The Cook County herald. [volume] (Grand Marais, Minn.) 1893-1909, 1905-04-29
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Cant. vood discusses ethod III nl4
ployed Is Work it III n
Tho follo wing article, which appeared
recently ia the Wiinnepeg Free Press esg
may ia Of psrticular interest to many
people is this count 81 s3s: ~
Capt. Wood, ia charge 81 OPERATE nlsa
the iron property of Hunter Brothers Of
Duluth and MoK cellar Brothers 81 Fort
William, is . interview with . Free,
Press correspondent stated that ct the.
mines there is now 9 force 81 thirty men
engaged stripping the surface and work:
ing the diamond drill which q being
employed to work the property. This
diamond drill is being used systemati--3
cally with the result that one body has
been proved 1900 feet long and 200 feet
deep. Prospecting has been further
carried on by means Of tunnel which
hasbeen driven through the hill showing
the deposit The result Of the pros
pecting to date shows that the value OF
the ore. increases with the depth, that is'
the percentage of iron is greater. Az
there is considerable iron ~pyritesi show,
Ing IN the ore and as iron pyrites is
combination of iron and sulphur and
. Z t.a rTt-
the presence OF sulphur has been gener.
ally considered to condemn any ore OF
IRON as source Of that metal, the cor
respondent asked Capt. Wood if the
pyrltes in evidence in the ore would not
condemn it. TO this question the cap.
tain replied AT one time it was gener-
ally accepted principle that q per cent.
or over of sulphur in an ore would ruin
it, but late improvements made in meth
DDS of smelling have overcome the diff
Guilty connected with the presence OF
sulphur. The effect Of sulphur beng in
an ore when smelted is to make tho iron
brittle. The process now is to roast the
ore preparatory to smelling, which over
comes the difficulty
"a roasting simply burns out the sui
phur, would not the same result be at
tanned in the. smelling of the ore?' was
the question put to Capt. Wood. NO.
Strange as it may seem, it is found that
if the sulphur is totally driven off by.
heat ere the metal is fused the iron that
then results upon the mass being fused
shows mono of the effects of the sulphur.
This is the principle upon which this
iron is smelted, the waste heat from the
blast furnaces being used to smelt the
ore?'
"'Will not the roasting of these ores
affect the vegetation in 1.-The vicinity
of tho smelter?' No. the percentage Of
sulphur IN these ores does not reach
over 3 per cent. at any time and the
roasting of three per cent. ore will
! never affect the atmosphere by loading
it with sulphur fumes. At Sudbury and
wherever a pyrrohotite ore is smelted
the. fumes from the sulphur are very.
strong, but then pyrrohotite contains
generally over 80 per cent sulphur
"'What class of smelter is to be erect
ed at Port Arthur was asked. The
smelter at Port Arthur is to be OF the
very latest pattern and Of one hundred
tons per day capacity, which will be-
later on increased to 800 tons per day.
The Needing and the Mcintyre rivers
are both to be diverted and their COM
bined streams to be turned into an arti.
fetal channel to be dredged. On one
side of this new stream will be the
smelter and on the other will be the
coropany's docks, factories, etc. The
Stag will be used to ill up all the low
land which lies between Fort William
and Port William and in filing up the
shallow lands laying adjacent to. the
to the smelter site, which are extensive.
Large quantities of Stag will also be
used for ma sadamizlng purposes in the
two towns, 1t being an ideal pavement
becoming impervious to water on being
once rolled into place.
The location Of the iron deposits are
three miles FROM the G. N. r. and 40
miles from Port Arthur"
A Trip to a Star.
Minneapo Journal: Let us sup
pose railway to have been built be-
tween the earth and the fixed star Cen.