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ONTARIODIVISION OF MINES
HONOURABLE LEO BERNIER, Minister of Natural ResourcesW. Q. MACNEE, Deputy Minister of Natural Resources
G. A. Jewett, Executive Director, Division of Mines E. G. Pye, Director, Geological Branch
Map 2232 Nipigon-Schreiber Geological Compilation Series
PAST PRODUCING MINES
1. Beck mine (Ha9b).,,.. ....,..,........,..........,...... Ag2. Bishop mine (Ha9a)....... .,........,.,.................. Au3. Cook Lake mine (McKenna-McCann) (Jb9a). .............. Au4. Dorion mine (Ha9a)........ f ............. 1 ...........Pb, Zn5. Empress mine (Ka9a). ......,........................... .Au6. Enterprise mine (Ha9b). ...............,.... ,Pb, Cu, Ag, Au7. Gold Range mine (Jb9a). ..........,......,........,.... .Au8. Harkness-Hays mine (Jb9a). ....................,.. ..Au, Ag9. North Shores mine (McKellar-Longworth) (Jb9a). .,.. .Au, Ag
10. Ogema mine (Ha9a). .......,.,............,........ .Pb, Zn11. Schreiber-Pyramid mine (Jb9a).. .,.. ................Au, Ag12. Silver Islet mine (Ha9c). .....,......,.,..........,....... Ag13. Three A mine (Ha9b). ........................,.......... Ag14. Thunder Bay mine (Ha9a). . ......................Ag, Pb, Zn15. Zenith mine (Jb9a).....,.....,.,............... .Zn. Cu, Cd
All past producers, regard less of the value of metals produced, are listed and indicated separately on the map.
THE MAP INDEX
The red letters and numbers in the borders provide a location refer ence system based on that of Map 2148,Ontario Mineral Map1968.
MINERAL PRODUCTION AND RESOURCES
The map-area contains occurrences of beryllium, cadmium, copper, fluorite, gold, graphite, iron, lead, lithium, marl, molyb denum, nepheline, nickel, pyrite (sulphur), silver, stone, uranium, and zinc. Deposits containing small amounts of native arsenic and selenium have been reported.Veins containing amethyst or fluorite are of interest to collectors, and agates, derived from Keweenawan volcanic rocks, are found along Lake Superior island beaches.
Local sand and gravel is being used almost continuously for construction purposes. A small amount of amethyst is being quarried for collectors and the lapidary trade near Loon Lake north of the city of Thunder Bay, and at Kabamichigama Lake, northeast of Nipigon,
Silver production began in the area in 1868 from which time the metal has been produced intermittently up to 1922 from the Silver Islet mine near the foot of the Sibley Peninsula, fn 1870 this pro duction was joined by that from the Beck and Three A mines at Silver Harbour. In the 1930's gold and silver were recovered from the Cook Lake, Empress, Gold Range, Harkness-Hays, North Shores, and Schreiber-Pyramid mines near the town of Schreiber. A small amount of lead and zinc has been obtained from several mines in Glen, Dorion, and MacTavish Townships but the largest produc tion of zinc, copper and cadmium was obtained from the Zenith mine north of Schreiber, which operated from 1966-1970.
The total metal production from the map area tp the end of 1970 was as follows:
CadmiumCopperGoldLeadSilverZinc
141,403 Ibs.517,214 l bs.45,267 oz.
208,000 Ibs.2,895,327 oz.
55,669,264 Ibs.Of t his most of t he siiver and gold production was from t he Thunder Bay area, whereas most of the copper, cadmium and zinc was from the Schreiber area.
HOW TO OBTAIN ADDITIONAL INFORMATION
Published geological maps used as reference in the preparation of this sheet are indicated on Index Maps 2082, 2083, and 2084 of the Division of Mines, Ministry of Natural Resources, Toronto, on Index Sheets 42 and 52, Geological Survey of Canada, Department of Energy, Mines and Resources, Ottawa, and in subsequent periodic News Releases of these departments.
Three uncoloured preliminary maps covering this sheet may be obtained from the Publications Office, Ministry of Natural Re sources, Toronto. These are at the scale of one inch to two miles and are named as follows: P. 357 Red Rock-Pine Portage sheet, P. 358 Black Bay sheet, P. 360 Schreiber sheet.
Published geological reports covering this sheet are listed in Bulletin No. 25, Division of Mines. Ministry of Natural Resources, and in the Index of Publications, Geological Survey of Canada, 1961. Additional reports have been prepared by the Department of Industrial Development, Canadian Pacific Railway Company.
