GeologyOntario
GeologyOntario provides unprecedented access to the
information holdings of the Ontario Geological Survey. Rich spatial and
attribute search functionality facilitates the rapid discovery of relative
information in over 85,000 reports representing over 2,000,000 pages and
168,000 maps from OGS publications and client submitted mining assessment
files. In addition, hundreds of digital products containing field data,
geophysical surveys, geochemical analyses and geochronological measurements
are available for download. Designed and built on the same technologies as
the internationally recognized Crown Land Automated Internet Map System (CLAIMaps),
citizens can generate multi-thematic maps at select scales and link in map
services from other jurisdictions and organizations. Rapid dissemination
of geoscientific research and historic information promotes sustainable
development initiatives and the responsible use of the Province’s wealth
of earth resources.
View Terms of Use for Downloaded Publications from GeologyOntario
- Assessment File Research Imaging (AFRI)
- OGS Publications (OGS PUB)
- Mineral Deposits Inventory (MDI)
- Lithogeochemistry (LGC)
- Drill Hole Database (DDH)
- Abandoned Mines Information System (AMIS)
This search interface provides the ability to search
for text within an Ontario Geological Survey Publication PDF document.
This search interface provides the ability to search
for text within an Assessment File Research Imaging file PDF document.
G-O Discover provides you with the necessary
resources to help you understand the use of GeologyOntario and its associated map viewer. Here you are
provided with an FAQ for GeologyOntario as well as links to help files and user manuals for
various mapping systems. Use our problem reporting forms to notify us of a problem or fill out our
online survey. OGS Earth is also available for download by following this link
This application is monitored 8:30- 5:00 pm
Eastern Standard Time (GMT - 5:00) from Sudbury, Ontario Canada. Any
issues regarding this application outside of these hours will be addressed
on the next business day.
