Datasets
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Ontario Assessment File Database
Ministry: Mines
Assessment Files contains the technical results from all exploration work done in the province of Ontario. Data includes: details on location, property ownership, type of work...Resource formats:
- KML
- WEB
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Ontario Mineral Inventory
Ministry: Mines
The Ontario Mineral Inventory (OMI) database (previously known as the Mineral Deposit Inventory or MDI database) provides an overview of mineral occurrences in the province of...Resource formats:
- KML
- WEB
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Abandoned Mines information
Ministry: Mines
The Abandoned Mines information system (AMIS) is a database containing information on known abandoned mine sites and mine hazard features located on both Crown and privately...Resource formats:
- WEB
- KML
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Ontario Drill Hole Database
Ministry: Mines
The Ontario Drill Hole dataset contains index information for more than 126,000 percussion, overburden, sonic and diamond drill holes from assessment files on record with the...Resource formats:
- KML
- WEB
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Ontario Geological Survey Geological Maps and Digital Data Index
Ministry: Mines
Geological Maps and Digital Data contains outlines illustrating areas that have published products released by the Ontario Geological Survey. Data includes: published product...Resource formats:
- KML
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Geotechnical boreholes
Ministry: Mines
Geotechnical boreholes contains records of boreholes constructed during geotechnical investigations. Data includes: information on the geological stratum identified down each...Resource formats:
- KML
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Ambient Groundwater Geochemistry data for southwestern Ontario
Ministry: Mines
Ambient Groundwater Geochemistry contains detailed inorganic chemistry data collected from over 900 water samples from south-western Ontario. Data includes: well information,...Resource formats:
- KML
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Quaternary geology of Ontario
Ministry: Mines
The Quaternary geology data set is a digital interpretation of surficial geology for the Province of Ontario and illustrates the general distribution of the various types of...Resource formats:
- KML
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1:250 000 scale bedrock geology of Ontario
Ministry: Mines
A 1:250 000 scale map of the bedrock geology of Ontario. This seamless GIS dataset includes such themes as bedrock units, major faults, dike swarms, iron formations and...Resource formats:
- KML
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Surficial geology of southern Ontario
Ministry: Mines
Surficial Geology contains a layer which depicts the distribution and characteristics of surficial deposits across southern Ontario. Data includes: surficial geology units,...Resource formats:
- KML
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Aggregate Resources index
Ministry: Mines
Aggregate Resources contains reports on the nature and extent of sand, gravel and bedrock resources within specific areas across Ontario. Data includes: locations of aggregate...Resource formats:
- KML
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Geophysical dataset index
Ministry: Mines
Geophysical contains boundaries illustrating areas that have published digital data products released by the Ontario Geological Survey. Data includes: locations of published...Resource formats:
- KML
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Single master gravity and aeromagnetic data for Ontario
Ministry: Mines
Gravity and aeromagnetic contains ground field reading of gravity strengths and airborne surveys of magnetic strengths from across the province of Ontario. Beginning in 1947,...Resource formats:
- KML
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Rhyolite occurrences in Northern Ontario
Ministry: Mines
The rhyolite database represents a compilation and interpretation of rhyolite occurrences in north-eastern Ontario and is intended to provide the user with an approximate...Resource formats:
- KML
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Northwest Greater Toronto Area transmission corridor study area
Ministry: Energy and Electrification
Get mapping data related to the Northwest Greater Toronto Area Transmission Corridor Identification Study. In June 2019, the Ministry of Energy, Northern Development and Mines...Resource formats:
- KML