GSC: Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto
(GSC Open File 5062)
Digital elevation models (DEMs) that define the top 5 major stratigraphic units plus bedrock for the Oak Ridges Moraine area. Ffrom oldest to youngest, the units include: 1) Paleozoic bedrock, 2) Lower sediment, 3) Newmarket Till, 4) ORM sediment, 5) Halton Till and 6) Glaciolacustrine / Recent sediment surface. The series includes information of composition, extent, topographic thickness and depth to individual geological strata that is important to regional water resource assessment and management.
The data is in the public domain.
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http://www.escarpment.org/landplanning/plan/index.php [PDF maps and documents]
Logan, C., Sharpe, D.R., and Russell, H.A.J. 2005: Regional 3D Structural Model of the Oak Ridges Moraine and
Greater Toronto Area, southern Ontario: Version 2.1: Geological Survey of Canada, Open File 5062.