Data representing the solid rock underlying the Province of Ontario at a compilation scale of 1:250 000. Data includes: bedrock units, major faults, dike swarms, iron formations, kimberlites and interpretation of the Precambrian bedrock geology underlying the Hudson Bay and James Bay lowlands Phanerozoic cover.
Bedrock Geology of Ontario [computer file]. (2003). Sudbury, ON: Ontario Geological Survey. Available: Scholars GeoPortal access http://geo2.scholarsportal.info/ (Accessed date).
The data is in the public domain.