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PRODUCERS

1. Denison Mines Ltd., Denison mine. (Pa11c)...... U,Y 2. Rio Algom Mines Ltd., Quirke No. 2 mine. (Pa11b)...... U,Th 3. Roof River Sandstone quarry, Koseba. (Mb11b)...... st

PAST-PRODUCERS

Bruce Mines...... Cu 4. Bruce section. (Na11c) 5. Copper Bay section. (Na11c) 6. Taylor section. (Na11c) 7. Wellington section. (Na11c) 8. Consolidated Bi-Ore Mines Ltd.(Pa11b)...... Cu 9. Coppercorp mine. (Ma10d)...... Cu 10. Denison Mines Ltd., Can-Met mine. (Pa11c)...... U 11. Dominion Mines and Quarries Ltd.(Mb11c)...... si 12. Dominion Trap Rock Co. Ltd. (Na11c)...... st 13. Elliot's brickyard. (Mb11b)...... clay 14. Havillah Gold Mining Co. (Na11c)...... Au Hermina Copper Ltd...... Cu 15. Hermina mine. (Pb11d) 16. Massey No. 1 shaft. (Pb11d) 17. Massey Nos. 3 and 4 shafts. (Pb11d) Jardun Mines Ltd...... Pb,Zn,Ag,Au,Cu 18. No. 1 zone (Victoria). (Mb11b) 19. No. 2 zone (Cascade). (Mb11b) 20. No. 4 zone. (Mb11b) 21. Prace Mining Ltd. (Mb11a)...... Ag,Pb 22. Preston Mines Ltd., Stanleigh mine. (Pa11c)...... U Rio Algom Mines Ltd...... U,Th,Y,Cu 23. Buckles mine. (Pa11c) 24. Lacnor mine. (Pa11c) 25. Milliken mine. (Pa11c) 26. Nordic mine. (Pa11c) 27. Panel mine. (Pa11c) 28. Pater mine. (Pa11d) 29. Pronto mine. (Pa11d) 30. Quirke No. 1 mine. (Pa11b) 31. Spanish American mine. (Pa11c) 32. Rock Lake mine. (Na11c)...... Cu 33. Stanrock Uranium Mines Ltd. (Pa11c)...... U,Y 34. Superior Copper Co. Ltd. (Mb11a)...... Cu 35. Tribag mine. (Ma10d)...... Cu 36. Wright and Company (Mb11b)...... si

METAL AND MINERAL REFERENCE Ag...... Silver N b...... Niobium A u...... Gold N i...... Nickel Bi...... Bismuth Pb...... Lead clay...... day sj ...... Silica Co...... Cobalt s t...... Stone (traprock) Cu...... Copper T h ...... Thorium Fe...... Iron U ...... Uranium kaol...... Kaolin Y ...... Yttrium M o...... Molybdenum Z n ...... Zinc

MINERAL PRODUCTION AND RESOURCES

The map area includes Canada's most important uranium mining camp, the Elliot Lake area, discovered in 1953, as well as the first commercially successful copper mine in Canada which began pro­ duction in 1847 at Bruce Mines. At the present time (1977) the area is producing uranium, sand, gravel, and ornamental stone. In the past the area has also produced gold, lead, copper, zinc, silver, yttrium, thorium, silica, traprock and clay. Within the map area there are also occurrences of bismuth, cobalt, iron, kaolin, molybdenum, nickel and niobium. The total value of all mineral production from the map area, to the end of 1975 is approximately $1,750,000,000.

THE MAP INDEX

The red letters and numbers in the borders provide a location refer­ ence system based on that of Map 2310, Ontario Mineral Map.

HOW TO OBTAIN ADDITIONAL INFORMATION

Published geological maps, reports, aeromagnetic maps, topographic maps and air photographs of the area may be obtained from the Ministry of Natural Resources, Toronto and the Department of Energy, Mines and Resources, Ottawa. Charts of Lakes Huron and Superior may be obtained from the Canadian Hydrographic Service, Department of Energy, Mines and Resources, Ottawa. Charts of the St. Marys River are available from the U.S. Lake Survey, U.S. Corps of Engineers, 630, Federal Building, Detroit, Michigan 48226. Additional geological maps and photo-mosaics may be obtained from the Algoma Central Railway, Sault Ste. Marie, Ontario. Mining claim maps and information on geology, mines, and min­ eral occurrences may be obtained from the Ministry of Natural Re­ sources offices at Sault Ste. Marie, Sudbury or Toronto. The name and ownership of many mineral occurrences shown on this map are given on Map 2310, Ontario Mineral Map, 1974. Up-to-date information on current developments of the minerals industry may be obtained from the Annual Review of the Division of Mines and the Annual Report of the Resident Geologists (Sault Ste. Marie, Sudbury) published by the Ministry of Natural Resources in the early months of each year.

Lambert Conformal Projection, Standard Parallels 44°30' and 53°30'

Ontario Geological Survey M ap 2419 SAULT STE. MARIE-ELLIOT LAKE Geological Compilation Series

ALGOMA, MANITOULIN and SUDBURY DISTRICTS

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