Topographic maps of the area may be obtained from the Ministry of Natural Resources or the Topographic Survey, Department of Energy, Mines and Resources, Ottawa.
Air photographs may be obtained from the Silviculture Section, Ministry of Natural Resources, Toronto, Ontario or from the National Air Photographic Library, Department of Energy, Mines and Resources, Ottawa.
Aeromagnetic maps covering this sheet may be obtained from Ministry of Natural Resources, or t he Geological Survey of Canada.
The name and ownership of many mineral occurrences shown on this sheet are given on Map 2148 Ontario Mineral Map 1968.
Information on mines and mineral occurrences may be obtained at the office of the Resident Geologist at Thunder Bay.
Mining claim maps and general information for prospectors may be obtained at the office of the Mining Recorder at Thunder Bay or at the Ministry of Natural Resources, Toronto.
Up-to-date information on current developments of the mineral industry may be obtained from the annuai review of the Ministry of Natural Resources published in the early months of each year.
GEOLOGICAL RELIABILITY DIAGRAM
A Detailed mapping;1" to X mile, 1* to 'A mile. 1" to 3,000 feet.
B Semi-detailed and reconnaissance mapping; rio 1 mile, 1" to 1X miles, T to 2 miles.
C Reconnaissance mapping; 1" to 4 miles, or smaller.
D Unmapped.
49 030 49"30'
8c
4915
Adjoins Map 2102 Tashota Geraldton Sheet
h
Biacksand Provincial!"
ColumbusPoint Cook
Mcintyre Bay
Roland Lake
AYDON
Baldwin f | Kamuck Lak. . .
Ga
NIPIGON
*~"T ~~ t MacSenzi Lak
fi Dupuis I. . . r V) " -Leadmanl.
Geological boundary.
Synclinal axis.
Anticlinal axis.
Fault.
Lineament.
Altitude in feet above mean sea level.
Railway with station or flag stop.
Provincial highway.
Motor road.
Other road.
Aircraft landing facilities.
Larger community.
Smaller community.
Borden Bachand I Island
Grey/) Island/le/ Ar.
Lf IT
Island rovmcial Park
Past producing mine
Mineral occurrence.
International boundary.
Township boundary, base or meridian line.
township boundary, unsurveyed.
Line of section.
METAL AND MINERAL
Hematite Lithium
. . . . . Mar/"lo. ..... .Molybdenumne . . .. , . . .Nepheline
NickelLead
....Silveragate, .......Agate
Amethyst
. . . . . . . . ..ArsenicAu Gold
Barite Beryllium
,. Cadmium Py........ PyriteSelenium
St. . . . . . . .StoneTt. . . , . . , .Titanium
Uranium zinc
Copper .. ..Epidote
Iron Fluorite Graphite
48*00
Published 1973 Lambert Conformal Projection, Standard Parallels 44" 30' and 53" 30'.
Map 2232
NIPIGON - SCHREIBERGeological Compilation Series
THUNDER BAY DISTRICT
Scale 1:253,440 or l Inch to 4 MilesMiles 2 l O- 18 20 Miles
SECTION A-B Metres 5000 10 20 30 KilometresKNOWN AND INFERRED AGE
RELATIONS OF THE PRECAMBRIAN ROCKS
Scale, l inch to 200 miles
N.T.S. reference 42D, 42E, 5ZA, 52H
LEGEND
CENZOIC
QUATERNARYPLEISTOCENE AND RECENT
Sand, gravel, clay.
UNCONFORMITY
PRECAMBRIAN
LATE PRECAMBRIAN
KEWEENAWANCARBONATITE-ALKAUC COMPLEXES
15a Carbonatite, urtite, ijolite.15b Nepheline syenite, augite-nephe-
line syenite, hastingsite-.nepheline syenite, augite syenite, augite-oli- goclase syenite, trachyte.
15c Nordmarkite.15d Syenodiorite.15e Augite syenite (larvikite).15f Gabbro, olivine gabbro, nepheline-
olivine gabbro.15g Lamprophyre.
CONTACT INDETERMINATE
LATE FELSIC IGNEOUS ROCKS
14 Quartz porphyry, felsite.
INTRUSIVE CONTACT ' '
LATE MAFIC IGNEOUS ROCKS*
13a Diabase (dikes), lamprophyre.13b Gabbro, anorthosite gabbro, an
orthosite, pyroxenite, peridotite, diorite, granophyre.
