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Geological Evolution of Virginia and the Mid-Atlantic Region
Detail Pages
Cross Section A
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The Grenville: A Major Mountain Building Event

Late Proterozoic; 1.8 - ~1.1 bya

     At the moment, information about the Blue Ridge rocks in general and Grenville rocks in particular are mostly contained in pages or diagrams supporting other parts of the history. Together, however, they have a fair amount of information.

   Divisions and Rock Units of the Blue Ridge. This link is to the Blue Ridge part of the "Description of the Geology of Virginia" page. It briefly describes the Blue Ridge rocks, but also has links to diagrams and charts. Those links are also listed here.
>    Rock Unit Descriptions. Brief descriptions of all the rock units in the Blue Ridge.
>    Northwest Flank of the Blue Ridge. An interpretive NE-SW cross section at the time of the Proto-Atlantic rifting.
>    Southeast Flank of the Blue Ridge. An interpretive NE-SW cross section at the time of the Proto-Atlantic rifting.

   Geologic History Contained in the Blue Ridge. A pdf file summarizing the sequence of events and rock units composing the Blue Ridge.

   Next X-Section .    Previous.
   Further details on this event.
   Fossils and life during this time.
   Go to Virginia Geology Home Page.
   PDF file of all cross sections.


Last Update: 9/13/00

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(Baedkesj@jmu.edu)