Ministry of Energy and Mines
| OMI Number | Status | Name | Primary Commodity | Secondary Commodity |
|---|---|---|---|---|
| MDI52A04NE00009 | Occurrence | Black Hawk | Calcite, Silver | |
| MDI52A05SE00015 | Developed Prospect Without Reported Reserves Or Resources | Porcupine Junior | Silver | Zinc, Fluorite, Lead |
| MDI52A05SE00012 | Discretionary Occurrence | Haywood | Copper | |
| MDI52A05SE00040 | Occurrence | Black Fox | Silver | Zinc, Fluorite, Lead |
| MDI52A05SE00021 | Developed Prospect Without Reported Reserves Or Resources | Silver Creek | Silver | Zinc, Gold, Fluorite, Lead |
| MDI52A05SE00025 | Occurrence | R. Hymers | Barite | Zinc, Silver, Fluorite, Lead |
| MDI52A05SE00041 | Occurrence | West Beaver | Silver | Gold, Zinc, Fluorite, Lead |
| MDI52A05SE00010 | Past Producing Mine Without Reserves Or Resources | Porcupine | Silver | Gold, Zinc, Copper, Fluorite, Lead |
| MDI52A05SE00011 | Developed Prospect Without Reported Reserves Or Resources | Badger | Silver | Zinc, Fluorite, Lead |
| Report Number | Year | Company | Property | Work Type |
|---|---|---|---|---|
| 20000020078 | 2020-2020 | Allan Edward Hietapakka | Badger Mine | Assaying and Analyses, Beep Mat, Rock Sampling |
| 20000017904 | 2018-2018 | Honey Badger Exploration Inc | Beaver Silver Project | Airborne Electromagnetic, Airborne Magnetometer, Assaying and Analyses, Diamond Drilling, Geological Survey / Mapping, Rock Sampling |
| 20000015499 | 2017-2017 | Raymond Arthur Hietapakka | Porcupine Jr Property | Beep Mat, Prospecting By Licence Holder |
| 20000014198 | 2015-2015 | Allan Edward Hietapakka | Badger Mine, Claim #: TB4277965 | Beep Mat, Overburden Stripping, Prospecting By Licence Holder |
| 20000002673 | 2008-2008 | Geoinformatics Exploration Canada Ltd | Gillies Prospect | Magnetic / Magnetometer Survey |
| 52A05SE2002 | 1997-1997 | J W Redden | Mechanical, Overburden Stripping, Prospecting By Licence Holder | |
| 52A05SE2004 | 1997-1997 | Elgin Lake Mines Ltd | Badger Mine | Geological Survey / Mapping |
| 52A05SE0024 | 1996-1996 | Elgin Lake Mines Ltd | Driving Adit, Mechanical | |
| 52H11NW0001 | 1994-1994 | J W Redden | Assaying and Analyses, Geochemical, Geological Survey / Mapping, Industrial Mineral Testing and Marketing, Mechanical, Overburden Stripping, Prospecting By Licence Holder | |
| 52A05SE0022 | 1993-1993 | J Redden | Assaying and Analyses, Fencing of Stopes,Open Pits,Raises,Shafts, etc., Filling in of Pits, Trenches, Shafts, and Adits, Geological Survey / Mapping, Industrial Mineral Testing and Marketing, Overburden Stripping | |
| 52F04NE9650 | 1990-1990 | Mingold Resources Inc | Quetico Project | Bulk Sampling, Geochemical, Regional or Reconnaissance Ground Exploration |
| 52A05SE0017 | 1985-1985 | E Johnson | Assaying and Analyses, Other | |
| 52A05SE0001 | 1977-1977 | Cairngorm Mines Ltd | Electromagnetic | |
| 52A05SE0005 | 1976-1976 | United Keno Hill Mines Ltd | Electromagnetic Very Low Frequency | |
| 52A05SE0036 | 1975-1975 | J W Redden | Magnetic / Magnetometer Survey | |
| 52A05SE8105 | 1974-1974 | P K Williams | Diamond Drilling | |
| 52A05SE0009 | 1971-1971 | Elgin Lake Mining Synd Ltd | Assaying and Analyses, Bedrock Trenching, Compilation and Interpretation - Geology, Geological Survey / Mapping, Manual Labour, Open Cutting, Overburden Stripping | |
| 52A05SE0021 | 1969-1969 | Creswel Mines Ltd | Diamond Drilling, Geochemical, Geological Survey / Mapping | |
