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/ fi^rrt
^•'X.<^ J:.K-e.-^ ^■^'^■'*-'^ ,X<^^--^<^ ' ^"■i^-- 'f
i - If^i
THE JACK FISH LAKE
Gold & Silver Mine,
LAKE SUPERIOR, ONT.
1882,
*f
r-t.
THE JACK FISH LAKE
GOLD AND SILVER MINE.
The property consists of a mineral location on Trhich there is a
rich pold ^.nd silver bearing vein and is known as " The Jack Fish
Lake . 'ine." It may be more particularly described as mineral loca-
tion H \, near Jack Fish Lake, in the township of Moss, in the Dis-
trict c Thunder Bay, in the Province of Ontario and Dominion oi
Canad 'ysk' containing 160 acren.
The
der Ba
rty is from 85 to 90 miles from Fort William, on Thun-
'm Superior, by the old route. By the proposed new one
it is disl nt from Fort William about 110 miles. The Canada Pacific
Railway 'o;iv passes within 40 miles of the mine.
This rii'- vJin was discovered in 1871 but the mine has not been
systematica y worked heretofore for various reasons, the chief of
which were ohat at the time of its discovery the Indians of the dis-
trict had not been settled with by the government, and they forbade
mining opera! o^ on a large scale till they were, and during the life-
time 0* the lutelCaptain Frue, of Silver Islet, one of the early pro-
prietors of the \nme, there were no Railway facilities. But now the
Indians are settled with by treaty with the government, and the
Canada Pacific Railway is constructed from Fort William to Winni-
peg. It was advertised to be open for traffie on the 18th of this
present month of September, 1882.
8
The most convenient access to the mine now will be via The Can-
ada Pacific Railway from the town plot of Fort William to Savanne,
a distance of 70 miles ; thence by boat, via Savanne River and Lac
des Milles Lacs (which are both navigable), to Barril Portage, about
25 miles ; thence by road to be made to the mine, a distance of about
15 miles. Savanne can also be reached now via Winnipeg and the
C. P. Railway.
The title to the property is derived by patent from the Crown and
subsequent conveyances in fee simple. It is held free from incum-
brances and is not subject to royalty or other crown dues on the
minerals.
At the instance of the late Captain Frue, who became a purchaser
of an interest in the property shortly after its discovery for a large
sum of money, the mine was examined by Mr. Walter McDermott,
Mining Engineer and late Assayer of the Silver Islet Mining Com-
pany, and his report is printed herewith.
By the more recent report of Mr. Peter McKell/r, of Fort William,
Mining Expert and Geologist, and the certificates from the two well
known Metallurgical Houses in New York, Messrs. Ledoux & Rickettsj
and Messrs. Mathey and Riotte, published herewith, the results of
thorough practical tests are shewn.
The report of Mr. McKellar, and the certificate of Messrs. Ledoux
& Ricketts (No. 1), shew that a sample of the high grade ore from
this mine yielded on assay at the rate of !$5,97L60 per ton of 2,000
lbs., or gold $4,752,03, silver $1,219.57; and by the same report and
the certificate of the same firm (No. 2), it is shewn that by a large
assays, after crushing and sampling a whole ton of the average ore
ot this mine, the averagje ore yielded at the rate of $49.28 per ton, or
gold $36.30, silver $12 j(8.
The certificate of Messrs. Mathey & Riotte (No. 3) also referred to
in Mr. McKellar's report shews the ore to be free milling ore, and that
the tailings can be concentrated to advantage afterwards. By Mr.
McKellar's report and Messrs. Mathey & Riotte's tests and certificate
it is shewn that a ton of the average ore of this vein yields by free
millii-g at the rate per ton of $26.24 gold, and that the concentrated
tailingfl are worth $82.43 per ton of concentrated ore or gold $76.62,
silver $5.81.
Mr. McKellar's report and that of Mr. McDermott contain a de-
scription of the property and estimates of its capabilities and from
these the character value and prospects of the mine can be judged.
REPORT OF MR. WALTER McDERMOTT,
JACK FISH LAKE LOCATION. — SHHBANDOWAN.
In the winter of 1872-3 in company with Captain Frue, I visited
the Jack Fish location, which is situated about 85 miles west of
Thunder Bay, Lake Superior.
