Skip to Main Content
Skip Nav Destination

The 1.85 Ga Sudbury impact structure is widely accepted to be the erosional remnant of a tectonized 200- to 250-km-diameter multiring basin. The Garson Member of the Onaping Formation in the Whitewater Group immediately overlies the coherent impact melt sheet—the so-called Sudbury igneous complex. It is of particular interest because it is poorly characterized, and its formational history is not well understood. The Garson Member is up to 500 m thick and is restricted locally, occurring along a 25 km strike length over the southeastern lobe of the Sudbury igneous complex. Detailed mapping and sampling of the Garson Member indicate...

You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Close Modal

or Create an Account

Close Modal
Close Modal