| 52A05SE0019 | 1968-1968 | Creswel Mines Ltd | Diamond Drilling | |
| 52A05SE8103 | 1968-1968 | Creswel Mines Ltd | Assaying and Analyses, Diamond Drilling | |
| 52A05SE8106 | 1966-1966 | O J Wicken | Diamond Drilling, Overburden Stripping | |
| 52A05SE8102 | 1965-1965 | D B Mcwilliams | Diamond Drilling | |
| 52A05SE0020 | 1959-1959 | Cairngorm Mines Ltd | Airborne Electromagnetic, Airborne Magnetometer, Magnetic / Magnetometer Survey |
| Publication | Year | Title | Scale |
|---|---|---|---|
| M82656 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Colour-Filled Contours of the Residual Magnetic Field, Mahon Lake and Flatrock Lake Areas | 50000 |
| M80713 | 1984 | Geochemical series, interdisciplinary research for an environmental component (acid rain) in regional geochemical surveys (Wawa area), Algoma District | 0 |
| M5048 | 1979 | Northern Ontario engineering geology terrain study, light construction capability map, Thunder Bay, NTS 52A/SW | 100000 |
| P1098 | 1976 | Mineral deposits series, mineral potential map of Ontario, 1976, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1041 | 1975 | Mineral deposits series, iron deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1823 | 1978 | Fort William sheet and part of Nipigon sheet, copper (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| M02096G | 1962 | Geophysical series, Kakabeka Falls, Thunder Bay District, Ontario, airborne magnetic, total field | 63360 |
| M1960J | 1960 | Silver Mountain area, Gunflint iron range, District of Thunder Bay | 31680 |
| P1828 | 1978 | Fort William sheet and part of Nipigon sheet, iron (%), District of Thunder Bay [GSC open file 507] | 250000 |
| ARM17B | 1908 | Map of the iron industry of Ontario, showing location of iron deposits, also iron and steel works | 5068800 |
| P2591 | 1983 | Industrial minerals of Ontario | 1500000 |
| P3321 | 1995 | Known Kimberlites of Eastern Ontario | 50000 |
| P3533 | 2004 | Tectonometamorphic Map of Ontario | 500000,500000 |
| M2190 | 1970 | Ontario geology and principal minerals | 4224000 |
| M2196 | 1971 | Ontario geological map, explanatory text, legend, diagrams, title, scale | 1013760 |
| M1927A | 1927 | [Ontario: index map showing maps accompanying Annual Reports 1891-1927] | 2217600 |
| M1939A | 1939 | [Ontario: index map showing maps accompanying Annual Reports 1891-1939] | 1900800 |
| M1946-03 | 1946 | Geological map of the Province of Ontario | None |
| M1953A | 1953 | Mineral map of the Province of Ontario | 1267200 |
| M1957A | 1957 | Mineral map of the Province of Ontario | 1267200 |
| M1958A | 1958 | Ontario Province map showing geological maps published by the Ontario Department of Mines, 1891-1958 | 1267200 |
| M1958B | 1958 | Geological map of the Province of Ontario | 1267200 |
| M2024 | 1963 | Ontario mineral map | 1584000 |
| M2103 | 1966 | Ontario geology and principal minerals | None |
| M2148 | 1968 | Ontario mineral map | 1584000 |
| M2211 | 1971 | Ontario, geology and principal mineral collecting localities | 4224000 |
| M2310 | 1974 | Ontario mineral map | 1584000 |
| M2358 | 1976 | Clay and shale deposits of Ontario | 2000000 |
| M2389 | 1977 | Ontario, geology and principal minerals | 4224000 |
| M2391 | 1979 | Ontario geological map, explanatory text, legend, diagrams, title, scale | 0 |
| M2440 | 1981 | Geological highway map, northern Ontario | 1600000 |
| M2472 | 1985 | Ontario mineral map | 1584000 |