The gold-bearing vein, on which some little work had then been
done, is situated on one side of, and running parallel with, a narrow
valley formed by walls of granite on the one hand and green stone
on the other. The vein itself rests on the granite wall but with an
interposing thin belt of talcose slate preventing actual contact. For
several hundred feet on both sides of the principal working, the vein
has been traced, but as the period of my visit was mid-winter, with
its customary heavy covering of snow, my personal observations were
confined to the points at which work was actually in progress. At
different points of the principal opening, the vein varied in width
from 2 to 7 feet, and consisted of quartz, with occasional patches of
yellow magnesian spar. The minerals contained in the gangue were
principally copper and iron pyrites, light colored zinc bleude, galena,
and with varying small proportions of free gold and sylvanite (telluride
of gold and silver). The sulphurets appeared from a number of
assays to carry always a small though variable quantity of both gold
and silver, the two metals maintaining a pretty constant relative
ratio ; and occasional streaks of the mixed sulphurets, differing but
very slightly in appearance from the bulk of the mineral, yielded quite
richly on assays. The occurrence of the free gold and sylvanite,
generally, though not always, in conjunction, was irregular but not
infrequent ; for during the three days I remained on the spot, several
separate blasts developed rich portions of the vein, from which many
very fine specimens were obtained, showing free gold in strings,
spangles and small nuggets, and streaks, coatings and small
masses of the extremely valuable sylvanite ore. This sylvan-
ite was first misjiaken by the miners for silver glance, but
assays and analyst proved it to be the true telluride of gold and
silver, some samples of the sulphurets through which it was mixed
yielding on assay up to $4,000 per ton in gold and silver, chiefly the '
former. From some few barrels of the ore taken to Silver Islet, 128
k. lbs. of reck was selected and sent to BalbacJ^'s smelting works in
New Jersey, the works returning as a result a small brick of silver
and button of gold, weighing respectively 6^ and 1.16 oz.
Of course it is not to be supposed that so high a result represents
the average of the rock ; nor does it any more represent the best that
could be obtained, since a little more rigorous selection of the sample
sent could easily have made the latter yield double or quadruple
the percentage of gold and silver, as any person will understand when
it is understood that many samples could be selected carrying free
gold alone or with the rich sylvanite.
A road has been cut through the woods, a distance of 12 miles, and
connecting the mine with Lake Shebandowan, and thereby with the
Bed River Road to Thunder Bay, the route of the Northern Pacific
Railroad branch, at present in process of construction. The immedi-
ate neighborhood of the mine is heavily timoered, the trees being of
good gro'vth and various qualities, offering everything in the way of
timber supply for mining purposes. The occurrence of the soft
talcose slate on a hard wall is very favourable for the breaking out of
the vein, and leaving a good wall requiring hardly any timbering.
WALTER McDERMOTT,
Mining Engineer d late Assay er,
Silver Mining Co., of Silver Islet,
L
REPORT OF MR. PETER McKELLAR.
THE JACK FISH LAKE MINE.
The Jack Fish Lake Mine, consists of a block of land half a mile
square, containing 160 acres, with a rich gold and silver bearing lode
running diagonally through the property near the middle.
This rich vein was discovered in 1871 and was the first known free
gold discovery on Lake Siipei-or. The following year, the many
rich gold and silver specimens hiken from it and distributed all over
the country, created much excitement. At the time that section of
country was in the possession of the Indians and they strongly ob-
jected to any improvement being made by the whites until a treaty
was coniiiummated. Besides that, the access to the mine was 90
miles of alternate stretches of land and water, which would render
the cost of transportation of machinery and supplies very great.
For these reasons it was decided by the owners, to let the mine rest
until thene obstacles were removed^ <,^Ain Captain Frue, of Silver
Islet, who had purchased a half interest in the property immediately
after its discovery for $20,000, was not alive to prosecute the work
of the mine when these difficulties ceased to exist.
