OGS GeoData Listing

Ministry of Energy and Mines


This dataset is currently a BETA version. It will be updated on a monthly basis. We encourage users to contact us with comments, requests and suggestions: Webmaster.ndm@ontario.ca.

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Data for MAYO

29 Mineral Inventory points within 200 metres

OMI Number Status Name Primary Commodity Secondary Commodity
MDI31F04SE00092 Discretionary Occurrence Hamlyn Occurrence Magnetite
MDI31F04SW00114 Developed Prospect With Reported Reserves Or Resources Mayo Dolomite Property Marble (Structural Material)
MDI31F04SE00063 Discretionary Occurrence Hermon Sillimanite Occurrence Sillimanite
MDI31F04SE00094 Occurrence Stevens Property Iron
MDI000000003229 Occurrence Scott Graphite Graphite
MDI31F04SW00118 Discretionary Occurrence Foster Lake Marble (Structural Material)
MDI31F04SE00020 Prospect Spruce Lake Quarry Marble (Structural Material), Aggregate
MDI31F04SE00152 Occurrence Frobisher Property Magnetite
MDI31F04SE00012 Developed Prospect Without Reported Reserves Or Resources Bessemer Mine Iron
MDI31F04SE00155 Discretionary Occurrence Road Cut Highway 28 Tourmaline, Gypsum, Mineral Specimen
MDI31F04SE00076 Discretionary Occurrence Road Cut Highway 28 Gypsum, Mineral Specimen
MDI31F04SE00013 Developed Prospect With Reported Reserves Or Resources Childs Mine Iron
MDI31F04SE00016 Developed Prospect With Reported Reserves Or Resources Rankin Deposit Iron
MDI31F04SE00021 Prospect Smith Lake Property Marble (Structural Material) Copper, Gold
MDI31F04SE00091 Occurrence Bulpit Lake Anomaly Iron
MDI31F04SE00154 Discretionary Occurrence Mullen Moly Molybdenum, Mineral Specimen
MDI31F04SW00316 Discretionary Occurrence Dungannon Iron Iron
MDI31F04SE00002 Discretionary Occurrence Baker And Wannamaker Lot Talc
MDI31F04SW00124 Discretionary Occurrence New Herman Marble (Structural Material)
MDI31F04SW00128 Discretionary Occurrence Belton Lake Actinolite, Mineral Specimen
MDI31F04SE00095 Occurrence Swordfingal Prospect Iron
MDI31F04SW00117 Discretionary Occurrence E.J. Marquardt Property Feldspar (Gemstones), Mineral Specimen
MDI31F04SW00120 Discretionary Occurrence Canadian Marble Co. Ltd. Property Marble (Structural Material)
MDI31F04SW00122 Discretionary Occurrence Sharrow Lake Marble (Structural Material)
MDI31F04SW00123 Discretionary Occurrence Macarthur'S Mills Granite Granite
MDI31F04SW00121 Discretionary Occurrence Wanamaker Lake Area Marble (High Purity/Flux)
MDI31F04SW00319 Occurrence Albert Kerr Property Lead, Gold, Silver
MDI000000000131 Developed Prospect Without Reported Reserves Or Resources Mephisto Quarry 1 Calcite (Structural Material), Marble (Structural Material)
MDI31F04SW00125 Discretionary Occurrence Simon Bronson Farm Garnet (Nonmetals)