| M2505 | 1986 | Mines and Minerals Division, administrative areas and offices | 1584000 |
| M2506 | 1986 | Geological highway map, northern Ontario | 1600000 |
| M2545 | 1991 | Bedrock geology of Ontario, explanatory notes and legend | 0 |
| M2579 | 1992 | Chart A-Archean tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2580 | 1992 | Chart B-Archean tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2581 | 1992 | Chart C-Proterozoic tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2582 | 1992 | Chart D-Paleozoic and Mesozoic depositional sequences and events in Ontario/Distribution of Paleozoic and Mesozoic depositional sequences | 0 |
| M2583 | 1992 | Tectonic assemblages of Ontario, explanatory notes and legend | 0 |
| M2199 | 1971 | Ontario geological map, west central sheet | 1013760 |
| M2542 | 1991 | Bedrock geology of Ontario, west-central sheet | 1000000 |
| OFR5326 | 1982 | Mineral potential map of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| ARM20A | 1911 | Map of the Silver Mountain area, District of Thunder Bay | 63360 |
| P1821 | 1978 | Fort William sheet and part of Nipigon sheet, uranium in water (ppb), District of Thunder Bay [GSC open file 507] | 250000 |
| P1826 | 1978 | Fort William sheet and part of Nipigon sheet, cobalt (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| M2597 | 1992 | Shaded image of vertical gravity gradient of Ontario, west-central sheet | 1000000 |
| M1960L | 1960 | Hymers-Stanley area, Gunflint iron range, District of Thunder Bay | 31680 |
| M82655 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Colour-Filled Contours of the Residual Magnetic Field, Mahon Lake and Flatrock Lake Areas | 50000 |
| M2554 | 1991 | Quaternary geology of Ontario, west-central sheet | 1000000 |
| M1944A | 1944 | [Power transmission lines and stations serving mining industry] | 1267200 |
| M2518 | 1987 | Surficial geology of northern Ontario | 1200000 |
| P1831 | 1978 | Fort William sheet and part of Nipigon sheet, arsenic (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| MS265 | 1965 | Thunder Bay, surficial geology | 506880 |
| ARM25B | 1916 | Part of Ontario showing the locations of lead and zinc deposits | 2217600 |
| P1832 | 1978 | Fort William sheet and part of Nipigon sheet, fluorine in water (ppb), District of Thunder Bay [GSC open file 507] | 250000 |
| P1521 | 1978 | Mineral deposits series, Ontario mineral potential, Thunder Bay sheet, District of Thunder Bay | 250000 |
| P0278 | 1965 | 1962 aeromagnetic survey composite map [north of Lake Superior] | 1013760 |
| P2427 | 1982 | Mineral deposits series, uranium and thorium deposits of Ontario, west central sheet, Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane districts | 1013760 |
| P0970 | 1974 | Mineral deposits series, uranium and thorium deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| M2585 | 1991 | Shaded image of total magnetic field of Ontario, west-central sheet | 1000000 |
| P1819 | 1978 | Fort William sheet and part of Nipigon sheet, sample location map, District of Thunder Bay [GSC open file 507] | 250000 |
| P2843 | 1986 | Compilation series, geochronology compilation map for Ontario, sheet 4: west-central Ontario, all isotopic systems | 1013760 |
| M82668 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Ternary Radioelement Image, Mahon Lake and Flatrock Lake Areas | 50000 |
| M82661 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Mahon Lake and Flatrock Lake Areas | 50000 |