I may mention, that altho igh, following its discovery the vein was
well examined by mining crosscuts and excavations, yet, no practical
test was made to ascertain the value of the average ore. At one
place 10 feet were sunk, and about 100 tons of ore blasted out which
now lies on the dump. From this, some of the richest ore only was
taken away, of that, the best was distributed amongst friends and
specimen hunters all over the country, the balance 123 lbs. was sent
to Balback & Sons, Newark, New Jersey, and smelted. It yielded
$517.98 to the ton, or gold $396.80, silver $121.18. The button of gold
produced wcoighed 1.16 oz., value $24.60. It is now in the possession of
Mrs. J. Molntyre, of Fort WilHam. Many assays were made of the
different kinds of ore in the lode with varying results from a trace up
to thousands of dollars to the ton, but no test was made with a view to
an approximation of the real value of the lode or to find out by which
6
prooess it would work to the best advantage until lately, so that it
was, to a certain extent, enveloped in uncertainty.
Now the obstacles to the working of the mine are removed. The
Indians have been settled with by treaty with the government, and
the C. P. Railway was opened for business on the 18th of this month.
Savanne, one of the railway stations 70 miles from Thunder Bay is
connected to the mine by about 25 miles of water on Lac des Miller
Lacs to Barril Portage and 15 miles by land between Barril Portage
and the mine. Again the complete tests hereafter referred to made
by the two leading metallurgical works in New York of a ton of the
average ore from this lode prove beyond a doubt that it is a mine of
great value and that it will require but a comparatively small amount
of money to make it begin yielding returns as will be shewn further
on.
GENERAL FEATURES.
The property consists of flat, mossy, low land with undulating
rocky ridges covered mostly with sandy soil suitable for grain and
roots. Both high and low are well covered with the usual timber of
the district, suitable for raining purposes; there is also a small
stream of water running within 50 to 100 feet of the lode in an ad-
mirable position, for supplying the stjimp mill for washing purposes^
For the most part of the year there is plenty of water, and with a
small expenditure, it can be made to supply all requirements for all
seasons.
CHARACTER OF FORMATION.
The rocks on the location consist of semi-crystaline greenish slates,
talcose, chloritic, dioritic, &c.,with massive diorite and silicious mag-
netite, all interbedded and conformable with one another, and dipping
at a high angle 60'=' to 80^ towards the N. W. About a mile to the
N. E. these strata, are displaced by an intrusive syenite, an allied
rock to granite, in which the bed of Jack Fish Lake is cut out, and it
is probable that to the presence of this intrusive syenite, the exist-
ence of this gold vein is due. These rocks belong to the Huronian
series. Professor R. Bell in bis report of the mineral bearing rocks
of Lake Superior which appeared in the " Globe," March, 1874,
states, "The gold of British Columbia and other regions occurs in
rocks similar to those of the Huronian series."
t
CHARACTER OF VEIN.
I have examined this lode at various places for a distance of about
2,000 feot on this location. It is subject to expan ms and contrac-
tions like other veins, but on the whole it appeara to uo 6 to 8 fee*
wide within the walls consisting of quartz with a central belt of soft
talcose slate, two to four feet wide charged with iron pyrites and some
gold, which may pay to work in places. The vein dips N. W. at an
angle of about 75® to the horizon and bears north eastward, cutting
the strike of the slates at a small angle. On either side it is bound-
ed by greenish slates that are more or less talcose in character. It
is an undoubted true fissure vein, and gold veins that carry much of
p the sul/hurets like this one are considered as reliable for carrying in
depth as fissure veins of other metals.
The quartz are 2 to 5 feet wide, charged with galena, iron and
copper pyrites, zinc bleude and the sulphuretsof silver and tellurium
with spangles and grains of gold large and small disseminated through
the whole in more or less quantities, but more plentiful along with,
and in the vicinity of the ores of silver and tellurium, which make in
bunches here and there through the vein. These bunches yield sev-
eral thousand dollars to the ton and are likely to be found in places
large enough to be worthy of being called ** bonanzas." For result
of an assay of the high grade ore see certificate of assay of Ledoux &
Eicketts (No. 1). Independent of this rich ore, the balance of the
quartz shows an average yield of $45 to $50 to the ton, and by the
thorough tests lately made of the ore in a large way $26 of gold to
the ton can be taken out by the free milling process or copper plates,
which can be cheaply worked. Ten dollar a ton ore, free milling
would pay well at this mine. In Australia, mines are worked at as
low as $3.00 a ton and pay 10 per cent, on the capital invested ; but
of course this is under very favorable circumstances. In the Black
Hills of D4liota, ore yielding 6 to 8 dollars when free milling is
worked very profitabl;^.
