OGSEarth
Table of Contents
OGSEarth provides geoscience data, collected by the Mines and Minerals division, which can be viewed using user-friendly geographic information programs such as Google Earth.
Available Data
OGSEarth provides data on the following topics:
- Mining claims
- Geology
- Index maps
- Administrative boundaries
- Abandoned mines
Data Formats
The data provided by OGSEarth is available in Keyhole Markup Language (KML) format.
Viewing Data
OGSEarth data can be viewed using Google Earth or other applications compatible with Keyhole Markup Language.
Google Earth
Google Earth is a 3D geographic mapping and viewing tool. For instructions on how to use Google Earth, read the Google Earth tutorial.
Source Data
OGSEarth data is created from a variety of sources. A link to the original source data is provided with each layer when available.
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Aggregate Test Results for Various Rock Types: Northern, Central and Southern Ontario Aggregate test results represent the results of "standard" aggregate testing collected and collated by the Ontario Geological Survey (OGS). Data includes: Formation/Rock Type, Petrographic Number, Micro Deval, Los Angeles Abrasion Test, Freeze Thaw, Absorption, Bulk Relative Density, Polish Stone Value, Average Aggregate Abrasive Value. Download the Aggregate Test Results for Various Rock Types in GIS format. |
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Abandoned Mines Abandoned Mines contains all known abandoned and inactive mine sites. Data includes: information on mine site names, status, mining district, primary commodity, jurisdiction, township, NTS area and a link to the full record located on GeologyOntario. The locations of active sites and sites covered under closure plans are not included. |
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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 done, commodities sought for each assessment file and a link to the PDF version of each file that is stored on GeologyOntario. |
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Bedrock Geology Bedrock Geology contains information about the solid rock underlying the Province of Ontario at a compilation scale of 1:250 000. Data includes: bedrock units, major faults, dike swarms, iron formations, kimberlites and interpretation of the Precambrian bedrock geology underlying the Hudson Bay and James Bay lowlands Phanerozoic cover. |
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Drill Holes Drill Holes contains information on surface and underground drilling done as outlined by assessment files. Data includes: company name, company hole number, township and a link to the full drill hole record on GeologyOntario. |
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Elevation Elevation contains elevation data acquired from Nasa through the Shuttle Radar Topography Mission. Data includes: shaded relief and elevation models displaying terrain elevation across the province of Ontario. |
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Geotechnical Boreholes Geotechnical Boreholes contains records of boreholes constructed during geotechnical investigations. Data includes: information on the Geological Stratum identified down each hole as well as the hole depth. |
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Gravity and Aeromagnetic Data Gravity and Aeromagnetic contains ground field reading of gravity strengths and airborne surveys of magnetic strengths from across the province of Ontario. Data includes: gravity and magnetic information. |
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Mineral Deposits (MDI) Mineral Deposits contains an overview of mineral occurrences in the province of Ontario. Data includes: occurence type, primary and secondary commodity, deposit name and a link to the full record on GeologyOntario. |
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Precambrian Bedrock Magnetic Susceptibility Geodatabase Magnetic susceptibility (sometimes known as volume susceptibility) is the fundamental rock parameter in magnetic prospecting. Data includes:magnetic susceptibility readings from various rock types. Magnetic susceptibility refers to the degree to which a substance can become temporarily magnetized while within an applied magnetic field. Download the Precambrian Bedrock Magnetic Susceptibility Geodatabase in GIS format. |
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Quaternary Geology Ontario's Quaternary Geology at a compilation scale of 1:1 000 000. This layer includes Quaternary geology units, point features such as drumlins and glacial striae and line features such as eskers, shore bluffs and moraines. |
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3D Mapping of Surficial Aquifers 3D Mapping of Surficial Aquifers contains information regarding the three dimensional distribution and character of surficial materials that may form groundwater aquifers and aquitards. Data includes: borehole information, isopachs, structural contours and both bedrock and surficial geology image overlays. |
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Ambient Groundwater Geochemistry Ambient Groundwater Geochemistry contains detailed inorganic chemistry data collected from over 900 water samples from southwestern Ontario. Data includes: well information, dissolved gases, major ions, trace elements, field measurement of temperature, PH, redox potential and electrical conductivity. Download the Ambient Groundwater Geochemistry Data in GIS format. |
