The Geological Association of Canada (GAC®) is a national multi-disciplinary geoscience organization with representatives in all Canadian provinces and territories as well as the United States, Europe and other parts of the world.

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Nov 1, 2021

2021 GAC-MAC Annual Conference

Learn more about the 2021 GAC-MAC Annual Conference in London, Ontario.


Feb 3, 2021

2020 Hutchison Lecture Tour

The next virtual lectures  are: March 2, 2021 at 1 pm (MT)  March 4, 2021 at 1 pm (MT)  March


Atlas of Cathodoluminescence Textures

Luminescence techniques have been developed as standard analytical procedures for use in the geosciences. in particular, cathodoluminescence is widely applied