El Paso herald. (El Paso, Tex.) 1901-1931, 1913-01-01
MINING NEWS
MAGMA MINE IS
SHIPPING WEEKLY
Calumet & Arizona Is Work
ing Force Of so Men in
Assessment.

Globe, Ariz., Jan. In the SD
perior district Of Pinal county, Ariz-, the
Magma Copper company is shipping
about 100 tons of high grade copper
ore weekly to the Ell Paso smelter
The ore is chalcocite and bornite,
carrying high values IN gold and sill
Yer. Virtually all ore produced at
present is taken from the development
work, and very little sorting is done.
About so men are employed at the
Magma at present. Construction OF lhS
power plant is finished. 1t contains
Two sets Of two 100-horsepower Doll
ers, using coal for fuel, and niger
soll-Rand Imeprial type, No. no, con-
pressor. and -Dunn-GordOn
cross compound compressor The
power plant is automatic, only one
man being required TO operate II.
Beside the power plant the equipment
consists of a hoist operated by com
pressed air, situated in an adit be-
meath the surface, an office building,
living quarters for the men, mess nan,
an uptOdate assay office, and ware
house. These buildings are about one
quarter of a mile from the mine AT
the mine a blacksmith shop, carpenter
shop and change room are situated.
The Magma mine, about one mile
north of the toWnSite of Superior
was first worked in 1874, during the
mine was known as the Silver Queen
and considerable rich silver ore was
shipped from the property to yuma
About two years ago, the Gum,
Thompson company acquired control 0L
the property, sank a shaft to the Goo
foot level and crCsscut the vein, en-
cOuntering high grade chalcOcite in
the form Of a shoot over 12O feet long.
It also sank to the 500 foot level and
uncovered high grade ore at that
. attracting
siderable attention throughout Arizona
because Of the remarkably rich ore
that is being extracted
Has Force of SO Men.
The Calumet & Arizona, about three
and one-half miles southeast from
Superior, is now employing about so
men, considerable Of whom are -aeXl-
cans. A three compartment shaft IS
being sunk there and is about IS feet
deep at present. A majority of the
men are beingAemployed in assessment
work. constFuetioE Of tent houses for
employees, teamin s, aetc- Superintend-
5ent J. K. s1foeper, formerly with the
Chemug zteESsin the Copper
is being sunkSse1 the limestone and
quartzite contact upon which the Mag
ma Copper cOQ{aany and Lake Superior
& Arizona properties also are located
greSs and the strike IS from the north
west to the southeast. The property
has been examined and fayorably re-
ported on by chief geoIegist Joraie-
mon. of the c. & NJ, at Bisbee. The
method Of exploration undoubtedly
VIII be the same as that at the c. & \.
at Bisbee- An electric power line is
being strung from Ray, about "A
miles distant a substantial head
frame is being erected at-the shaft.
Black Diamond Works Small Force.
The Guggenheim Exploration com
pany has a small force of men en-
ployed at the Black Diamond prop
erty about one mile northeast Of the
Silver King. Work is being carried
on by means Of an incline shaft and
. tunnel. A raise is being lifted on
the line of contact from the tunnel
The ore occurs in heavily mineralizel
iron manganese -gossan which overIies
the diorite intrusion.