L Y N C H B U R G M E T A S E D I M E N T S
Moderately dipping beds of metagraywacke (a dirty sandstone) from the Neoproterozoic Lynchburg Group, exposed along the James River, Amherst County
Photomicrograph of mica-rich schist from the Lynchburg Group, eastern Blue Ridge province. Garnet porphyroblasts (g) formed during metamorphism. Field of view 5 mm x 3 mm, plane polarized light.
APPALACHIAN PLATEAU
| VALLEY & RIDGE | BLUE RIDGE | PIEDMONT | COASTAL PLAIN |
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