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Bedrock Topography and Overburden Thickness Bedrock Topography and Overburden Thickness contains a bedrock elevation map and information on the thickness of material deposits above the bedrock surface. Data includes: an interpolated bedrock surface created from a variety of existing point data, a bedrock shaded relief grid and an interpretation of overburden thickness. Download the Bedrock Topography and Overburden Thickness Data in GIS format. |
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Karst Karst contains a layer which depicts the nature and regional distributions of karstification of Paleozoic bedrock units within thin drift and exposed bedrock regions of southern Ontario and Manitoulin Island. Data includes: karst point features such as caves, sink holes and disappearing streams, karst and Paleozoic geological units and photographs of various karst features. |
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Paleozoic Geology Paleozoic Geology contains a layer which depicts southern Ontario geological units formed during the Paleozoic era. Data includes: Paleozoic geological units, linear features such as faults, point features such as quarries, drill hole and outcrop locations and photos depicting key sections of each of the Paleozoic rock formations found across southern Ontario. |
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Physiography Physiography contains information on the physical structure of southern Ontario. Data includes: lineral features such as beaches and escarpments, point features such as dunes and mudflow scars, landforms such as drumlins and moraines and physiographic regions. |
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Southern Ontario Stream Sediment Geochemistry Survey The Southern Ontario Stream Sediment Geochemistry Survey consists of stream sediment data including inorganic (metals) chemistry concentrations determined in 2113 samples collected across southern Ontario. Data includes: Geochemical metals data determined by ICP, loss-on-ignition (LOI) and particle size analysis (PSA) data including quality control results from Certified Reference Materials (CRMs) and analytical (pulp) duplicates. |
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Surficial Geology Surifical Geology contains a layer which depicts the distribution and characteristics of surficial deposits across southern Ontario. Data includes: surficial geology units, linear features such as eskers and bluffs, point features such as drumlins or striae, gravel pit and quarry locations. |
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Administrative Boundaries and Spatial Reference Grids Administrative Boundaries and Spatial Reference Grids contains layers which define different areas of the province according to number of classifications. |
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Aggregate Resources 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 studies with a link to the report and associated maps on GeologyOntario. |
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Geological Maps and Digital Data Geological Maps and Digital Data contains outlines illustrating areas that have published products released by the Ontario Geological Survey. Data includes: published product locations with links to download the product from GeologyOntario. |
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Geophysical Geophysical contains boundaries illustrating areas that have published digital data products released by the Ontario Geological Survey. Data includes: locations of published airborne surveys, regional magnetic and gravity surveys, seismic and magnetotelluric data with links to download the data from GeologyOntario. |
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Far North Predictive Mapping Far North Predictive Mapping contains an interpretation and classification of surficial materials in the Far North as predicted by a combination of satellite imagery, digital elevation models, Ontario Hydro drainage data. Data includes: landforms such as drumlins and moraine, polygon features such as surficial geology and karst and linear features such as eskers and bluffs. |
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Geology Terrain (NOEGTS) Geology Terrain contains an evaluation of near-surface geological conditions such as material, landform, topography and drainage. Data includes: land form type, geomorphology, primary material, secondary material, topography and drainage condition, point features such as sand and gravel pits, sand dunes, drumlins, eskers, landslide scars and index maps to study areas. Download the NOEGTS data in GIS format. |
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Rhyolite Occurences Northern Ontario Rhyolite contains a layer which depicts the location and composition of various rhyolite occurrences across northern Ontario. Data includes: approximate location, physical character, age and the chemical nature of each rhyolite occurrence. Download the Northeastern Ontario Rhyolite Database in GIS format |
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Mining Claims Mining Claims contains active claims, alienations and dispositions. Data includes: links to further land tenure information. Note: The claims data presented here is an unofficial version to be used only for viewing purposes. Official mining claim information is available from the CLAIMaps and Mining Claims Information applications. |
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