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Map 2221 Chapleau-Foleyet Geological Compilation Series

LEGEND

PHANEROZOIC CENOZOIC QUATERNARY PLEISTOCENE AND RECENT Till, clay, sand, gravel,

UNCONFORMITY MESOZOIC LATE JURASSIC TO EARLY PRODUCING MINES CRETACEOUS3 1 Canadian Johns-Manville Co. Ltd. Reeves mine (Ob 9b)...... asb 2 Noranda Exploration Co. Ltd./New Joburke Explorations Ltd. 12 Lamprophyre dikes. New Joburke mine (Ob 9d),.,.,..,.,.,...... Au INTRUSIVE CONTACT

PAST PRODUCING MINES PRECAMBRIAN 3 Halcrow-Swayze mine (Oa I0a). LATE PRECAMBRIAN 4 Jerome mine (Ob 10b). MAFIC TO INTERMEDIATE INTRUSIVE 5 Renabie mine (Na 9c). : ROCKS* 6 Smith-Thorne mine/Tionaga mine (Ob 10a). 11a Hornblende syenite. 11 b Syenodiorite and diorite. 11c Hornblende monzonite. 1ld Porphyritic hornblende diorite, quartz diorite, and gabbro (plagio clase porphyry). 11e Mafic hornfels.

CARBONATITE-ALKALIC COMPLEXES* 1Qa Alkalic syenite, pulaskite. Scale, l inch to 200 miles 1Qb Brecciated alkalic syenite and re lated rock types. We Fenitized rocks. N.T.S. reference 410,42 E 10d Massive mafic nepheline syenite (malignite). We Massive to foliated nepheline sye nite and related rocks. 101 Sovite (ca/cite-rich carbonatite). THE MAP INDEX Wg Magnetite-apatite rock. Wh Urtite, ijolite, melteigite (nepheline- The red letters and numbers in the borders provide a location pyroxene rocks). reference system based on that of Map 2310, Ontario Mineral INTRUSIVE CONTACT Map, 1974. EARLY TO MIDDLE PRECAMBRIAN MAFIC INTRUSIVE ROCKS

