INVENTORY FILE NO.
NAME OF PROPERTY
1978: Pinebay Mines Limited
Flin Flon, Manitoba
Massive sulphides form two parallel lenses in Amisk chloritic dacite.
Siliceous sericite schist, probably derived from rhyolitic quartz porphyry, was
drag-folded around the dacite.
Both lenses strike northeast for lengths for
100ft. and dip steeply northwest. They are separated by 15 ft. of waste rock.
The mining width of the eastern lens averaged 11 ft. to a depth of 500 ft. The
western lens averaged 16 ft. to 550 ft.
Massive and disseminated pyrite and
chalcopyrite were reported on surface. Massive sulphides formed the orebody,
pyrite replaced grains of quartz, chlorite, and calcite. Pyrite was cut by
veinlets of chalcopyrite, quartz, and iron carbonate. Pyrite was also
disseminated in the surrounding schist.
Sphalerite was reported in trenches
in 1928 which were probably on this property (Flintoba Corp. File).
MINERALS OR PRODUCTS OF VALUE
EXPLORATION AND DEVELOPMENT
The deposit is located on an island in east-central Thompson Lake,
approximately 19.5 km due east of Flin Flon (or 38.6 km by road).
(29178) was staked by W.E. Baker in 1919. Pits and trenches were dug and blasted
from 1920 to 1925, inclusive. In 1924 it was optioned to Manitoba Metals Mining
Company Limited. Two years later it was assigned to J.C. Grace. It was optioned
to R.A. Bryce later in 1926. An electric survey was reported in 1927 along with
three drill holes. It is not known whether this work was done by Bryce before he
abandoned the option in 1927. Lease 946 was issued to Grace the following year.
Also in 1928, Don Jon was assigned to O.N. Scott.
Flintoba Mines Limited
apparently took an unregistered option on Don Jon in 1928. This is suggested by
an engineer's report which mentions up to 8.54% Cu over 11.5 ft. and 4.29% Cu
over 27.5 ft. on an island in Thompson Lake (Flintoba Corp. File). Consolidated
Mining and Smelting Company of Canada (Limited) optioned the property did some
drilling. They found a small ore-grade lens, but dropped their option (Flintoba
It seems that the property was idle for several years. During
this time the following transactions occurred:
against Don Jon M.C.
1940 Sheriff sold claims to Fred Small
to W. Govan
1948 Assigned to W.M. Roberts
1948 Optioned and Development
Company Limited (H.B.E.D.)
1949 Lease 946 renewed
Drilling by HBED
between 1948 and 1951 yielded encouraging results, so Don Jon Mines Limited was
formed to develop the deposit. The claim was assigned to Don Jon Mines in
Surface drilling was discontinued in 1951 in favour of continuing
exploration and development from the North Star shaft. In 1953 a cross cut was
driven 1,620 ft. on the 600 ft. level of the North Star, which was owned by
Hudson Bay Mining and Smelting Co., Limited (HBM&S).
Mining of the Don
Jon deposit commenced in 1954. Ore was hoisted through the North Star Mine (see
SE13, 63K; Cu5) and stockpiled. Production figures for 1955, when full
production began, probably include some of the stockpiled ore. Mining continued
until the orebody was mined out on August 22, 1957. Later claim history is
1958 Assigned to Knobby Lake Mines
1967 Assigned to Guggenheim Exploration Company, Inc.
1973 Assigned to Cerro Mining Company of Canada Limited
Assigned to Pinebay Mines Limited
1976 Lease converted to claim #29178
Year Tons Tonnes %Cu ozAu/t kgAu/t ozAg/t kgAg/t
1954 3787 3435
2.33 0.027 0.93 0.430 14.75
1955 27321 24780 3.20 0.039 1.34 0.550
1956 31586 28649 3.11 0.023 0.79 0.430 14.75
1957 33538 30419 2.99
0.024 0.82 0.370 12.69
Ann. Repts.; Man. Mines Br., 24th, p. 63
Bailes, A.H., 1971:
Preliminary Compilation of the Geology of The Snow Lake-Flin Flon-Sherridon
Area; Man. Mines Branch Geological Paper 1/71.
Consolidated Mining and
Smelting Company of Canada (Limited); SE13, 63K; Corporation File,
Davies, J.F., Bannatyne, B.B., Barry, G.S., and McCabe, H.R., 1962:
Geology of the Mineral Resources of Manitoba, Man. Mines Branch.
Files 8134(Winnipeg), 2572(The Pas), Mining Recording Files, Man.
Douglas, R.J.W., 1970: Geology and Economic Minerals of Canada; Geol.
Surv. Can. Econ. Geol. Rept. 1, p. 190.
+Flintoba Mines Limited, SE13, 63K;
Corporation File, Man. MRD.
Flintoba Mines Limited, SE13, 63K; Mining
Engineering File, Man. MRD.
Gale, G., Koo, J., Solkoski, L., and Southard,
G., 1976: Evaluation of Massive Sulphide Environments in NREP 1st Annual Report;
Man. MRD, Open File Rept. 77-1, p. 33-44.
*Hudson Bay Mining and Smelting
Co., Limited, Staff, 1957: North Star and Don Jon Mines in Structural Geology of
Canadian Ore Deposits, Vol. II; CIMM, Special Report, p. 247-8, 251-3.
Bay Mining and Smelting Co., Limited SE13, 63K; Corporation File, Man.
North Star, SE13, 63K; Mining Engineering File, Man. MRD.
A.P., 1972: Rocks and Minerals for the Collector La Ronge - Creighton,
Saskatchewan; Flin Flon-Thompson, Manitoba; Geol. Surv. Can., Paper 71-27, p.
Sangster, D.F., 1972: Precambrian Volcanogenic Massive Sulphide
Deposits in Canada: A Review, Geol. Surv. Can, Paper 72-22.
1938: Geology and Mineral Deposits of a Part of Northwest Manitoba; Geol. Surv.
Can. Summ. Rept., 1930, Pt. C., p. 52-3.
Map 63K/13E, Flin Flon (Topo.), 1:50 000; Surveys and Mapping Br.,
Map 2454G, Flin Flon (Aeromag.), 1:63 360; Man. Mines Br. and Geol.
Map 71-1, Geological Compilation for the Snow Lake-Flin Flon
Sherridon Area(Geol.), 1:253 440-Accomp. Paper by Bailes (1971); Manitoba Mines
Map 832A, Mikanagan Lake (Geol.), 1:63 360-Accomp. Marginal Notes by
Bateman and Harrison (1945); Geol. Surv. Can.
*Map 44-22A, Mikanagan Lake
(Geol.), 1:31 680-Accomp. Paper by Bateman and Harrison (1944); Geol. Surv.
Maps, SE13, 63K(Claim), 1:31 680, "Circa 1978" Claim Maps Series, Man.
Don Jon Mines Limited was a subsidiary of Hudson Bay Mining and
Smelting Co., Limited.