The GeologyOntario (includes OGSEarth) web pages will be updated with a new look in the coming weeks, starting at the end of September 2021.
The updated design improves the user experience by simplifying the layout, making the pages more mobile compatible, and aligning with other Ministry web pages.
Please contact Alphons Evers ( if you encounter any issues after the change or have any questions.

GeologyOntario is an online warehouse that contains all of the publically available digital data collected by the Mines and Minerals division. All data is available for download and can be discovered by using attribute-based search.

Available Data

GeologyOntario provides access to all Ontario Geological Survey maps, reports and digital datasets. Other data is also available, including:

  • Client-submitted assessment files
  • Mineral deposits
  • Ontario Geological Survey publications
  • Drill hole records
  • Mining hazards including abandonded mines

View and Search Data Visually

GeologyOntario data can be viewed and visually explored or searched through OGSEarth.

We are committed to providing accessible customer service.
If you need accessible formats or communications supports, please contact us.