22 Assessment Files

Report Number Year Company Property Work Type
20000003606 2007-2008 Douglas Garrie, First Nickel Inc Airborne Electromagnetic, Airborne Magnetometer
31F04SE2003 2003-2003 FPL Aggregates Diamond Drilling, Geological Survey / Mapping, Industrial Mineral Testing and Marketing
31F04SE2002 2000-2000 Upper Canada Stone Co Ltd Assaying and Analyses, Boring Other Than Core Drilling
31F04SE2001 1999-1999 Upper Canada Stone Co Ltd Geological Survey / Mapping, Mechanical, Overburden Stripping
31F04SE0003 1997-1997 Upper Canada Stone Co Ltd Industrial Mineral Testing and Marketing, Mechanical, Overburden Stripping
31F04SE0001 1996-1996 A Dubblestein Diamond Drilling, Mechanical, Overburden Stripping
31F02NW0002 1993-1993 Wayne L Johnson CAN Property Assaying and Analyses, Geological Survey / Mapping, Manual Labour, Microscopic Studies, Prospecting By Licence Holder, Rock Sampling, Soil/Till Sampling
31F04SE9505 1992-1992 Upper Canada Stone Co Ltd Industrial Mineral Testing and Marketing, Overburden Stripping
31F07SW0001 1992-1992 R V Stewart Geochemical, Geological Survey / Mapping, Microscopic Studies, Prospecting By Licence Holder, Regional or Reconnaissance Ground Exploration
31F04SE0002 1991-1991 Upper Canada Stone Co Ltd Bedrock Trenching, Industrial Mineral Testing and Marketing, Mechanical, Overburden Stripping
31F04SE9506 1989-1989 Mangrove Bay Resources Inc Bedrock Trenching, Geochemical, Microscopic Studies, Miscellaneous Compilation and Interpretation
31F04SE9508 1989-1989 Mangrove Bay Resources Inc Magnetic / Magnetometer Survey
31F04SE9507 1988-1988 Mangrove Bay Resources Inc Bedrock Trenching, Diamond Drilling, Geochemical, Geological Survey / Mapping, Industrial Mineral Testing and Marketing, Other
31F04SE9510 1988-1988 A Dubblestein Diamond Drilling, Geochemical
31F04SE9509 1985-1985 A Dubblestein Other
31F04SE9512 1965-1965 Rainbow Marble Co Ltd Diamond Drilling
31F04SE9515 1965-1965 Rainbow Explorations Corp Diamond Drilling
31F04SE9514 1962-1962 A B Thomas Diamond Drilling
31F04SE9461 1957-1957 Canada Iron Mining Ltd Geological Survey / Mapping, Magnetic / Magnetometer Survey
31F04SE9511 1957-1957 Dunmayo Iron Mines Ltd Magnetic / Magnetometer Survey
31F04SE9455 1956-1957 Dunmayo Iron Mines Ltd, Frobisher Ltd Diamond Drilling, Driving Adit, Electromagnetic, Geochemical, Geological Survey / Mapping, Magnetic / Magnetometer Survey, Metallurgical Testing and Bulk Sampling, Miscellaneous Compilation and Interpretation, Other, Shaft Sinking
31F04SE9516 1951-1951 Frobisher Ltd Magnetic / Magnetometer Survey

20 Drill Holes

Report Number Company Drill Hole Count Elements
31F04SE2003 Flp Aggregates 4
31F04SE2002 Upper Canada Stone Co 1
31F04SE9515 Rainbow Expl 12
31F04SE9512 Rainbow Marble Co Ltd 3