INTRUSIVE CONTACT
OSLER GROUP^
12 Porphyritic rhyolite or dacite, quartz porphyry, felsite.c
11 Unsubdivided.11c Diabase (si/Is and flows), ,---'-r"-11 b Basalt (flows) and minor pyroclastic
rocks. 11 a Conglomerate, sandstone.
CONTACT INDETERMINATE
MAFIC IGNEOUS ROCKS'*
10 Diabase (dikes and sheets).
INTRUSIVE CONTACT
SIBLEY GROUP*
9 Unsubdivided.9e Red and purple shale.9d Chert and stromatolite rock.9c Red, sandy and limey sandstone.9b Sandstone.9a Conglomerate.
UNCONFORMITY
MIDDLE PRECAMBRIAN
ANIMIKIE
Rove Formation
8 Argillite, shale, greywacke, minor volcanic rocks.
Gunflint Formation7 Unsubdivided.7a Upper Gunflint: ferruginous car
bonate, chert-carbonate, jasper, argillite-tuff.9
7b Lower Gunflint: conglomerate, fer ruginous carbonate, chert, algal chert, chert-carbonate, taconite, hematite iron formation, argillite- tuff.'
UNCONFORMITY
EARLY PRECAMBRIAN (ARCHEAN)
FELSIC IGNEOUS AND METAMORPHIC ROCKS
6 Unsubdivided.6a Granite, quartz monzonite, gran
odiorite, trondhjemite, alaskite, pegmatite, aplite, syenite, monzo nite, quartz diorite.
6b Granite gneiss, metasedimentary migmatite, hybrid rocks.
Gc Quartz porphyry, quartz-feldspar porphyry, feldspar porphyry.f
INTRUSIVE CONTACT
MAFIC AND ULTRAMAFIC IGNEOUS ROCKS
5 Metagabbro, serpentinite, horn blendite, amphibolite.
INTRUSIVE CONTACT
METAVOLCANICS AND METASEDIMENTS
METASEDIMENTSS
4 Conglomerate, greywacke, arkose, quartzite, argillite, slate, mica schist, limestone.
METASEDIMENTS"
3 Conglomerate, greywacke, arkose, Quartzite, slate, argillite, mica schist and gneiss, hornblende schist.
2 Felsic to intermediate metavol- canics: rhyolite, pillow lava, por phyritic lava, tuff, agglomerate and derived schists.
1 Intermediate to mafic metavol- canics: massive lava, schistose lava, pillow lava, porphyritic lava, amygdaloidal lava, tuff, agglomer ate and derived schists.
IF Iron formation*
S Sulphide mineralization.
a Some of these intrusions may be equivalent in age to unit 10. Others may be pre-Unit 10 in age.
b This rock assemblage is listed stratigraphically,
c May include intrusions of post-Osier age.
d Formerly classified as Logan intrusions. May in clude some intrusions of Middle Precambrian and possibly Early Precambrian age.
a Argillite-tuff in places shown separately on map.
f Possible high level, subvolcanic intrusions.
g Formerly classified as Windigokan (or in places as Keewatin but lithologically similar and showing same relationships as rocks mapped as Windigokan).
h Formerly classified as Coutchiching, Keewatin,
j Formerly classified as Keewatin, Windigokan.
k Iron formation (associated with formations of stra tigraphic units 1, 2 and 3).
The letter "G" preceding a rock unit number, for example "G6", indicates interpretation from geo physical data in drift-covered areas.
Where in places a formation is too narrow to show colour, and must be represented in black, a short black bar appears in the appropriate legend block.
MAP COMPILATION SOURCES
Revised compilation by M. W. Carter, W. H. Mcilwaineand P. A. Wisbey, 1970-1.Original compilation by E. G. Pye, 1966. Map 2137,1988.
Geology from published and unpublished maps of the Division of Mines, Ministry of Natural Resources, Geological Survey of Canada, Department of Indus trial Development, Canadian Pacific Railway Company, and unpublished maps of mining companies.
Cartography by P. A. Wisbey and assistants. Ministry of Natural Resources, 1972.
Map base compiled from maps of the Forest Re sources Inventory, and the Provincial Topographic Series, sheets 42D/NW, 42D/NE, 52A/NE, Division of Lands, Ministry of Natural Resources, with addi tional information from the staff of the Ministry of Natural Resources.
SECTION C-D
