Search Lexicon of Canadian Geologic Units

Lithological Unit Search

Instructions: Search may be done by Unit name, Author or other parameters, individually, or in combination.
Enter Age (max age, min age) in 'Millions of years Before Present' or select from Time Scale Tree.
To navigate tree from keyboard, use right/left arrow to expand/contract, Enter to select/deselect age.
For Geographic Extent, select any number of provinces. No selection will search for all provinces.