Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1904-08-26
WILL DEVELOP
THE DEVIL s NECK.
Copper Property in Sierra Madre
District That is Being Exteu.
siyely Operated.
AT THE SOUTH LINCOLN.
Captain Stallings Has His Hoist in
Operation and viii Sink to the
Deep In This Mine

Don Mcguire, the eminent gcolog st
and mining expert OF ogden, who was
IN the city yesterday informs the
News that mining matters are pro-
crossing finely IN Sierra Madre district.
II miles north of ogden, IN which To-
cality he is heavily interested IN Il
number OF promising and valuable
properties,
In speaking OF the III Dorado. In this
| district. MI Mcguire states that as
sessment work Is being done ON the
| Devils Neck claim, for the whole
| group. This work is. being done on a
| Dig assure al point where some rich
| chloride ores were obtained sometime
| ago. The vein Is Ave feet vide at this
place and the ore occurs In manganese.
IN stringers or necks, and very much
resembles the high grade ores OF the
Ontario mine at Park city I'm the early
history of this great producer II Is
the intention of the FL Dorado COM
pany, of which Mr.. Mcguire is man
ager, to go In at point below this dis
covery and drift on the vein for dis
lance Of 300 feet and when this work
IL accomplished, It Is the expectation
that very rich and extensive ore bod
les will be encountered.
The exploration work above and to
the southeast OF the chief workings OF
the Bl Dorado, has proven the exist
ence OF extensive ore bodies, rich in
copper with fairly good values in gold
and silver accompanying that occur in
the contact between the limestones ana
upper quartztes at an altitude of about
5000 feet. The main feature of this
discovery Is that II proves the existence
Of hitherto unknown mineral lode
that exists I'm bonanza in this neighbour
hood and which extends some two or
three miles to the northwest. CONSTITUTE
ing what would seem 20 be one OF the
most extensive copper bearing fields of
Utah, The Gaping Of this extensive
area consists OF specular iron TO a depth
varying from 10 10 30 feet. and in width
from 200 to 500 feet Blue and green
copper silicates are in evidence along
the surface of this area It's entire
length, and upon penetrating the iron
for considerable depth the iron itself
cuts out and shows a replacement with
copper sulphides and siicates. which
increase In values as depth towards the
lime quartzlte contact II gained.
great portion of the work to be
done, during the present year, on the
El Dorado. VIII be carried out I'm this |
new copper discovery, together with |
the work being done on the silver chlo- |
ride discovery on the Devils Neck |
claim, already mentioned.
Work Is being vigorously pushed I'm |
the Napoleon and Mahera. adjoining |
properties, In which Mr. Mcguire Is al |
so Interested. In the development or
this property a tunnel has already been
driven into the mountain a distance OF
200 feet, and on the morning of the
18th inst. the night shift broke into The
vein In the 5O-foot cross-cut. This vein
Is n feet in width, and It's metallic
values average from 3 to 30 per cent
copper. 81 to 81 IN gold. and from 2 to 10
ounces In silver to the ton, Arrange
ments are being made to carry on Tho
work In this tunnel, forward from the
ore discovery, for 300 feet directly on
the vein, at the end OF which the great
Eulalia dyke viii have been reached.
When completed 10 this point the tun-
mel VIII have Vertical depth of 400
feet from the surface.
Mr.. Mcguire states that work Is be-
ing done In the district I'm the develops
nent OF other promising properties, ana
with most satisfactory results.