| P1820 | 1978 | Fort William sheet and part of Nipigon sheet, uranium (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| P0452 | 1970 | Aeromagnetic maps of carbonatite-alkalic complexes in Ontario | 4224000 |
| M82667 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Ternary Radioelement Image, Mahon Lake and Flatrock Lake Areas | 50000 |
| P1245 | 1977 | Mineral deposits series, molybdenum deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P3139 | 1989 | Geological series, Precambrian geology, Keweenawan intrusive rocks in the Crystal Lake-Pigeon River area | 50000 |
| M07089G | 1989 | Geophysical series, Thunder Bay, Ontario - U.S.A., airborne magnetic, total field | 250000 |
| P0577 | 1970 | Ogoki River, aeromagnetic compilation map, Kenora, Thunder Bay and Rainy River districts | 1013760 |
| P0177 | 1963 | Geological compilation series, Lakehead-Shebandowan sheet, District of Thunder Bay | 126720 |
| M1934B | 1938 | [N Ontario: principal prospecting areas] | None |
| M2589 | 1991 | Vertical magnetic gradient of Ontario, west-central sheet | 1000000 |
| P2299 | 1980 | Mineral deposits series, vein silver deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1822 | 1978 | Fort William sheet and part of Nipigon sheet, zinc (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| P1829 | 1978 | Fort William sheet and part of Nipigon sheet, molybdenum (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| P0452-REV | 1970 | Aeromagnetic maps of carbonatite-alkalic complexes in Ontario | 4224000 |
| M2664 | 2001 | Precambrian Geology Compilation Series - Thunder Bay Sheet | 250000 |
| M2065 | 1965 | Atikokan-Lakehead sheet, geological compilation series, Kenora, Rainy River and Thunder Bay districts | 253440 |
| P1827 | 1978 | Fort William sheet and part of Nipigon sheet, manganese (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| P1825 | 1978 | Fort William sheet and part of Nipigon sheet, nickel (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| M2576 | 1992 | Tectonic assemblages of Ontario, west-central sheet | 1000000 |
| M2593 | 1991 | Bouguer gravity of Ontario, west-central sheet | 1000000 |
| M5047 | 1979 | Northern Ontario engineering geology terrain study, data base map, Thunder Bay, NTS 52A/SW | 100000 |
| M82662 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Mahon Lake and Flatrock Lake Areas | 50000 |
| M1923A | 1923 | Part of the District Of Thunder Bay, Province of Ontario | 253440 |
| P1227 | 1977 | Mineral deposits series, gold deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P0845 | 1973 | Summary of airborne geophysical data for northwestern Ontario on file at the resident geologists' offices at Kenora, Red Lake and Thunder Bay | 1013760 |
| M02095G | 1962 | Geophysical series, Pigeon River, Thunder Bay District, Ontario, airborne magnetic, total field | 63360 |
| P1824 | 1978 | Fort William sheet and part of Nipigon sheet, lead (ppm), District of Thunder Bay [GSC open file 507] | 250000 |
| P1830 | 1978 | Fort William sheet and part of Nipigon sheet, mercury (ppb), District of Thunder Bay [GSC open file 507] | 250000 |
| P1061 | 1975 | Mineral deposits series, nickel deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| Publication | Year | Title |
|---|---|---|
| MRD085 | 2001 | Whole Rock Lithogeochemical Data of Prospective versus Barren Volcanic Belts for Volcanogenic Massive Sulphide (VMS) Deposits, Superior Province, Ontario: Operation Treasure Hunt |
