The North Range contact of the Sudbury intrusive complex: An integrated interpretation

High resolution seismic reflection data from the LITHOPROBE Abitibi-Grenville transect across the Sudbury Structure has suggested a simple intrusive contact for the boundary between the Levack Gneiss and the North Range Norite of the Sudbury Igneous Complex (SIC) (Milkereit et al, 1992). The same profile also suggests that the constituent members of the SIC along the North Range form a simple layered sequence. Models derived from regional …