THE TESTS.
This summer I was engaged to have a fair average test of the
ore of this lode made. I took a gang of men and proceeded to the
mine. All the exposures of the vein were examined and I found the
8
vein stone remarkably uniform in charactGr. I made several tests ot
the ore from various points on the vein by pulverizing, roasting and
washing which shewed considerable gold ; some tests shewing coarse
gold. In making these tests I did not select ore shewing gold to the
eye ; and some of the samples were of the lode near the middle of the
location and others from the portion near the southern boundary,
1,300 feet apart.
I also took out a ton of the average ore, half of this ton was blast-
ed out of the bottom of the principal excavation (f'om which the 100
tons referred to were mined) at a depth of 11 feet. I took it as it
came without selection. The other half ton was taken out in the
same way from the surface at a point on the vein where it enters the
valley, 60 feet to the S. W. ; here the quartz is 5 to 6 feet wide. I
took this ore to New York and had it tested by two leading
metallurgical firms Ledoux & Eicketts, and Mathey & Riotte.
The former crushed the whole ton and sampled it with much care
down to 200 pounds ; this they put through another finer crusher and
sampled it down to a few pounds, and made two large assay tests
which shewed an average of close on $50 to the ton. See their cer-
tificate (No. 2). Then I took 250 pounds of the first pa>"t sampled.
I sent this quantity to Mathey & Riotte to have it tested in different
ways, and also to see how the two would compare. They ground it
fine, sampled and assayed it, the yield shewing $46.80 to the ton.
Then they stamped it and run it over the copper plates, which
caught $3.28 gv M, or a yield shewing $26.24 to the ton. The tail-
ings w-^re then assayed and gave an average yield of $20.26 to the
ton. In this test, as will be seen by their certificate (No. 3) it
shewed an average of $40.06 of gold to the ton independent of the
silver of which there was a considerable loss. Then the tailings
were run over Frue's vanners and co\centrr.ted to 11 4-10 per cgnt.
or about 8| tons into one. The concentrations assayed $82.4/ to
the ton, that is an average to the ton of ore of $9.42, which, with the
$26.4^ saved on copper plates, makes $35.66 saved by milling.
Assays of the balance shewed a loss still in the tailings of $9.42 to
the ton. The test was made by a small vanner, I believe the large
vanner will do much better work. Mr. Goldsmith, the manager of
the works said the ore was good ore to work and that a large mill
ll
\S^ !.f* •'**i
l!
^^■
9
would easily show as good or better results from the same ore. I
was present in New York and saw these tests made. I am convinced
of their tLoroughness and correctness.
ROUTE TO MINE.
In regard to starting the mine, I would advise taking in the
machinery and supplies by way of the railway to Savanne, thence by
the chain of lakes and Dawson's Portages to the head of Lake
Shebandovvan, and thence over the old road, cut out several years
ago, 12^ miles to the mine. By this route, a passable winter sleigh
xoad can be made available at a trifling cost for the first winter's use.
The machinery should be taken to the mine in January, when the ice
is good and before tht> snow gets deep. This route could not be used
to advantage in the summer, but by spring the new one by Barril
, Portage could be opened out for traffic — the latter consists ofone
OH stretch «if land and one by water to the railroad.
COSTS OF OPERATING THE MINE.
I would recommend starting the mine on a basis of 14 tons a day
by using two batteries (10 heads) of stamps with copper plates foy
catching the free gold attached. Also two of Frue's vanner's for
concentrating the tailings from the free milling process. As shewn
by the tests, the copper plates would catch about $26 per ton gold,
bullion, cash on hand as produced, which of itself would far exceed
the expense of operating the mine. The product of the concentra-
'^" tions at $82 per ton after all expenses in connection with shipping and
treatment were deducted would yield an additional profit of about
$35, per ton of concentrations equal to about $4 to the ton of ore.