140 Maps

Publication Year Title Scale
M5508 1981 Bancroft, NTS 31F/SW, data base map, southern Ontario engineering geology terrain study 100000
M2042 1963 Distribution of chert in gravels of southern Ontario 1013760
P1507 1978 Mineral deposits series, Ontario mineral potential, Pembroke and part of the Ottawa sheets, District of Nipissing and counties of Renfrew, Hastings, Lennox and Addington, Frontenac, Lanark, Ottawa-Carleton, Grenville, and Dundas 250000
M60154 2010 Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the Apparent Conductance and Electromagnetic Anomalies, Bancroft Area-Purchased Data 20000
M2599 1992 Shaded image of vertical gravity gradient of Ontario, southern sheet 1000000
P2567 1982 Industrial minerals of the Algonquin region, Bancroft area, Nipissing District and southern Ontario 125000
P2647 1984 Petroleum resources map, isopach Black River Group, eastern area, southern Ontario 250000
P2715 1984 Physiography of southern Ontario 600000
P0122 1961 Ashby Township, County of Lennox and Addington 15840
M5509 1981 Bancroft, NTS 31F/SW, general construction capability map, southern Ontario engineering geology terrain study 100000
P2840 1986 Compilation series, geochronology compilation map for Ontario, sheet 1: southern Ontario; Grenville province and environs, Ar-Ar and K-Ar isotopic systems 1013760
P1100 1976 Mineral deposits series, mineral potential map of Ontario, 1976, southern sheet, southern Ontario and District of Nipissing 1013760
P2641 1984 Petroleum resources map, isopach Trenton Group, eastern area, southern Ontario 250000
P2301 1980 Mineral deposits series, vein silver deposits of Ontario, southern sheet, southern Ontario, and District of Nipissing 1013760
P2210 1980 Geological series, radioactive mineral deposits of the Pembroke-Renfrew area, southern Ontario 126720
P2979 1987 Sand and gravel assessment of Hastings County, north-central sheet, Faraday, Dungannon, Mayo, Wollaston, Limerick, Cashel townships 50000
M2595 1991 Bouguer gravity of Ontario, southern sheet 1000000
ARM17B 1908 Map of the iron industry of Ontario, showing location of iron deposits, also iron and steel works 5068800
P1980 1979 Geological series, marbles of the Pembroke-Renfrew area, southern Ontario 126720
P2975 1987 Sand and gravel assessment of Lennox and Addington County, north sheet, Ashby, Denbigh, Effingham, Abinger townships 50000
P2841 1986 Compilation series, geochronology compilation map for Ontario, sheet 2: southern Ontario; Grenville province and environs, Rb-Sr, Nd-Sm, U-Pb, and other isotopic systems 1013760
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
M1960C 1960 Ontario limestone industries 1267200
M00096G 1952 Geophysical series, Renfrew, Frontenac, Hastings, Lennox and Addington Counties, Ontario, airborne magnetic, total fields 63360
ARM07C 1897 Map of parts of the counties of Hastings and Renfrew, to accompany report of W.G. Miller, on corundum deposits 158400
P1229 1977 Mineral deposits series, gold deposits of Ontario, southern sheet, southern Ontario, and District of Nipissing 1013760
M2040 1963 Distribution of siltstone in gravels of southern Ontario 1013760
M2441 1979 Geological highway map, southern Ontario 800000
M60164 2010 Airborne Magnetic and Electromagnetic Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Bancroft Area-Purchased Data 20000
M1957B 1972 Haliburton-Bancroft area, Province of Ontario 126720
M2031 1963 Ashby Township, County of Lennox and Addington, Ontario 31680
M2587 1991 Shaded image of total magnetic field of Ontario, southern sheet 1000000
P0800 1972 Great Lakes-Ottawa River, aeromagnetic compilation map, Algoma, Sudbury, Timiskaming, Nipissing, and Manitoulin districts and southern Ontario 1013760
P2737 1985 Mineral deposits series, base metal, molybdenum, and precious metal deposits, Madoc-Sharbot Lake area, southern Ontario 125000
M2500 1985 Bancroft, southern Ontario, Quaternary geology 50000
M00016G 1957 Geophysical series, Coe Hill, Hastings, Peterborough and Haliburton Counties, Ontario, airborne magnetic, total field 63360
ARM39H 1930 Hastings County, Province of Ontario, showing locations of non-metallic mineral occurrences 250000
ARM27B 1918 Sand and gravel producing areas in southern Ontario 2217600
ARM39C 1930 Key map of part of the Province of Ontario showing location of plants for the production of heavy clay products 1013760
ARM25B 1916 Part of Ontario showing the locations of lead and zinc deposits 2217600
M2130 1967 Principal clay areas of southern Ontario and the clay products industry dependent on clay 1013760
M2591 1991 Vertical magnetic gradient of Ontario, southern sheet 1000000
P2659 1984 Petroleum resources map, structure top Precambrian, eastern area, southern Ontario 250000
M2041 1963 Distribution of shale in gravels of southern Ontario 1013760
OFM0162 1991 Extension of Grenville basement beneath southwestern Ontario, rock types and tectonic subdivisions 1013760
M2264 1972 Ontario limestone quarries, 1971 1013760
P3385 1998 Precambrian Geology, Bancroft Area 50000
P2980 1987 Sand and gravel assessment of Hastings County, north sheet, McClure, Wicklow, Bangor, Herschel, Monteagle, Carlow townships 50000
OFR5260 1979 Uranium mineral potential charts for parts of southern Ontario 126720
P2653 1984 Petroleum resources map, structure top Shadow Lake Formation, eastern area, southern Ontario 250000
P0211 1964 Cashel Township, north half, County of Hastings 15840
M2254 1972 Paleozoic geology of southern Ontario showing bedrock industrial mineral producers 1013760
P1044 1975 Mineral deposits series, iron deposits of Ontario, southern sheet, southern Ontario and District of Nipissing 1013760
