Short Summary History of the Geological Evolution of Virginia
The model for Virginia's geologic history is based on the Wilson Cycle the opening and closing of an ocean basin. This cycle is implicit in the history, but it is not dealt with directly. A one page summary of the Wilson Cycle can be found here. For more details go to This Link.
Geologic histories are usually read from bottom to top, in the order in which rocks are stacked on top of each other. Thus, the oldest events are on the bottom and the youngest on the top.
Contributed by Lynn Fitcher