| MRD298 | 2012 | Ontario Rhyolite Database-Northwestern Ontario and the Grenville Province |
| MRD160 | 2005 | Digital Northern Ontario Engineering Geology Terrain Study (NOEGTS) |
| MRD018 | 1991 | Ternary Plots Using Lotus 1-2-3 |
| MRD022 | 1996 | Grade-Tonnage Data for the Mineral Deposits Models Described in OFR 5945 |
| MRD037 | 1998 | Ontario Geological Survey Poster Displays - PDAC March 1998 |
| MRD075 | 2001 | Geochronology Data for Ontario |
| MRD086 | 2001 | A Compilation of References for Kimberlite, Diamond and Related Topics |
| MRD100 | 2002 | Magmatic Ni-Cu +/- PGE Occurrences and Mafic-Ultramafic Bodies in Ontario |
| MRD101 | 2003 | Summary of Clinopyroxene Data |
| MRD126-REV1 | 2011 | 1:250 000 Scale Bedrock Geology of Ontario |
| MRD134 | 2004 | Detectability of Mineral Deposits with Airborne Gravity Gradiometry |
| MRD138 | 2004 | Airborne Hyperspectral Surface Mapping over Exposed and Covered Mineral Belts in Ontario |
| MRD139 | 2004 | Demonstration Surveys of the Distributed Acquisition (MT/IP) Method Earth Imaging Technology |
| MRD142 | 2004 | Lineament Extraction from Digital Elevation Model (DEM) for the Province of Ontario |
| MRD153 | 2005 | Ontario Geochemistry and Indicator Mineral Database |
| MRD164 | 2005 | Three Dimensional Surficial Geochemistry |
| MRD165 | 2005 | Use of a Soil Gas Hydrocarbon Technique to Differentiate Barren Graphitic and Sulphidic Conductors from Ore-Bearing Conductors |
| MRD166 | 2005 | Gedex Airborne Gravity Gradiometer (AGG) System |
| MRD169 | 2005 | Development of a High Bandwidth Frequency Domain EM System |
| MRD170 | 2005 | Geochemical Detection of Disseminated Palladium Mineralization in Ontario |
| MRD172 | 2005 | Development of Methods and Technology for the Discovery of New Resources Around Existing Mine Infrastructure |
| MRD175 | 2005 | Downhole Seismic Imaging Method: A New Tool for Deep Mineral Exploration |
| MRD176 | 2005 | Development and Demonstration of Novel Field-Portable Sample Preparation Methods for On-Site Geochemical Analysis |
| MRD177 | 2005 | Detectability of Mineral Deposits With Potential Field Methods |
| MRD178 | 2005 | Development and Evaluation of a 3D Vector Orientation Software Illustrated With Triaxial Gradient Magnetic Data |
| MRD179 | 2005 | Development of a Relational Physical Rock Property Database |
| MRD181 | 2005 | Detectability of Mineral Deposits With Electrical Resistivity and Induced Polarization Methods |
| MRD183 | 2006 | Development of a New Helicopter TEM System for Mineral Exploration |
| MRD185 | 2005 | A New Aircraft Compensation System for Magnetic Terrains |
| MRD216 | 2007 | Geology of the Canadian Shield in Ontario: An Update |
| MRD249 | 1987 | Whole-Rock Geochemistry of Komatiitic and Ultramafic Rocks: Data from the Komatiite Database Project |
| MRD250 | 1993 | Data from the PETROCH Lithogeochemical Database |
| MRD252 | 1995 | Digital Bedrock Mapping Symbols |
| MRD253 | 2000 | Digital Line Standards for Maps |
| MRD269 | 2010 | Abstracts, 11th International Platinum Symposium, 21-24 June 2010, Sudbury, Ontario, Canada |
| MRD270 | 1989 | OGS FIELDLOG (circa 1989) - Software for Geologists |
| MRD371 | 2018 | Ontario Specific Gravity Data for Bedrock Samples Acquired from 1970 to 2014 |
| GDS1035 | 2003 | Single Master Gravity and Aeromagnetic Data for Ontario, ASCII, Excel and Access formats. |
