Surface Materials

Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the general make up of surface materials. Along with the map is a list of terrain classifications denoted as bedrock, unconsolidated material (glacial deposits, boulders, alluvium, gravels, sands, silts, clays, weathered residual deposits, soils, organic terrain), bedrock outcrops, unconsolidated material and glacier ice.

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 17:37 (UTC)
Created April 17, 2026, 17:37 (UTC)
contact_email geoinfo@nrcan.gc.ca
contact_person {}
criticality_level []
data_dictionary ["environment"]
geographic_scope []
open_canada_collection geogratis
open_canada_date_published 1973-01-08 00:00:00
open_canada_keywords {"fr": ["géographie", "géologie", "géomorphologie", "sciences de la terre"], "en": ["earth sciences", "geography", "geology", "geomorphology"]}
open_canada_subject ["nature_and_environment"]
sensitivity_level unrestricted
title_fr Matériaux de surface
update_frequency as_needed