The Perigee:Zero concept was developed to address a manifold of issues in the geological and historical record. At the present time, our only working hypothesis addresses the enigmatic Carolina bays.
We presented a poster presentation the December 2009 AGU meeting in San Francisco of some of the Perigee: Zero concepts as they pertain to the Carolina bays and their role in identifying a possible Pleistocene - Holocene Boundary impact crater. A comprehensive review of the conjecture and our Heuristic Argument can be seen at our Sagnaw Impact Manifold Web Site.

Proposed Saginaw Bay Impact Manifold