Bedrock Geological Units, Groundwater Geoscience Program

The bedrock geologic units designate units of the same types of rock which composed the solid rock exposed at ground surface (as outcrop) or which underlies unconsolidated surficial sediments. This dataset represents a general description of the stratigraphy and geology, including geologic unit thickness, morphology, age and rank. It features a list of the geologic unit names and types of rock (lithology) in the hydrogeological unit, from a controlled vocabulary. While the preferred format to deliver this data is by using a shapefile and its linked attributes, this dataset can be delivered also by providing link to external data which should have at least the same properties or also by joining a georeferenced image of the map.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 18:42 (UTC)
Created	April 17, 2026, 18:42 (UTC)
contact_email	nrcan.gsc-geosciencedata-donneesgeoscience-cgc.rncan@canada.ca
contact_person	{"fr": "Gouvernement du Canada; Ressources naturelles Canada; Commission géologique du Canada - CGC Québec,Gouvernement du Canada; Ressources naturelles Canada; Commission géologique du Canada,francois.letourneau@canada.ca,nrcan.gsc-geosciencedata-donneesgeoscience-cgc.rncan@canada.ca", "en": "Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec,Government of Canada; Natural Resources Canada; Geological Survey of Canada,voice; 1 (418) 6543826,francois.letourneau@canada.ca,nrcan.gsc-geosciencedata-donneesgeoscience-cgc.rncan@canada.ca"}
criticality_level	[]
data_dictionary	EPSG:4326,http://www.epsg-registry.org/,6.14
geographic_scope	[]
open_canada_collection	fgp
open_canada_date_published	2016-03-31 00:00:00
open_canada_keywords	{"fr": ["Géologie de la roche en placepour l'eau souterraine", "Hydrogéologie", "Géologie", "Eau souterraine"], "en": ["Bedrock Geology for Groundwater", "Hydrogeology", "Geology", "Groundwater"]}
open_canada_subject	["form_descriptors", "nature_and_environment", "science_and_technology"]
sensitivity_level	unrestricted
title_fr	Unités géologiques du socle rocheux, Programme géoscientifique des eaux souterraines
update_frequency	as_needed