In a short time the mine would be self-sustaining, and in less than
6 months it would be able to pay back all the working capital invest-
ed. Its capacity should be increased as results would justify. I
have made enquiry as to the best machinery and the cost of the
same. I have also made close estimates of the cost of getting the
machinery and all necessary supplies to the mines, and also of the
cost of operating, and of the yield of bullion from the mine, which,
as near as I could calculate, would be as follows :
Allowing that work was cDmmenced by the first of {December, the
10
mine equipped and operated for six months on the above basis of
14 tons a day, with a further supply of all material and provisions
to carry on the work for another two months on hand, (the latter
supply being necessary until the road to Barril Portage would be
ready for the summer's work), then, the returns and expenditure for
the first 6 months would be as per Schedule A, as follows :
RETURNS PROM THE MINE.
Three months' work of free milling to Ist June, 1,050 tons
at $26 per ton, bullion
Profit on 1,050 tons concentrated, at $4 per ton of ore....
Total expenditure to 1st June with two months' supplies
on hand
Profit first 6 months, over all expen diture.
Of course it is assumed that the money to start the mine
is supplied for working capital, say
Deduct all expenditure for the first 6 months, including
plant
Balance on hand Ist June
Add to this the product of the mine as per above statement
Showing cash on hand in favour of the mine to begin next
year's operations with, and 2 months' supplies on hand
$27,300
^00
$31,500
28,526
$2,974
30,000
28,526
$1,474
31.500
$32,974
I
The next year succeeding the first 6 months, carrying the above
balance down, and continuing the mine on the same basis, the re-
turns and expenditure for the year, I estimate, from the showing of
the tests to be as per Schedule B, as follows :
Balance carried down from first 6 months $32,974
Keceipts from the mine, 1 year 126,000
$158,974
Permanent improvements to be made this year.. $11,000
Other expenses for the year 29,395
40,395
Net profits at the end of the 18 months $118,579
It'
<!'
11
Should the mine continue as the showing now is its capacity coulJ
be raised to 100 tons a day, and in the event of which, approximate^
estimates of product and running expenses for a year would be as
follows :
Bullion product of mine, 1 year $900,000
Expenses of running mine, 1 year 175,000
Net profits for the year $726,000
The above estimates show a mine of great value, and when worked
100 tons a day (which is not by any means the extent to which it
could be raised), they show that the mine would pay over ten per
cent, dividend on $7,000,000. I do not think the estimates unreas-
onable considering the size of the v'>in and the yield by the test in
New York of a ton of the veinstone unselected.
These tests showed a value in the ton of nearly $50. In the above
estimates I calculated that only $35 would be saved by milling, and
there is no allowance made for the rich ore which is worth some
thousands of dollars to the ton. This rich ore is found in bunches
through the vein and considerable quantities will at least be found
during a year's work if not great "bonanzas."
It is a fissure vein, and I see no reason why it should ijot carry
its size downward as far as mining can go. It is as likely to become
larger and richer as it is to get smaller and poorer.. The richest
showing ever made in a vein was at the depth of about 2000 feet, that
was the great bonanza in the "California" and " Consolidated Vir-
ginia," on the " Cumstock Lode." The " Calumet and Hecla" mine
is richer at 3000 feet down than it was at surface. Working at 100
tons a day, the Jack Fish Lake Lode, allowing it carries its size,
would not be worked out to that depth in 40 years.
In conclusion I may state I firmly believe that the Jack Fsh Lake
minea^will prove itself to be one of the rich mines of America.
PETER McKELLAB,
of Fort William, Mining Expert and Geologists
September, 1882.
12
SCHEDULE A.
Showing expenses of starting and operating the mine for 6 months
to Ist June, when there would still be supplies on hand at the
mine for other two months.
Building and house furnishing |2 OOO
2 teams of horses, sleighs, waggons, &c '.. .'.'.".V.V.'.V.'.V.V 800
10 head stamp mill with amalge mating copper plates and
rock breaker— capacity 14 tons per day 2,830
^u*y * '7174
20 horse power engine and boiler .'. ........"..*.' 850
3,9 <^o engine hoisting machinery ...' 750
Circular saw and gearing 25q
Pump for stamps, &c ..........!...............*.......' 150
Eopes, oil and sundries 552I.