INTRUSIVE CONTACT EARLY PRECAMBRIAN SHAWMERE ANORTHOSITE COMPLEX 8a Anorthosite to gabbroic anorthosite. 8b Anorthosite gabbro. 8c Gabbro. 3d Brecciated anorthositic to gabbroic rocks, Be Gneissic to f/aser-textured tonalite and monzonite. MINERAL PRODUCTION AND RESOURCES INTRUSIVE CONTACT The area contains deposits of antimony, apatite, asbestos, barite, KAPUSKASING STRUCTURAL copper, gold, iron, lead, molybdenum, niobium and other rare ZONE ROCKS SYMBOLS earths, talc, thorium, uranium, and zinc. Production at the end of 7a Meta-igneous rocks (metamor 1970 was solely of asbestos, but by 1973 gold was being produced phosed mafic to intermediate intru sive rocks). at the New Joburke Explorations Ltd. property by Noranda 7b Melanocratic granulite (pyroxene- Geological boundary. Exploration Co. Ltd. quartz-horn blende-plagioclase Early exploration included work on the Woman River iron granulite). 7c Pelitic and psammitic granulites Synclinal axis. formation in 1910, By the 1960©s Stackpool Mining Company Limited (pyroxene-garnet-quartz-feldspar indicated reserves of 5,100,000 tons of iron ore grading 40X iron granulite). and Kukatush Mining Corporation (Ontario) 7d Metasedimentary gneiss, including Limited indicated Anticlinal axis. reserves of 158,000,000 tons of 27.8?^ acid soluble iron in the intercalations of metavolcanic gneiss (metamorphosed to upper Radio Hill iron formation in Penhorwood Township. amphibolite facies). The Renabie mine in Leeson Township produced 776,191 oz. 7e Arkosic metasediments. Fault, Au, 245,145 oz. Ag over the period 1947 to July, 1970. Reserves as FAULT CONTACT of 1970 were 157,704 tons grading 0.211 oz./ton Au. The Jerome FELSIC IGNEOUS AND METAMORPHIC mine of Jerome Gold Mines Limited in Osway Township produced ROCKSC Lineament. 56,978 oz. Au and 15,104 oz. Ag between 1941 and 1943. In 1968 Felsic Intrusive and Hybrid Rocksc when production started at the Canadian Johns-Manviile Company Altitude in feet above mean sea level. Limited, Reeves mine ore reserves were established at 20,000,000 6a Massive to weakly foliated, biotite tons with an asbestos fibre content of 3 to S.5%. and hornblende trondhjemite, gran odiorite, and minor quartz diorite. Dominion Gulf Company holds claims covering the Nemegosenda 6b Gneissic, biotite and hornblende Lake carbonatite-alkalic complex, which contains a mineralized trondhjemite, granodiorite, and mi zone of 20,000,000 tons grading Q.47% Nbs05. By-product nor Quartz diorite. production of U, Th, rare earths, zirconium, apatite and magnetite 6c Massive to weakly foliated, horn blende and biotite quartz-monzo- woufd be possible upon development. nite. Multi-Minerals Limited holds ground on the Lackner Lake 6d Gneissic biotite and hornblende Motor road. carbonatite-alkalic complex, which has three mineralized zones quartz-monzonite. 6e Syenitic rocks. grading as follows: zones No. 3 and 4-37,000,000 tons of D.198% Bf Pegmatite, aplite. Nb20s, 41.3?^ apatite and IS.77% magnetite; zone 6- 5,024,250 6g Augen gneiss. Other road. tons grading 69.6?^ magnetite, Zl.9% apatite and Q.173% Nb20s; - © 6h Hornblende granodiorite to diorite and zone 8 - 80,000,000 tons grading D.25% Nb20s. (in part hybrid rocks). 6j Porphyritic granitic rocks. Several base metal occurrences are known. The Consolidated Shunsby Mines Limited deposit in Cunningham Township com INTRUSIVE OR GRADAT1ONAL CONTACT prises a mineralized zone of 310,095 tons grading i.2% Cu, Migmatitic Rocksc 5 Unsubdivided.11 5a Migmatite with metavolcanic paleo some6 of quartz-feldspar-horn- b/ende gneiss; veined with more than 25*^ granitic material (neo some f). Sb Migmatite with metasedimentary paleosome3 of biotite-quartz-feld- spar gneiss; veined with more than 25/6 granitic material (©neosome©). Past producing mine. INTRUSIVE CONTACT MAFIC AND ULTRAMAFIC INTRUSIVE ROCKS Mineral occurrence. 4 Unsubdivided^- 4a Diorite and gabbro. 4b Ultramafic rocks and their serpent- Mining Division with boundary. inized equivalents, minor gabbro. HOW TO OBTAIN ADDITIONAL INFORMATION INTRUSIVE CONTACT | Published geological maps used as reference material during the METASEDIMENTSS District boundary. ; preparation of this map are indicated on Index Maps 2079, 2080 3 Unsubdivided^- /© and 2081 of the Division of Mines, Ministry of Natural Resources, 3a Greywacke, arkose, quartzite. Township boundary, meridian or 3b Conglomerate. and on Index Sheets 41 and 42. Geological base line, surveyed. Survey of 3c Argillaceous, fine-grained metased Canada, Department of Energy, Mines and Resources, Ottawa. iments. Four uncoloured preliminary geological maps at scale of one 3d Biotite-quartz-feldspar schist and inch to two miles were produced following Operation Chapleau, gneiss. 3e Migmaiized metasediments (10- a helicopter supported reconnaissance mapping project covering 25% granitic material). the map sheet. These are: P.672 Missinaibi Lake Sheet, P,673 Horwood Lake Sheet, P.674 Chapleau Sheet and P.765 Opeepees- METAVOLCANICSS way-Rocky island Lakes Sheet. Felsic to Intermediate Metavolcanics Published geological reports covering this sheet are listed in 2 Unsubdivided*1- Bulletin 25 and Supplements, Division of Mines, Ministry of Natural 2a Rhyolite to dacite flows and frag Resources and in the Index of Publications, Geological mental rocks. Survey 2b Tuff, banded tuff, and lapilli-tuff. of Canada. 