Aggregate Test Results for Various Rock Types: Northern, Central and Southern Ontario

Aggregate test results represent the results of "standard" aggregate testing collected and collated by the Ontario Geological Survey (OGS).

Data includes: Formation/Rock Type, Petrographic Number, Micro Deval, Los Angeles Abrasion Test, Freeze Thaw, Absorption, Bulk Relative Density, Polish Stone Value, Average Aggregate Abrasive Value.

Download the Aggregate Test Results for Various Rock Types in GIS format.