkable
success and low cost OF treatment In
similar ores in the Owyhee county
bcnanzas. This ore, however, is
very bard and requires fine grinding
for its successful treatment. A
splendid milling plant is established
on the property of lifty tons daily
capacity. consisting OF six llendy
quadruple discharge stamps I'm separ.
ate mortars, and two Bryan mills or
fine grinding. part OF the present
} plan OF the mill is brick construct
ed roaster with which TO roast the
ore before going TO the stamps, to
facilitate the crushing. After roast
ing, the ore Is crushed In a cyanide
solution and ground in Bryan mills.
agitation of six hours, after which
10 per cent OF the values are extract
, ed The roasting plant seems TO bt
, the present sticking point OF the pro
cess. Owing To the faulty design in
the latter, it seems impossible 10 ge,
labor TO move the ore through this
, device, and. although IL had ,pnl,
/ been completed month, it was idl,
> at the time Of my visit, for the above
, reason. and appeared To have failec
/ Of its purpose. The same result
could probably be obtained by the ad
dition OF "A tube mill In place OF th,
q Bryan mill, which would avoid the
| necessity OF roasting, and produc,
/ the same result at less cost of fuel
\ The company Is now considering th,
, extension of its water power plan
n and the installation OF such a device
: In the meantime the shaft in tn
\ mine is being dropped another I0'
$ feet and its deeper development con
tinued, and with the showing OF or
-, now exposed in the property IT is sin
:. cerely to be hoped that ultimate sue
cess with the enterprise will he Oh
tained.
: The yellow Jacket district Is quiet
and there are hardly any mining op
erations in progress there worth men
u, tioning nj this time, although th
. district contains some very fine pros
poets that warrant further develop
~ ment and operation.
n The same conditions are true q
o the Black Bird copper district.
n miles further northeast on the route
y This district has some immense dC
/. posits CT low-grade ore that carrie
. proportionatey high values in gold
n amounting to fully &c cents in gol
for each unit OF copper contents {
the ore. In addition 10 the gold an
!, copper, the ore deposits Of th
4 Black Bird district are noted fC
:, their cobalt and nickel contents
&c Some remarkably fine bodies OF coba
n sulphide ore are exposed at s.yeri
y transportation this important mil
"a eral district j. likely to lie heard fro
l. in the future.
N In the old I.eesbutg basin plac,
m district, ~ miles west OF Salmr
id City. some promising gold ore deye
[. opments have been made in the pa
D year. At the old Garretson min
5. on Arnett creek, Mr.. Newton Hibl
N has been making some test mill rur
a recently on zone OF mineraliz.
Iy granite that is 10 feet wide ar
ID shows average values OF 81 10 ~ p
Ly too. and is said To yield 81 per ton
h free gold.
" Within half a mile OF the old TOW
ID OF Leesburg, the Gold Ridge mil
ar has developed an enormous deposit
a. gold bearing quartz. II has a coup
H. OF thousand feet of tunnel d-yelo
De ment. exposing a body OF kindly loo
ing. miik-white quartz fully 100 fel
; vide in a granite formation bounce
at on one wall by a soft vein Of blue Ia
Of from two to four feet thick, and
is said to contain average values of
s. per ton. Some OF this ore is rich
la impregnated with iron pyrites an
I'd honeycombed oxidized quartz, ar
ct makes a splendid appearance. II Il