Geological Maps and Digital Data

Geological Maps and Digital Data

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.

During this update, this page will be removed. Please update your bookmark to the following: Index to Geological Maps and Digital Data.

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

updated June 30, 2021

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.