2 of Frues Vanners 2 000
Transportation ............'.*.".. " 1226
Provisions for 8 months and 'transportation.'..'.."..'.'.".'.'.'."!'" s'soo
Horse feed 8 months '300
Blasting materials 8 months 1 500
Mmmgiools, &c .'...'...!.'!!."*.*!! I'ooO
Wages 38 men, manager included ....!'.....!....!!..!.!!!!!.!..* 7 joo
^^0"°* $28,526
/
Estimating stamp mill in operation 3 months by 1st June at 14 tons
a day, product as follows :
1050 tons at $26 bullion by copper plates $27 300
1050 tons concentrated at $4 profit 4^200
Amount of product $31,500
18
SCEBULE B.
Showing result of working the mine for 1 year, following the 6
months' operations, shown in Schedule A — capacity the same,
14 tons a day.
PERMANENT IMPROVEMENTS.
Cost of road from mine to Barril Portage $7,500
Steamboat, scow and docks ^,600
— fiLl2£ $11,000
RUNNING EXPENSES.
38 men's wages, including managers $1^^*©§
Provisions, &c 8,395
Horse feed, including transportation 1,000
Kunning tug and sundries 1,500 ^j^Sfj-
$40,395
THE PRODUCT OP THE MINE FOR A TEAR, AS FOLLOWS :
4,200 tons free millings, at $26 109,200
4,200 tons concentrated yield $4 per ton 16,800
$126,000
14
No. 1.
T. DE P. RIOKETTS, E.M., PH.D. A. R. LEDOUX, M.S., PH.D.
LEDOUX & RICKETTS,
Engineers, Chemists and Assayers, 10 Cedar St., New York City.
"No. 2804.
CERTIFICATE OF ASSAY.
New York, Sept. 12, 1882.
Sir,— The sample of selected gold ore marked " A " and submitted
io us for analysis
Contains Gold, 229.90 ozs. per ton (2,000 lbs.)
Silver, 1108.70 "
Value in Gold, $4,752.03 per ton.
Silver, 1,219.57
(< ((
Total value, $5,971.60 per ton.
Note.— We append the button of gold extracted.
Yours obedient servents,
LEDOUX & RICKETTS.
a
To Peter McKerljBr, Esq.,
Fort William, Ontario
15
No. 2.
p. DE p. RICKETTS, E.M., PH.D. a. R. LEDOUX, M.S., PH.D.
LEDOUX & RICKETTS,
Engineers, Chemists and Assayers, 10 Cedar St., New York City.
CERTIFICATE OF ASSAY.
No. 2803. New York, Sept. 12, 1882.
Sir,— The sample of gold and silver ore marked " Ton lot," and
submitted to us for analysis, contains :
Gold per ton. Silvei per ton.
1st assay 1.750 ozs. 11.95 ozs.
2nd " 1.762 " 11.65 "
Average.... 1.756 " 11.80 **
Value in gold $36.30
" " silver 12.98
Total value $49.28
Note.— The sample represents the average of about one ton of ore
submitted to us. »
Yours obedient servants.
To Peter McKellj^r, Esq., LEDOUX & EICIiETTS.
Fort William, Ontario.
16
No. 3.
E. N. RIOTTE, M.E.
H. MATHEY, M.E,
Lot No. 438.
New York Metallurgical Works,
MATHEY & RIOTTE,
104 d 106 Washington Street,
New York, Sept. 18th, 1882.
Mr. Peter McKellar,
Fort William, Ont.
Sir, — 250 lbs. of your ore crushed, sampled and assayed, proves
to contain
Per assay No. 3818, Gold $32.66 per ton.
Silver 14.14 "
The ore was run through a stamp battery and the gold caught upon
amalgamated copper plates, yielding 160 grains of bullion 477 fine,
value $3.28, equal to a yield per ton of $26.24 in gold.
The tailings were caught, sampled and assayed, and !)rove to con-
tain per assay No. 3819, gold $13.82 per ton, silver $6,44 per ton.
The tailings were concentrated on a True Vanner, yielding 28^ lbs.
or 11.4 per cent, of concentrates, which prove to contain per assay
No. 3824, gold $76.62, silver $5.81 per ton of concentrates.
«■■
The tailings after concentration, sampled and assayed, still prove
to contain per assay No. 3820, gold $6.28, silver $3.14 per ton of
tailings. Very truly,
THE NEW YORK METALLURGICAL WORKS,
By A. Goldsmith,
For Society.
Mh
w
! ;•
upon
fine,
lety.