| GDS1036 | 2003 | Single Master Gravity and Aeromagnetic Data for Ontario, Geosoft Format |
| MRD159 | 2005 | Lithogeochemical Data for Plutonic Rocks Sampled Between 2000 and 2003 |
| MRD114 | 2002 | Proterozoic Volcanic and Intrusive Whole Rock Geochemical Data Associated with the Keweenawan Midcontinent Rift, Lake Superior Area |
| MRD278 | 2011 | A Revised Terrane Subdivision of the Superior Province in Ontario |
| MRD191 | 2006 | Preliminary U/Pb Geochronology Results: Lake Nipigon Region Geoscience Initiative |
| MRD370 | 2018 | Geochemical Analyses of Rocks in the Central Wabigoon Superterrane, Northwestern Ontario |
| MRD044 | 1999 | Till and Humus Compositional Database, Eastern Part of the Shebandowan Greenstone Belt, Northwestern Ontario |
| GeochrON | 2019 | Geochronology Inventory of Ontario2019 |
| MRD297 | 2012 | Aggregate Test Results for Various Rock Types in Ontario |
| MRD308-REV | 2021 | New and Compiled Whole-Rock Geochemical and Isotope Data of Midcontinent RiftRelated Rocks, Thunder Bay Area |
| MRD261-REV | 2011 | Geochemistry of Midcontinent Rift-Related Mafic Intrusions, Thunder Bay Area |
| GDS1077 | 2015 | Ontario Airborne Geophysical Surveys, Magnetic and Gamma-Ray Spectrometric Data, Grid and Profile Data (ASCII and Geosoft Formats) and Vector Data, Mahon Lake and Flatrock Lake Areas |
| GDS1037-REV | 2017 | Ontario Airborne Geophysical Surveys, Magnetic Data, Grid Data (ASCII and Geosoft Formats), Magnetic Supergrids |
| MRD209 | 2006 | Lithogeochemical Data for Intermediate to Felsic Rocks Sampled in 2005 |
| MRD190 | 2006 | Stratigraphic, Geochemical and Isotopic Data from Lakehead University Researchers: Lake Nipigon Region Geoscience Initiative |
| MRD184 | 2005 | Assessment of Using 3D Large-Scale Visualization and Data Integration for the Lake Nipigon Region Geoscience Initiative |
| MRD273-REV2 | 2019 | Ontario Precambrian Bedrock Magnetic Susceptibility Geodatabase for 2001 to 2017 |
| MRD232 | 2008 | Sample Location Maps for Archived Peraluminous S-Type Granites, Rare-Element Pegmatites and Miscellaneous Granitic and Migmatitic Rocks, Mainly from the Superior Province of Ontario |
| MRD376 | 2019 | Geological and Geochemical Data From Marks Township, Shebandowan Greenstone Belt, Wawa-Abitibi Terrane, Northwestern Ontario |
| MRD115 | 2002 | Geological and Lithogeochemical Data from Mafic-Ultramafic Bodies in Ontario as a Guide to Exploration for Platinum Group Element (PGE) Deposits: Operation Treasure Hunt |
| EDS022 | 1993 | Topographic Base Map: Seamless Coverage of the Province of Ontario |
| EDS006-REV | 2000 | Bedrock Geology, Seamless Coverage of the Province of Ontario |
| EDS011 | 1993 | Tectonic Assemblages, Seamless Coverage of the Province of Ontario |
| EDS012 | 2004 | Townships and Unorganized Area Fabric for Ontario |
| EDS013-REV1 | 2005 | Ontario Drill Hole Database--December 2005 Release |
| EDS014-REV | 2000 | Quaternary Geology, Seamless Coverage of the Province of Ontario |
| MRD395 | 2021 | Pyrrhotite Distribution in Ontario: Near-Surface Occurrences and Discussion of Deleterious Effects in Concrete |
| ODHD | 2016 | Ontario Drill Hole Database |
We are continuously updating our data. If you notice errors please contact us: Webmaster.ndm@ontario.ca.
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For detailed information regarding geoscience data in this area please contact the Thunder Bay South District Resident Geologist Office.