The Geophysics kml contains polygons and images illustrating areas that have published digital data products released by the Ontario Geological Survey.

Data includes: images of high resolution aeromagnetic surveys (residual magnetic intensity and second vertical derivative), regional gravity (bouguer and first vertical derivative), regional magnetics (residual magnetic intensity and first vertical derivative), locations of published airborne surveys, seismic and magnetotelluric data with links to download the data from GeologyOntario.

Download the Geophysical Survey Index in GIS format.