Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1901-12-21

feet In the main incline shaft. Silica
Increases and also pyrlte aud with
these changes there Is an Increase of
gold values and az the vein carrles
downward II increases In width until
at a depth Of zoo feet It reaches a
thickness OF 200 feet II measures "A feet
IN les cross cut and at 400 feet lt mca-
Burfs ~ feet with a constantly increas-
ing value In sold, ana an exceedingly
good value In lead and silica The
working and opening OF this great vein
mas been ditlcult and expensive but at
present writns It is IN very advanced
stage Of deYelopfTnt on the 400 foot
level the vein is mterseoted by tun-
mel over 900 feet In length, serving the
triple purpose OF drainage, ventilation
and an exit for ore and waste and
vertically this tunnel cuts the vein
about 700 feet below the surface.
The ores Of this property require con
ccntration for the purpose Of proftably
bending the Immense tonnage In slqht
insomuoh ms the ore carries a large PER-
centage OF silica and pyrlte. II ISL
however, an ideal concentrating ore
and in its open workings there Il now
enough ore 10 run 200 ton plant for
q long period OF time.
Along with the values of gold, silver
pnd lead continues In the ore OF the
hldorado vein there appears small
perccntagc Of copper which IL almost
certain TO increase when water 10
roncbed IN the downward workings
The copper so far found consists OF
cnelcopvrite running with the galena
and pyrlte and amounts In some PARTS
OF the workings to about three per cent
or me gross tonnage
The presence OF copper in this pro-
perry IS not confined 10 the Eldorodo
workings There was discovered dur.
ing the mast autumn n very large vein
N me san Iuandel which is abou, 7
rect IN width on the surface This
vein occurs In syenitc, Its values nre
clear cut and che vein rune Distinctly
for about 40oo feet. Several plts
have been sunk on this vein
In each OF which cooper runnino In
''lue from 10 10 per cent. Thea,
pits are yet quito shallow but rho
values In conner discovered prove tho
eNceVent nature OF three other veinq
similar 70 this one. Sierra Mndro
mountain IN which copper is the chief
H''e'uc VAIN, the one most conspiru-
Gus NEXT 10 the San mandel Is TINT
round running parallel To the eold
n'a"'nF fssure vein on the Prince OF
Ir'in prorn ~
fhls conner vein very much rese,n.
h'e' drkn only TINT througbout its
'0"her values are verv consnIcuous ho.
ING IN 'o"e n'ooee ae high as thirty per
cent Of the rcd metal, ~
OTHER PROPERTIES.
ON Sierra Madre mountain there ara
HDout Ton groups OF claims. These are
tne Eldorado United group, the Cath.
!ues' Montana, Vulture, Santa Maria
mexican, Copper Queen. Kllcan, Blue
EYED Nelly ana Prince Of India. Con.
siderable work has been done on each
oI thc above groups, but the chief work
mas been done on the Eldorado ON
WIllch up 70 date almost 100000 has
Doen expended next comes the Montana
lQlioWed by the Prince OF India ON
Wnlcn long tunnel has been driven
winch Is now within 2Q6 feet of the
Prince Of India gold vein.
me veins of this mountain COMPRISE
assures carrying gold IN some eases
copper IN others, next a series OF 1al
VEINS that are entirely gold bearing
ana yield from 81 so TO 81. 80 IN yame nor
Per ton. Next come a series of contact
VEINS. gold and silver bearing. and nnxf
me slyer-lead veins that occur nm I'm
the slate and limestone measures that
lie above the older quartztes. sull