Atlas of the Western Canada Sedimentary Basin
https://ags.aer.ca/reports/atlas-western-canada-sedimentary-basin
This is an online version of the out-of-print Geological Atlas of the Western Canada Sedimentary Basin, as well as digital data and shapefiles for selected content.
WEBLEX Canada (Lexicon of Canadian Geological Names on-line)
https://weblex.canada.ca/weblexnet4/LithoSearch_e.aspx
This site provides information on over 16,000 published geological names used in Canada.
Geolex (U.S. Geologic Names Lexicon)
https://ngmdb.usgs.gov/Geolex/search
Geolex is part of the (U.S.) National Geologic Map Database project. It is a collaborative effort, primarily involving the USGS and the Association of American State Geologists, to develop an accessible archive of geosciences information for the United States.
Stratigraphic Lexicon of Mexico
https://www.sgm.gob.mx/Lexico_Es/
The goal of this project is to analyze and standardize geological information on stratigraphic nomenclature used in Mexico.
Atlas 2027 