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 January 16, 2026, 20:44 (UTC)
Created January 16, 2026, 20:44 (UTC)
contains_pii non
crisis_categories Fortes pluies
criticality_level Faible
data_formats JPG; PDF
fair_openness Level 2 - Machine-readable
geographic_scope Canada
sensitivity_level Faible
source_inventaire Inventaire_W
source_url https://open.canada.ca/data/en/dataset/0d6e14c2-5b89-5765-9d5f-a1321a366d7e
subject nature_and_environment
update_frequency as_needed
year_most_recent 2022-03-14 19:36:12.736000
year_start 2016-09-24 02:00:17.968000