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.
![Boulder conglomerate in the Rockfish Conglomerate at the base of the Neoproterozoic Lynchburg Group](http://geology.blogs.wm.edu/files/2016/08/RCong-1024x1024.jpg)
Boulder conglomerate in the Rockfish Conglomerate at the base of the Neoproterozoic Lynchburg Group in Nelson County. Click here to learn more about the Rockfish Conglomerate.