2c Agglomerate, breccia. Aeromagnetic maps covering this sheet may be obtained from 2d Porphyritic flows, quartz-feldspar MAP COMPILATION the Director, Geological Survey of Canada, Ottawa, or Mines porphyry. SOURCES Publications Office, Ministry of Natural Resources, Parliament Mafic to Intermediate Metavolcanics Geology and revised compilation by P.C. Thurston, Buildings, Toronto M7A 1W3. 1 Unsubdivided^- R.P. Sage and G.M. Siragusa, and assistants, Topographic maps of the area are available at a scale of one 1a Basalt to andesite flows and por Geological Branch 1970, 1971 and 1974. inch to two miles, 1:250,000 and 1:50,000 from the Lands phyritic flows, massive to foliated. Original compilation by H.D. Carlson, Resident Geol ogist, and J.F. Donovan, 1965. Publications Office, Ministry of Natural Resources and the Jb Basalt to andesite pillow lava. Topographic Survey, Department of Energy, Mines and le Mafic pyroclastic rocks, Geology from published maps and assessment files 1d Layered amphibolite. Resources, Ottawa. of the Division of Mines, Ministry of Natural Resources; 1e Diorite, gabbro (coarse-grained published maps of the Geological Survey of Canada Air photographs at a scale of one inch to one quarter mile are flows or intrusions). and unpublished maps of mining companies. available from: Photo Library, Administrative Services Branch, lg Migmatized mafic metavolcanics (W-25% granitic material). Cartography Ministry of Natural Resources, Toronto. Air photographs at a scale by D.W. Robeson and assistants, Surveys and Mapping Branch, 1975. of one inch to one mile are available from National Air Photo graphic Library, Department of Energy, Mines and Resources, Map base compiled from maps bf the Forest Resources Inventory, and the Provincial Topographic Series, Ottawa. sheets 42BJNW, 42B/SW, 42BJSE, Division of Lands, The name and ownership of many mineral occurrences shown IF Iron formation (associated with 1, Ministry of Natural Resources, with additional in 2 and 3 map units). on this sheet are given on Map 2310, Ontario Mineral Map, 1974. formation from the staff o/ the Ministry of Natural Resources. Information on geology and mineral occurrences may be S Sulphide mineralization. obtained at the offices of the Regional Geologists at Timmins and Sault Ste. Marie and at the office of the Resident Geologist in Sudbury. Mining claim maps and general information on properties may aBased on correlation with radiometrically dated lam- be obtained at the offices of the Mining Recorders at Timmins, prophyres at Coral Rapids on the Abitibi River. Sault Ste. Marie and Sudbury or at the Ministry of Natural ^Relative ages unknown, radiometric ages equivalent; Resources, Toronto. these rock map units appear to be spatially associated METAL AND MINERAL Up-to-date information on current developments may be with the Kapuskasing Structural Zone. obtained from the annual review of the Division of Mines and the cUnits 5 and 6 distinguished in part on the basis of REFERENCE Annual Report of Regional and Resident Geologists at Timmins, aeromagnetic data; therefore, outcrops of unit 5 will Sault Ste. Marie and Sudbury, published annually. occur in areas of unit 6 and vice versa. Ag...... Silver mo. . Molybdenite ap...... Apatite Nb...... Niobium dRock identification based on airborne observation. As....., . Arsenic ML...... Nickel eMelanocratic portions of migmatite, consisting of fragments and inclusions of country rock, asb. . Asbestos Pb...... Lead Au...... Gold q...... Quartz fLeucocratic portion of migmatite. ba...... Barite RA...... Radioactive minerals SAge relationships between units 1,2 and3 unknown. berh.... .Berthierite RE...... Rare Earths The letter "G" preceding a rock unit number, for Bi...... Bismuth Sb...... Antimony example "G1", indicates interpretation is based upon geophysical data only. Cu...... Copper Th...... Thorium Fe,..,.. .Iron Ti...... Titanium The letter "D" preceding a rock unit number, for example "D1", indicates identification from diamond gf...... Graphite U...... Uranium .Molybdenum Zn...... Zinc © - Zr...... Zirconium GEOLOGICAL RELIABILITY DIAGRAM

ONTARIO DIVISION OF MINES i HONOURABLE LEO BERNIER. Minister of Natural Resources DR J. K. REYNOLDS, Deputy Minister of Natural Resources G A. Jewett. Executive Director. Division ot Mines E. G. Pye. Director. Geological Branch Map 2221 CHAPLEAU - FOLEYET — ^^ t A Detailed mapping, scales greater than l" to Va mile. Geological Compilation Series B Semi-detailed mapping; scales less than l" to l mile. C Mostly unmapped, but some airborne reconnaissance. ALGOMA, COCHRANE AND SUDBURY DISTRICTS

Scale 1:253,440 or l Inch to 4 Miles 16

Metres 5000 10

l l

Scale. 1 inch to 4 miles©

SECTION A B SECTION C D E SECTION F G

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