The Calumet news. [volume] (Calumet, Mich.) 1907-1938, 1910-07-08
IMPORTANT ORE
| FIND AT s. & B.
PRIMARY SUlPHIDES ENcoUN,
TERED BY DRILL FROM GOO
LEVEL OF MoGAW SHAFT
-PRo5ERr REPORTS.

Frank II. Probert, consulting engi-
neer OF the Superior and Boston Co.
says
IN our recent diamond drill work
from the COO-foot level Of the McGaw
shaft We encountered. outside OF the
main Great Eastern VEN. primary sui
phides consisting OF pyrite and chal-
copyrite. This is the first time that
primary ore has been uncovered east
Of the old Dominion mine and is. I
] believe, sufficient evidence 10 confirm
DEMONSTRATIONS made not only by my
sell on the eastern portion OF the
Globe district, but by number OF
other competent engineers who have
visited our part Of the country.
Il have always maintained that the
abundance Of Micaceous hematite.
which has been followed by the rich |
lenses of carbonate and glance ores.
was but an Indicator and a direct (
product Of the primary sulphides 4
which would be developed al greater /
depth. The proving Of these conten-
tons is highly satisfactory 10 the SUI
perior 4 Boston CO.
IT IS also Of vital economic impor-
lance because it promises a solution
20 the successful treatment Of the con-
centrates from the low grade. so-called
porphyry deposits Of Arizona. Sui
phur Is absolutely essential and only
by a judicious mixture OF the oxides.
sulphur ores and the rich chalcocite
Concentrates can the Globe district. as :
now known, be self-supporting.
i do not think il viii Dee a very ex- ,
ravagant statement 10 make. that u
within the next three years the por-
hyry mines will be catering 10 the /,
Elm mines for the sulphur ores. More
YER the water, which is developed
nd known 10 exist in the Old Domin-
IN, Arizona-Commercial and Superior
, Boston properties will i'm the near d
lture become an asset, because OF s
he quantity necessary successfully to o
'iil the ores to be mined from the >,
liami. Inspiration. Keystone and Live =
ak.
! am pleased 10 be able to report .,
nat further development eastward on :,
he Great Eastern vein 6OO-foot level
proving up a second Tense OF high -.
rade ore. averaging per cent which
e have not seen heretofore I'm the lev
$ above. The exposure Of this tense -
particularly interesting and valuable y.
aeauSe IL suggests continued develop -
ents on the Great Eastern mines and -
ay open up other valuable lenses
hich we have not figured on. ~
"The developments at the Gardne,
aft continue 10 be very satisfactory. ih'
ne Wine from the 4OO-foot level IS TO
w down about 100 feet in ore which M
u average 6 per cent and. having II
en- a high iron content Is eagerly SD
ught after by the several smelters I'M
ndling customs ores at Fl Paso ana iir
obe. As yet we have not proved the is
9TH Of this vein but know from the co
% Of the Wine that ii will average
sht feet OF shipping ore. The indica. an
ms are most promising and anti. flu
'ate the continuance in this grade Is
ore for some time TO come. Indeed tor
am rapidly coming TO the conclu-
ms that the Gardner shaft will. Blu
ipse the McGaw and Great Eastern COZ
its ultimate development of ore re- lor
-ves and output."-By wire from str
ston TO Gay & Sturgis, Calumet. Ion
sol