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![]() Geological Evolution of Virginia and the Mid-Atlantic Region
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Cross Section A (Next Cross Section ) (Previous Cross Section) (Home) 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. ![]() > 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. ![]()
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Last Update: 9/13/00 |