
A Resource for Information on the Commonwealth's Geology
The Fall Zone delineates the boundary between the Coastal Plain and the Piedmont. Here rivers draining the Piedmont drop steeply to sea level and in the process form dramatic rapids.
The Neoproterozoic Lynchburg Group is a thick sequence of metasedimentary rocks exposed in the eastern Blue Ridge from northern to south-central Virginia. These deposits range from coarse-grained conglomerate to fine-grained mudstone.
Cumberland Gap, elevation 506 m (1,660′), in the far southwestern corner of Virginia is a wind gap near the geographic triple point* between Virginia, Tennessee, and Kentucky. The gap has long been an important crossing point through the Appalachian Mountains, and lies at the western edge of the Valley & Ridge province with the Appalachian Plateau province […]
On July 1, 2016, Governor Terry McCauliffe signed a bill into law that made nelsonite the first official state rock of Virginia. The initiative for this project was led by students from Piedmont Virginia Community College. Michelle Stanislaus and her classmates from their Historical Geology class and Government class ran the petition for this law starting […]
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