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Ontario Drill Hole Database
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
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Mineral Deposit Inventory of Ontario
Mineral Deposit Inventory (MDI) contains an overview of mineral occurrences in the province of Ontario. Data includes: occurrence type, primary and secondary commodity, deposit...-
Resource formats:
- KML
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Assessment Files
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
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Rhyolite occurrences in Northern Ontario
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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Quaternary geology of Ontario
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
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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Geophysical dataset index
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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Aggregate Resources index
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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Ambient Groundwater Geochemistry data for southwestern Ontario
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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Surficial geology of southern Ontario
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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Single master gravity and aeromagnetic data for Ontario
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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Ontario Geological Survey Geological Maps and Digital Data Index
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