P1247 1977 Mineral deposits series, molybdenum deposits of Ontario, southern sheet, southern Ontario, and District of Nipissing 1013760
P0972 1975 Mineral deposits series, uranium and thorium deposits of Ontario, southern sheet, southern Ontario and District of Nipissing 1013760
P0452 1970 Aeromagnetic maps of carbonatite-alkalic complexes in Ontario 4224000
M1954-03 1954 Monteagle and Carlow townships, County of Hastings, Ontario 31680
P2665 1984 Petroleum resources map, isopach Shadow Lake Formation to Precambrian, eastern area, southern Ontario 250000
M2167 1969 Limerick Township, Hastings County 31680
OFR5227 1976 National geochemical reconnaissance map 1-1976, southern Ontario, Canada- Ontario subsidiary agreement on mineral exploration and development 250000
M2117 1966 Paleozoic geology of southern Ontario, showing bedrock industrial mineral producers 1013760
P3079 1987 Geological series, lithofacies, stromatolite localities, metallic mineral occurrences, and geochemical anomalies associated with carbonate metasediments, Burleigh Falls-Bancroft- Madoc area, southern Ontario 126720
M2131 1967 Principal shale areas of southern Ontario and the clay products industry dependent on shale 1013760
M2183 1969 Ontario marl deposits 1013760
M1955-08 1955 Dungannon and Mayo townships, County of Hastings, Ontario 31680
M2059 1964 Ontario limestone quarries, 1963 1013760
M60159 2010 Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the EM Decay Constant and Electromagnetic Anomalies, Bancroft Area-Purchased Data 20000
M00015G 1967 Geophysical series, Bancroft, Hastings, Renfrew, Lennox and Addington Counties, Ontario, airborne magnetic, total field 63360
M2461 1982 Barry's Bay, Precambrian geology 100000
P2209 1980 Geological series, industrial minerals of the Pembroke-Renfrew area, southern Ontario 126720
OFR5317 1980 Southern Ontario engineering geology terrain study maps: Bancroft and Haliburton 100000
OFR5328 1982 Mineral potential map of Ontario, southern sheet, southern Ontario and District of Nipissing 1013760
M1976-07 1976 [withdrawn, replaced by P.1505] 253440
OFR5228 1976 National geochemical reconnaissance map 2-1976, southern Ontario, Canada- Ontario subsidiary agreement on mineral exploration and development 250000
M2039 1963 Distribution of limestone, dolomite and Precambrian pebbles in gravels of southern Ontario 1013760
ARM25C 1916 Part of southeastern Ontario showing relations of galena-calcite-barite veins to major elements of geologic structure 500000
M1976-05 1976 [withdrawn, replaced by P.1507] 253440
P0452-REV 1970 Aeromagnetic maps of carbonatite-alkalic complexes in Ontario 4224000
P1505 1978 Mineral deposits series, mineral potential, Kingston and part of Ogdensburg sheets, counties of Peterborough, Northumberland, Hastings, Prince Edward, Lennox and Addington, Frontenac, Lanark, Leeds, Grenville, Ottawa-Carleton 250000
P1063 1975 Mineral deposits series, nickel deposits of Ontario, southern sheet, southern Ontario and District of Nipissing 1013760
P2629 1984 Petroleum resources map, structure top Trenton Group, eastern area, southern Ontario 250000
P2424 1981 Mineral deposits series, uranium and thorium deposits of Ontario, southern sheet, southern Ontario and Nipissing, Muskoka, Parry Sound, Sudbury, and Manitoulin districts 1013760
ARM53B 1944 Renfrew area, Province of Ontario 126720
P2397 1980 Drift thickness series, drift thickness of the Bancroft area, southern Ontario 50000
M2197 1971 Ontario geological map, southern sheet 1013760
M07052G 1987 Geophysical series, Kingston, Ontario - New York, airborne magnetic, total field 250000
M2038 1963 Sand and gravel pits in southern Ontario 1013760
M2544 1991 Bedrock geology of Ontario, southern sheet 1000000
M2556 1991 Quaternary geology of Ontario, southern sheet 1000000
P0691 1971 Data series, Dungannon Township, Hastings County 31680
M60149 2010 Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the Residual Magnetic Field and Electromagnetic Anomalies, Bancroft Area-Purchased Data 20000
M1953-02 1953 Brudenell-Raglan area, County of Renfrew, Ontario 63360
P3437 2001 Precambrian Geology, Denbigh Area 50000,50000
P0176 1963 Limerick Township, Hastings County 15840
M2392 1978 Ontario geological map, southern sheet 1013760
P2611 1985 Compilation series, geology and mineral deposits, Kingston area, southern Ontario 125000
M07057G 1981 Geophysical series, Pembroke, Ontario - Quebec, airborne magnetic, total field 250000
P2211 1979 Geological series, base and precious metals, iron and molybdenum deposits of Pembroke-Renfrew area, southern Ontario 126720
P2565 1982 Industrial minerals of the Algonquin region, Pembroke area, southern Ontario 125000
M2228 1975 Physiography of the Georgian Bay-Ottawa Valley area 253440
M2418 1978 Geological highway map, southern Ontario 800000
P2635 1984 Petroleum resources map, structure top Black River Group, eastern area, southern Ontario 250000
P3774 2013 Precambrian Geology, Raglan Hills Metagabbro and Environs, Grenville Province 20000
M2578 1992 Tectonic assemblages of Ontario, southern sheet 1000000
P2536 1982 Geological series, Quaternary geology of the Coe Hill area, southern Ontario 50000
M2184 1969 Sand and gravel pits in southern Ontario 1967-1968 1013760
P2357 1980 Geological series, Renfrew area, western part, southern Ontario 63360
P2686 1986 Sand and gravel assessment of Renfrew County, Combermere sheet, Radcliffe, Brudenell, Sabastopol, Raglan, Lyndoch, Griffith, and Matawatchan townships 50000
P3403 2000 Precambrian Geology, Coe Hill Area 50000,50000
ARM52B 1943 North Hastings area, Province of Ontario 126720
P2376 1980 Geological series, Quaternary geology of the Bancroft area, southern Ontario 50000

