New-York tribune., 1879-11-12

l. and was located In july. 1873. Besides these
there are the Bonham. the Peabody, the bulidoIer
the Edison. and perhaps Que or two o'ners; e. n y,
which are, TO say the least, good prospects SOM
of these claims are already IN lugatl"i anu VIZ
never be fdiy developed until the question oi '''
is settled.
The GOLD belt Of Bingham Canon extends in a
uorthcasteIly and southwestery direction Tor a uis
tance of about half mile The VEINS, or 'epos''s
are of varying thickness, and nHarabiy nitch Z"
the north In the stewart No i the Piich Is T'r
of the hlll. while in No. >, being on the o.nNi
side OF the ridge, the pitch Is m lie country i"o~
rs Quartzitc and limestone the latter oelne .. S",'
times above and sometimes below the ore deposit.
The owners of the Bingiiam Roid MINES 'n"N ; 'm''
thew are enormous true hsSufe Nelhs W ." ,a u
nation Of the geological formation ana ol inc oi'
bodies must thiuk, convince any one VINO y @ llo'
preiudiced that they are beds oi ore depu'Ieu W.. WI
the rocks were formed Ihc slfa,a ".S, S ~ ' . d,,
the auriferous deposit are eNidsnty VI tno d
sandstone formal ion converted INTO qnartllte anu
limestone Where the sllex predomlnateu III 'nc
rock IL Is now Quartzite where lhe cA'iuui ""s ~
.xcsss n il now limestone and where there was
much clay as happened IN a few INSTANCES, IL
now slate. The Quartzlte, the hmeSlohe % uuu '"o
Slate sometimes shade off into each other, TIE me
between them not always being wei uehieu' III
some of the mines porphyry dixie appears De'Nee"
two bodies of ore. ,
spongy i'm appearance. The metal was probably
precptated by IRON which has since been discover
out of the rock. In some instances me siah oi ,e
IRON remains colOnng the ore n reddlsh-Dr0wn' out
IN others that STAN seems to have been wasneu
out aud the ore is white as though II had Deeh
blenphed Some expert WrlttrS upon tue
gold mines have published the opinion that Tue ue-
posts are much more valuable where they are now
being worked, above the surface, than they VIII oe
below wateT-l ne. and that ultimately nOh WIl.cS
will be found mixed with the ores in such quaint,
ties as to make the reduction Of them Clhcult anu
eXpeuslve-tOO expensive, perhaps, 10 leave any
margin OF profit IL the operation. This the owners
of the mines are anxious TO dscred, lof upon % ,ne
continued absence of iron pyriteS and oiher pasc
metals and the free milling character ol the Oie ue
pcnds the permanent value OF the properties
ID tt
workings either OF the Stewart No. or OI any oi
the othor mines upon which WORK mas oeeh pi i"so %
cuted. noticed That in the lower WORKINGS OF the
Stewart No. l the oxide of IRON STAN IS much
deeper than the In upper levels which would be very
natural If the pyrIies had been leached out DI ne
action of water, as Is genelalH supposed. IL Is
also true that IN every siyer-ead mne III Bingham
Canpn iron pyritcs have been found IN enOr-
nous quantities whenever an attempt has
been made to 20 down TO what miners call
" the deep" that Is. below water-nark, ana
there Is very little reason 10 suppose tnat the eOd
mines Mich are found IN the same formation VIII,
"a their lower depths. be free from the same trouble
some metal. A large proportion Of pNrtes IN the
would Increase the cost OF mining ana reducing
IN two ways. Ia the nrst place, while the ore lgnu
contain the same amount of GOLD 10 the cuDlc
fliuOm that which Is free milling. ITS WelEht
would be very much greater, ana rs the cost oI
getting out and handling ores depends upon tner
weight and not upon their bulk, that cost VIII Ol
be increased as the density OF the rock De
greater In the second place, the presence ol
pyrtes Ia large quantities makes II lnPos>loie 10
Mtll ores until the sui phur has been removed Oy
heating in "a tUruacc-a process which Is very tN-
peuSivc and which would eat mp the product OF low
gsade ores.
But even If the gold ores of Bingham Canon do
not hold Out below wateT-lne, the mines are siill
very valuable and Will be 50 for years 10 come In
Stewart No. quite extensive developments have
already been made, and the explorations are beng
pushed much more rapidly than the ore is being
t3ken out. Already tuerc ls enough gold quartz
in sight 10 supply large mill t0rseveral years. ana
tine ground above the watcr-llne can a. vet hardy
be sand 10 have been thoroughly pTospcctcO I"c
| owners Oi If, who are wei known 1Yr tAolr
cnu-erva ISM ia K of ere ting a 12O-staup mill in
! tue Spring. By that time much more of the mue
Will be IN sight tnau now. At present The stewart
/ $40. Is pIOuucing about $4,000 month n "a
twenty stamp mill. The yield is from SIX To eight
dollars ton, ana the cost of mining and milling 50
little thlt large profit realized by the 0p ration
ot the mine. Tie stewart NO. was located IN july,
lo1o. and its developments consist of tunnel 100
feet ioue and shalt or incline eighty feet below
tine lowell of the tunnel. The bottom Ot the latter
ls l2O feet below the surface The ore m tins nne
ASSAYS hlgler than tha m tuc older one oi the s1no
name. but 10 not know how 10 has turned oui in
tire mill. Tie quartz Is very rich IN the bottom oi
TIE Incline, ana seems TO he Improving as ihc sluk-
ing goes ON. The other gold mines IN Binghan
Canon are preparing for large operations. Ia the
Old Jordan Mine-a silveT-ead mine that 10 has
not lntely been profitable u wOIk-a large body OF
gold ore is said TO have been discovered and opera
/ lions upon Il have been began.
shall write OF the syeI-ead mines OF Bingham IN
/ another letter. Il. l. W.