Land Information Ontario

This digital data release, produced as part of the Lake Nipigon Region Geoscience Initiative (LNRGI), contains location information, rock descriptions, detailed petrographic descriptions, photomicrographs and qualitative modal analyses for 250 thin sections collected within the 2003 LNRGI bedrock

OGSEarth - Geology Data

from website: OGSEarth provides geoscience data, collected by the Mines and Minerals division, which can be viewed using user-friendly geographic information programs such as Google Earth rock types; abandoned mines, assessment files, bedrock geology; drill holes; elevation; geotechnical borehole