65 Digital Data Products

Publication Year Title
MRD298 2012 Ontario Rhyolite Database-Northwestern Ontario and the Grenville Province
MRD224 2007 Geochemical Data from Carbonate Rocks from the Central Metasedimentary Belt, Grenville Province, Ontario
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
MRD286 2011 Geological, Geochemical and Geophysical Data Related to the Zinc Scoping Project, Grenville Province
MRD199 2006 Modern Alluvium and Till Data Release, Tweed Area, Southeastern Ontario
GRS019 2019 A Three-Dimensional Geological Model of the Paleozoic Bedrock of Southern Ontario
MRD309 2013 Geological, Geochemical, Geophysical and Petrographic Data from the Raglan Hills Area, Central Metasedimentary Belt, Grenville Province, Ontario
GDS1234 2010 Ontario Airborne Geophysical Surveys, Magnetic and Electromagnetic Data, Grid and Profile Data (ASCII and Geosoft Formats) and Vector Data, Bancroft AreaPurchased Data
GeochrON 2019 Geochronology Inventory of Ontario2019
ARO 2021 Aggregate Resources of Ontario (ARO2020)
MRD092 2001 Results of Firing and Properties Testing, Queenston Formation Shale, Southern Ontario
MRD251 1990 Data Relating to the Economic Geology and Geochemistry of Carbonate Rocks, Grenville Province, Southeastern Ontario
MRD297 2012 Aggregate Test Results for Various Rock Types in Ontario
MRD207 2006 Bedrock Topography and Overburden Thickness Mapping, Southern Ontario
MRD228 2007 Physiography of Southern Ontario
GDS1037-REV 2017 Ontario Airborne Geophysical Surveys, Magnetic Data, Grid Data (ASCII and Geosoft Formats), Magnetic Supergrids
MRD107 2002 Geochemistry of Selected Ordovician and Silurian Shale Samples from Outcrops, Quarries and Drill Cores, Southern Ontario
MRD273-REV2 2019 Ontario Precambrian Bedrock Magnetic Susceptibility Geodatabase for 2001 to 2017
MRD204 2006 An Updated Guide to the Subsurface Paleozoic Stratigraphy of Southern 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
MRD128-REV 2010 Surficial Geology of Southern Ontario
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

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